copystar srdf-2 service manual

SERVICEMANUAL

Published in Apr. ’023C070760

SRDF-2

Safety precautions

This booklet provides safety warnings and precautions for our service personnel to ensure the safety oftheir customers, their machines as well as themselves during maintenance activities. Service personnelare advised to read this booklet carefully to familiarize themselves with the warnings and precautionsdescribed here before engaging in maintenance activities.

indicates that action is required. The specific action required is shown inside the symbol.

General action required.

Remove the power plug from the wall outlet.

Always ground the copier.

Safety warnings and precautions

Various symbols are used to protect our service personnel and customers from physical danger andto prevent damage to their property. These symbols are described below:

DANGER: High risk of serious bodily injury or death may result from insufficient attention to or incorrect

compliance with warning messages using this symbol.

WARNING:Serious bodily injury or death may result from insufficient attention to or incorrect compliancewith warning messages using this symbol.

CAUTION:Bodily injury or damage to property may result from insufficient attention to or incorrectcompliance with warning messages using this symbol.

Symbols

The triangle ( ) symbol indicates a warning including danger and caution. The specific pointof attention is shown inside the symbol.

General warning.

Warning of risk of electric shock.

Warning of high temperature.

indicates a prohibited action. The specific prohibition is shown inside the symbol.

General prohibited action.

Disassembly prohibited.

1. Installation Precautions

WARNING

• Do not use a power supply with a voltage other than that specified. Avoid multiple connections toone outlet: they may cause fire or electric shock. When using an extension cable, always checkthat it is adequate for the rated current. ............................................................................................

• Connect the ground wire to a suitable grounding point. Not grounding the copier may cause fire orelectric shock. Connecting the earth wire to an object not approved for the purpose may causeexplosion or electric shock. Never connect the ground cable to any of the following: gas pipes,lightning rods, ground cables for telephone lines and water pipes or faucets not approved by theproper authorities. .............................................................................................................................

CAUTION:

• Do not place the copier on an infirm or angled surface: the copier may tip over, causing injury. .....

• Do not install the copier in a humid or dusty place. This may cause fire or electric shock. ..............

• Do not install the copier near a radiator, heater, other heat source or near flammable material.This may cause fire. ..........................................................................................................................

• Allow sufficient space around the copier to allow the ventilation grills to keep the machine as coolas possible. Insufficient ventilation may cause heat buildup and poor copying performance. ..........

• Always handle the machine by the correct locations when moving it. ..............................................

• Always use anti-toppling and locking devices on copiers so equipped. Failure to do this maycause the copier to move unexpectedly or topple, leading to injury. .................................................

• Avoid inhaling toner or developer excessively. Protect the eyes. If toner or developer isaccidentally ingested, drink a lot of water to dilute it in the stomach and obtain medical attentionimmediately. If it gets into the eyes, rinse immediately with copious amounts of water and obtainmedical attention. ..............................................................................................................................

• Advice customers that they must always follow the safety warnings and precautions in the copier’sinstruction handbook. ........................................................................................................................

• Check that the power cable covering is free of damage. Check that the power plug is dust-free. Ifit is dirty, clean it to remove the risk of fire or electric shock. ............................................................

• Never attempt to disassemble the optical unit in machines using lasers. Leaking laser light maydamage eyesight. ..............................................................................................................................

• Handle the charger sections with care. They are charged to high potentials and may causeelectric shock if handled improperly. .................................................................................................

CAUTION

• Wear safe clothing. If wearing loose clothing or accessories such as ties, make sure they aresafely secured so they will not be caught in rotating sections...........................................................

• Use utmost caution when working on a powered machine. Keep away from chains and belts. .......

• Handle the fixing section with care to avoid burns as it can be extremely hot. .................................

• Check that the fixing unit thermistor, heat and press rollers are clean. Dirt on them can causeabnormally high temperatures. ..........................................................................................................

• Do not remove the ozone filter, if any, from the copier except for routine replacement. ...................

2. Precautions for Maintenance

WARNING

• Always remove the power plug from the wall outlet before starting machine disassembly. ..............

• Always follow the procedures for maintenance described in the service manual and other relatedbrochures. .........................................................................................................................................

• Under no circumstances attempt to bypass or disable safety features including safetymechanisms and protective circuits. .................................................................................................

• Always use parts having the correct specifications. ..........................................................................

• Always use the thermostat or thermal fuse specified in the service manual or other relatedbrochure when replacing them. Using a piece of wire, for example, could lead to fire or otherserious accident. ...............................................................................................................................

• When the service manual or other serious brochure specifies a distance or gap for installation of apart, always use the correct scale and measure carefully. ...............................................................

• Always check that the copier is correctly connected to an outlet with a ground connection. ............

• Do not pull on the AC power cord or connector wires on high-voltage components when removingthem; always hold the plug itself. ......................................................................................................

• Do not route the power cable where it may be stood on or trapped. If necessary, protect it with acable cover or other appropriate item. ..............................................................................................

• Treat the ends of the wire carefully when installing a new charger wire to avoid electric leaks........

• Remove toner completely from electronic components. ...................................................................

• Run wire harnesses carefully so that wires will not be trapped or damaged. ...................................

• After maintenance, always check that all the parts, screws, connectors and wires that wereremoved, have been refitted correctly. Special attention should be paid to any forgottenconnector, trapped wire and missing screws. ..................................................................................

• Check that all the caution labels that should be present on the machine according to theinstruction handbook are clean and not peeling. Replace with new ones if necessary. ...................

• Handle greases and solvents with care by following the instructions below: ....................................· Use only a small amount of solvent at a time, being careful not to spill. Wipe spills off completely.· Ventilate the room well while using grease or solvents.· Allow applied solvents to evaporate completely before refitting the covers or turning the main

switch on.· Always wash hands afterwards.

• Never dispose of toner or toner bottles in fire. Toner may cause sparks when exposed directly tofire in a furnace, etc. ..........................................................................................................................

• Should smoke be seen coming from the copier, remove the power plug from the wall outletimmediately. ......................................................................................................................................

3. Miscellaneous

WARNING

• Never attempt to heat the drum or expose it to any organic solvents such as alcohol, other thanthe specified refiner; it may generate toxic gas. ................................................................................

1-1-1

3C0

CONTENTS

1-1 Specifications1-1-1 Specifications ........................................................................................................................................ 1-1-11-1-2 Parts names and their functions ............................................................................................................ 1-1-2

(1) Parts names .................................................................................................................................... 1-1-21-1-3 Machine cross section ........................................................................................................................... 1-1-31-1-4 Drive system ......................................................................................................................................... 1-1-4

(1) Drive system .................................................................................................................................... 1-1-4

1-2 Handling Precautions1-2-1 Installation environment ........................................................................................................................ 1-2-1

1-3 Installation1-3-1 Unpacking and installation .................................................................................................................... 1-3-1

(1) Unpacking ........................................................................................................................................ 1-3-1

1-4 Maintenance Mode1-4-1 Maintenance mode ................................................................................................................................ 1-4-1

(1) Executing a maintenance item ........................................................................................................ 1-4-1(2) Maintenance mode item list ............................................................................................................. 1-4-2(3) Contents of maintenance mode items ............................................................................................. 1-4-3

1-5 Troubleshooting1-5-1 Original misfeed detection .................................................................................................................... 1-5-1

(1) Original misfeed indication ............................................................................................................. 1-5-1(2) Original misfeed detection conditions .............................................................................................. 1-5-1(3) Original misfeeds ............................................................................................................................. 1-5-3

1-5-2 Image formation problems .................................................................................................................... 1-5-5(1) There is a regular error between the centers of the original and copy image. ................................ 1-5-6(2) There is a regular error between the leading edges of the original and copy image. ...................... 1-5-6(3) There is a regular error between the trailing edges of the original and copy image. ....................... 1-5-6

1-5-3 Electrical problems ................................................................................................................................ 1-5-7(1) The original feed motor does not operate. ....................................................................................... 1-5-7(2) The original conveying motor does not operate. ............................................................................. 1-5-7(3) The original feed solenoid does not operate. .................................................................................. 1-5-7(4) The switchback feedshift solenoid does not operate. ...................................................................... 1-5-7(5) The eject feedshift solenoid does not operate. ................................................................................ 1-5-7(6) The switchback pressure solenoid does not operate. ..................................................................... 1-5-7(7) The original feed clutch does not operate. ...................................................................................... 1-5-8(8) A message indicating cover open is displayed when the DF is closed correctly. ............................ 1-5-8(9) An original jams when the main switch is turned on. ....................................................................... 1-5-8

1-5-4 Mechanical problems ........................................................................................................................... 1-5-9(1) No primary original feed. ................................................................................................................. 1-5-9(2) No secondary original feed. ............................................................................................................. 1-5-9(3) Originals jam. ................................................................................................................................... 1-5-9

1-6 Assembly and Disassembly1-6-1 Precautions for assembly and disassembly ......................................................................................... 1-6-1

(1) Precautions ...................................................................................................................................... 1-6-1(2) Running a maintenance item ........................................................................................................... 1-6-2

1-6-2 Original feed section ............................................................................................................................. 1-6-3(1) Detaching and refitting the DF forwarding pulley and DF feed pulley ............................................. 1-6-3(2) Detaching and refitting the DF separation pulley ............................................................................. 1-6-4(3) Adjusting the DF magnification ........................................................................................................ 1-6-8(4) Adjusting the DF center line ............................................................................................................ 1-6-9(5) Adjusting the scanning start position ............................................................................................. 1-6-10

(5-1) Adjusting the DF leading edge registration........................................................................... 1-6-10(5-2) Adjusting the DF trailing edge registration............................................................................ 1-6-11

(6) Adjusting the margins for scanning the original from the DF ......................................................... 1-6-12

1-1-2

3C0

2-1 Mechanical construction2-1-1 Original feed section ............................................................................................................................. 2-1-1

(1) Original feed timing .......................................................................................................................... 2-1-22-1-2 Original switchback section ................................................................................................................... 2-1-3

(1) Operation of original switchback ...................................................................................................... 2-1-42-1-3 Original conveying section .................................................................................................................... 2-1-5

(1) Original switchback/conveying timing .............................................................................................. 2-1-6

2-2 Electrical Parts Layout2-2-1 Electrical parts layout ............................................................................................................................ 2-2-1

(1) PCBs ............................................................................................................................................... 2-2-1(2) Switches and sensors ...................................................................................................................... 2-2-2(3) Motors .............................................................................................................................................. 2-2-3(4) Clutches and solenoids ................................................................................................................... 2-2-4

2-3 Operation of the PCBs2-3-1 DF driver PCB ....................................................................................................................................... 2-3-1

2-4 AppendixesTiming chart No. 1 ........................................................................................................................................... 2-4-1Timing chart No. 2 ........................................................................................................................................... 2-4-2Timing chart No. 3 ........................................................................................................................................... 2-4-3Maintenance parts list ...................................................................................................................................... 2-4-4Periodic maintenance procedures ................................................................................................................... 2-4-5Connection diagram ........................................................................................................................................ 2-4-7Wiring diagram ................................................................................................................................................ 2-4-8

3C0

1-1-1

1-1-1 Specifications

Type ............................................... Machine mounted type duplex sheet-through document feederOriginal feed system ...................... Automatic feedOriginals ......................................... SheetsOriginal weights .............................. Single-sided original mode: 35 – 160 g/m2

Double-sided original mode: 50 – 120 g/m2

Original paper................................. Plain paper, thermal paper, art paper and colored paperOriginal sizes .................................. A3 – A5R, folio/11" × 17" – 51/2" × 81/2"No. of originals ............................... Up to 70 sheets (A3, B4, folio, 11" × 17", 81/2" × 14")

Up to 100 sheets (up to A4/11" × 81/2")Up to 30 sheets in the auto selection mode

Original processing speed.............. Original replacement: Max. 62 sheets/min (A4/11" × 81/2")Original scanning: 167 mm/s (100%)

Power source ................................. Electrically connected to the copier (5 V DC and 24 V DC)Dimensions .................................... 553 (W) × 478 (D) × 137 (H) mm

213/4" (W) × 1813/16" (D) × 53/8" (H)Weight ............................................ Approx. 10.5 kg/23.1 lbs

3C0

1-1-2

1-1-2 Parts names and their functions

(1) Parts names

Figure 1-1-1

1 Original table2 Original insert guides3 DF original reversing cover4 Original set indicator5 Original eject cover6 DF opening/closing lever7 Ejection extension

3C0

1-1-3

1-1-3 Machine cross section

1 Original feed section2 Original switchback section3 Original conveying section

Figure 1-1-2 Machine cross section

Paper and original path

3C0

1-1-4

6

9 5

4 3

!@

0

*

%&

$287

1

^

#

As viewed from machine rear

As viewed from machine front

4!

7

8

65

91

0 3

2

Figure 1-1-3 Drive system (inside rear of machine)

Figure 1-1-4 Drive system (inside front of machine)

1 Original feed motor pulley2 Pulley 35/22/223 Idle gear 264 Original feed clutch gear5 DF original feed pulley 186 DF forwarding pulley 187 Tension pulley8 Original feed drive belt9 DF forwarding belt

0 DF registration pulley 28/18! Idle gear 15@ Idle gear 20# Switch back gear 18$ DF registration drive belt% Gear 22/35^ Original conveying motor pulley& Gear 28* Original conveying drive belt 1

1 Lower original conveying pulley 25/182 Gear 18/253 Eject gear 184 Middle original conveying pulley 185 Upper original conveying pulley 186 JAM release gear 24

7 Joint gear 148 JAM release gear 149 Tension pulley0 Eject drive belt! Conveying drive belt 2

1-1-4 Drive system

(1) Drive system

3C0

1-2-1

1-2-1 Installation environment

1. Installation location (Be based on the copier establishment place.)• Avoid direct sunlight or bright lighting. Ensure that the photoconductor will not be exposed to direct sunlight or other

strong light when removing paper jams.• Avoid extremes of temperature and humidity, abrupt ambient temperature changes, and hot or cold air directed onto

the machine.• Avoid dust and vibration.• Choose a surface capable of supporting the weight of the machine.• Place the machine on a level surface (maximum allowance inclination: 1° ).• Avoid air-borne substances that may adversely affect the machine or degrade the photoconductor, such as

mercury, acidic of alkaline vapors, inorganic gasses, NOx, SOx gases and chlorine-based organic solvents.• Select a room with good ventilation.

Figure 1-2-1 Installation dimensions

a: 553 mm/213/4"b: 478 mm/1813/16"c: 137 mm/53/8"

ab

c

1-3-1

3C0

1-3-1 Unpacking and installation

(1) Unpacking

Figure 1-3-1 Unpacking

1 Document feeder2 Installation guide3 Bottom pad4 Outer case5 Upper pad6 Eject pad7 Plastic sheet (1300 × 1300)

8 Plastic bag9 Plastic bag (200 × 200)0 Bar code labels! Front A pad@ Front B pad# Rear A pad$ Rear B pad

3C0

1-4-1

1-4-1 Maintenance mode

The copier is equipped with a maintenance function which can be used to maintain and service the machine.

(1) Executing a maintenance item

Enter “10871087” using the numeric keys.

Enter “001” using the cursor up/down keys or numeric keys

and press the start key.

Enter the maintenance item number using the cursor up/down keys

or numeric keys.

The selected maintenance item is run.

Press the stop/clear key.

Press the start key.

Start

End

Maintenance mode is entered.

The maintenance item is selected.

Maintenance mode is exited.

Repeat the same maintenance item?

Run another maintenance item?

No

No

Yes

Yes

3C0

1-4-2

DF U068 Adjusting the scanning position for originals from the DF 0

U070 Adjusting the DF magnification 0

U071 Adjusting the DF scanning timing• DF leading edge registration 8 (black and

white copiers)0 (color copiers)

• DF trailing edge registration 0

U072 Adjusting the DF center line 0

U074 Adjusting the DF input light luminosity (black and white copiers only) 1

U203 Operating DF separately —

U243 Checking the operation of the DF motors, solenoids and clutch —

U244 Checking the DF switches —

U263 Setting the paper ejection when copying from the DF (color copiers only) TRAY (NORMAL)

U404 Adjusting margins for scanning an original from the DF —

* Initial setting for executing maintenance item U020

SectionItem

Maintenance item contentsInitial

No. setting*

(2) Maintenance mode item list

1-4-3

3C0

(3) Contents of maintenance mode items

MaintenanceDescriptionitem No.

U068 Adjusting the scanning position for originals from the DF

DescriptionAdjusts the position for scanning originals from the DF.

PurposeUsed when there is a regular error between the leading edges of the original and the copy image.

MethodPress the start key. The screen for executing is displayed.

Setting1. Change the setting using the cursor up/down keys (in the case of black and white copiers).

Change the setting using the cursor left/right keys (in the case of color copiers).

Description Setting range Initial setting Change in value per step

Scanning position –2 to +3 0 0.254 mm (in the case ofblack and white copiers)

–9 to +9 0 0.169 mm (in the case ofcolor copiers)

Increasing the setting moves the image backward, and decreasing it moves the image forward.2. Press the start key. The value is set.

CompletionPress the stop/clear key. The screen for selecting a maintenance item No. is displayed.

U070 Adjusting the DF magnification

AdjustmentSee pages 1-6-8.

U071 Adjusting the DF scanning timing

AdjustmentSee page 1-6-10.

U072 Adjusting the DF center line


U074 Adjusting the DF input light luminosity (black and white copiers only)

DescriptionAdjusts the luminosity of the exposure lamp for scanning originals from the DF.

PurposeUsed if the exposure amount differs significantly between when scanning an original on the contact glass andwhen scanning an original from the DF (installed to the black and white copiers).

MethodPress the start key. The screen for executing is displayed.

Setting1. Change the setting using the cursor up/down keys.

Description Setting range Initial setting

DF input light luminosity 0 to 8 1

Increasing the setting makes the luminosity higher, and decreasing it makes the luminosity lower.2. Press the start key. The value is set.

Interrupt copy modeWhile this maintenance item is being performed, copying from an original can be made in interrupt copy mode.

CompletionPress the stop/clear key at the screen for selecting an item. The screen for selecting a maintenance item No. isdisplayed.


3C0

1-4-4

U203 Operating DF separately

DescriptionSimulates the original conveying operation separately in the DF.

PurposeTo check the DF.

Method (in the case of black and white copiers)1. Press the start key. The screen for selecting an item is displayed.2. Place an original in the DF if running this simulation with paper.3. Select the item to be operated. The selected item is displayed in reverse.4. Select the magnification using the cursor up/down keys.

Display Operation Setting range Initial setting

ADF With paper, single-sided original 50 to 200 (%) 100RADF With paper, double-sided original 50 to 200 (%) 100ADF (NON-P) Without paper, single-sided original 50 to 200 (%) 100

(continuous operation)RADF (NON-P) Without paper, double-sided original 50 to 200 (%) 100

(continuous operation)

5. Press the start key. The operation starts for the selected magnification.6. To stop continuous operation, press the stop/clear key.

Method (in the case of color copiers)1. Press the start key. The screen for selecting an item is displayed.2. Place an original in the DF if running this simulation with paper.3. Select the item to be operated using the cursor up/down keys. The selected item is displayed in reverse.

Display Operation

ADF With paper, single-sided originalRADF With paper, double-sided originalADF (NON-P) Without paper, single-sided original (continuous operation)RADF (NON-P) Without paper, double-sided original (continuous operation)

4. Press the start key. The operation starts.5. To stop continuous operation, press the stop/clear key.

CompletionPress the stop/clear key when the operation stops. The screen for selecting a maintenance item No. isdisplayed.

3C0

1-4-5


U243 Checking the operation of the DF motors, solenoids and clutch

DescriptionTurns the motors, solenoids or clutch in the DF on.

PurposeTo check the operation of the DF motors, solenoids and clutch .

Method1. Press the start key. The screen for selecting an item is displayed.2. Select the item to be operated (in the case of black and white copiers).

Select the item to be operated using the cursor up/down keys (in the case of color copiers).The selected item is displayed in reverse and the operation starts.

Display Motors, solenoids and clutch Operation In operation

F MOT Original feed motor (OFM) In operationC MOT Original paper conveying motor (OCM) In operationFD CL Original feed clutch (OFCL) On for 0.5 sEJ SL Eject feedshift solenoid (EFSSOL) On for 0.5 sRJ SL Switchback feedshift solenoid (SBFSSOL) On for 0.5 sFD SL Original feed solenoid (OFSOL) On and offRP SL Switchback pressure solenoid (SBPSOL) On and off

3. To turn each motor off, press the stop/clear key.

CompletionPress the stop/clear key when operation stops. The screen for selecting a maintenance item No. is displayed.

U244 Checking the DF switches

DescriptionDisplays the status of the respective switches in the DF.

PurposeTo check if respective switches in the DF operate correctly.

Start1. Press the start key. The screen for selecting an item is displayed.2. Select the type of switches (SW or VR) to be checked (in the case of black and white copiers).

Select the type of switches (SW or VR) to be checked using the cursor up/down keys (in the case of colorcopiers).The screen for executing each item is displayed.

Display Type of switches

SW On/off switchesVR Volume switch

Method for the on/off switches (SW)1. Turn the respective switches on and off manually to check the status.

If the on-status of a switch is detected, the corresponding switch is displayed in reverse.

Display Switches

SET SW Original set switch (OSSW)FEED SW Original feed switch (OFSW)REV SW Original switchback switch (OSBSW)TMG SW DF timing switch (DFTSW)SZ A SW Original size length switch (OSLSW)

2. To return to the screen for selecting an item, press the stop/clear key.


3C0

1-4-6

U244 Method for the volume switch (VR)1. Move the original insertion guides to check the detection status of the original size width switch.

The detected original width is displayed as a numerical value with the decimals omitted.

Numerical value

A5R

B5R

Folio/A4R

B4/B5

CF (11" × 15")

A3/A4

Original width to be detected

51/2" × 81/2"

81/2" × 14"/81/2" × 11"

11" × 17"/11" × 15"/11" × 81/2"

000

49.664

50.176

61.440

61.952

103.936

104.448

139.264

139.776

146.432

146.994

197.120

197.632

197.720

223.232

256

····

····

····

····

····

····

····

····

····

····

····

····

····

····

····

For example, if any value between 105 and 139 is displayed when the original insertion guides are adjustedfor A4R paper, it indicates that the original width is detected correctly.

2. To return to the screen for selecting an item, press the stop/clear key.

CompletionPress the stop/clear key at the screen for selecting an item. The screen for selecting a maintenance item No. isdisplayed.

3C0

1-4-7


U263 Setting the paper ejection when copying from the DF (color copiers only)

DescriptionSets whether the copies will be ejected in the same or opposite order as the originals when copying from theDF.

PurposeSet according to the preference of the user when installed to the color copiers.

MethodPress the start key. The screen for selecting an item is displayed.

Setting1. Use the cursor up/down keys to select the ejection order.

Display Setting

TRAY(NORMAL) Opposite order ejection (during side ejection)TRAY(MEMORY) Same order ejection using memory copy (during side ejection)ALL(MEMORY) Same order ejection using memory copy

Initial setting: TRAY(NORMAL)2. Press the start key. The setting is set, and the screen for selecting a maintenance item No. is displayed.

CompletionTo exit this maintenance item without changing the current setting, press the stop/clear key. The screen forselecting a maintenance item No. is displayed.

U404 Adjusting margins for scanning an original from the DF


3C0

1-5-1

1-5-1 Original misfeed detection

(1) Original misfeed indicationWhen an original jams, the machine immediately stops operation and a message is shown on the copier operation panel. TheDF original set indicator also flashes red.To remove the jammed original, open the DF or the DF original reversing cover.To reset the original misfeed detection, open and close the DF or DF original reversing cover to turn DF safety switch 1 or2 off and on.

• Misfeed in DFJam code 70Jam code 71Jam code 72Jam code 73Jam code 74Jam code 75Jam code 76

(2) Original misfeed detection conditions

��OFSW

OSBSW

DFTSW

Figure 1-5-1

In the case of color copiersIn the case of black and

white copiers

3C0

1-5-2

Section Jam code Description Conditions

Originalfeed sec-tion

Originalconveyingsection

Originalfeed sec-tion

Originalswitchbacksection

70

71

72

73

74

75

76

No original feed

An original jam in theoriginal feed section 1

An original jam in theoriginal feed section 2

An original jam in theoriginal conveying sec-tion

An original jam remainingafter retries

An original jam in theswitchback section 1

An original jam in theswitchback section 2

In the primary original feed for the second original or after inthe 1 sided or 2 sided original mode, even if retry operation isperformed two times, primary original feed is not performed.

In the secondary original feed in the 1 sided original mode,even if the specified number of pulses of the original feedmotor (OFM) passes after the original switchback switch(OSBSW) turns on, the ON status of the DF timing switch(DFTSW) is not detected.

In the secondary original feed in the 1 sided original mode,even if the specified number of pulses of the originalconveying motor (OCM) passes after the DF timing switch(DFTSW) turns on, the OFF status of the original feed switch(OFSW) or the original switchback switch (OSBSW) is notdetected.In the original switchback in the 2 sided original mode, evenif the specified number of pulses of the original feed motor(OFM) passes after the original feed switch (OFSW) turnson, the OFF status of the original feed switch (OFSW) is notdetected and the ON status of the original switchback switch(OSBSW) is not detected.

In the secondary original feed in the 1 sided or 2 sided origi-nal mode, even if the specified number of pulses of the origi-nal conveying motor (OCM) passes after the DF timingswitch (DFTSW) turns on, the OFF status of the DF timingswitch (DFTSW) is not detected.In the secondary original feed in the 1 sided or 2 sided origi-nal mode, before the specified number of pulses of the origi-nal conveying motor (OCM) passes after the DF timingswitch (DFTSW) turns on, the OFF status of the DF timingswitch (DFTSW) is detected.

In the secondary original feed in the 1 sided or 2 sided origi-nal mode, even if retry operation is performed five times,secondary original feed is not performed.

In the original switchback in the 2 sided original mode, evenif the specified number of pulses of the original feed motor(OFM) passes after the original switchback switch (OSBSW)turns on, the OFF status of the original switchback switch(OSBSW) is not detected.In the secondary original feed in the 2 sided original mode,even if the specified number of pulses of the original feedmotor (OFM) passes after the original conveying motor(OCM) turns on, the ON status of the DF timing switch(DFTSW) is not detected.In the original switchback in the 2 sided original mode, evenif the specified number of pulses of the original feed motor(OFM) passes after the original feed switch (OFSW) turnson, the OFF status of the original feed switch (OFSW) is notdetected and the OFF status of the original switchbackswitch (OSBSW) is detected.

While the back side of an original is being scanned in the 2sided original mode, even if the specified number of pulsesof the original conveying motor (OCM) passes after the DFtiming switch (DFTSW) turns on, the ON status of the originalswitchback switch (OSBSW) is not detected.

3C0

1-5-3

Problem Causes/check procedures Corrective measures

(1)An original jamswhen the mainswitch is turned on.

(2)An original jamsduring continuouscopying of multipleoriginals.

(3)An original jams isindicated duringcopying (no originalfeed).Jam code 70

(4)An original jamsduring copying (ajam in the originalfeed/conveying sec-tion).Jam code 71/72/73

A piece of paper torn froman original is caughtaround the original feedswitch.

Defective original feedswitch.

A piece of paper torn froman original is caughtaround the originalswitchback switch.

Defective originalswitchback switch.

A piece of paper torn froman original is caughtaround the DF timingswitch.

Defective DF timingswitch.


Check if the original feedmotor or the original con-veying motor malfunction.


Check if the original feedmotor malfunctions.



Remove any found.

Run maintenance item U244 and turn the original feed switch onand off manually. Replace the original feed switch if indication ofthe corresponding switch on the touch panel is not displayed inreverse.

Remove any found.

Run maintenance item U244 and turn the original switchbackswitch on and off manually. Replace the original switchbackswitch if indication of the corresponding switch on the touchpanel is not displayed in reverse.

Remove any found.

Run maintenance item U244 and turn the DF timing switch onand off manually. Replace the DF timing switch if indication ofthe corresponding switch on the touch panel is not displayed inreverse.


Run maintenance item U243 and select the original feed motor/original conveying motor on the touch panel to be turned on andoff. Check the status and remedy if necessary.


Run maintenance item U243 and select the original feed motoron the touch panel to be turned on and off. Check the status andremedy if necessary.



(3) Original misfeeds

3C0

1-5-4


(4)An original jamsduring copying (ajam in the originalfeed/conveying sec-tion).Jam code 71/72/73

(5)An original jamsduring copying (ajam in the originalswitchback section).Jam code 75/76

(6)Original jams fre-quently.



Check if the DF originalfeed pulley or the DFseparation pulley is de-formed.

Check if the DF registra-tion roller or the DF regis-tration pulley is deformed.

Check if the lower originalconveying roller or thefront scanning pulley isdeformed.

Check if the original con-veying motor malfunctions.




Check if the original con-veying motor malfunctions.

An original outside thespecifications is used.

The DF forwarding pulleys,DF original feed pulley orDF switchback pulley isdirty with paper powder.

The DF original feed pulleyand the DF separation pul-ley do not contact cor-rectly.



Check visually and replace the deformed pulley.



Run maintenance item U243 and select the original conveyingmotor on the touch panel to be turned on and off. Check the sta-tus and remedy if necessary.




Run maintenance item U243 and select the original conveyingmotor on the touch panel to be turned on and off. Check the sta-tus and remedy if necessary.

Use only originals conforming to the specifications.

Clean with isopropyl alcohol.

Check and remedy.

3C0

1-5-5

1-5-2 Image formation problems

(1) There is a regular errorbetween the centers ofthe original and copyimage.

See page 1-5-6

(2) There is a regular errorbetween the leadingedges of the originaland copy image.

See page 1-5-6

(3) There is a regular errorbetween the trailingedges of the originaland copy image.

See page 1-5-6

3C0

1-5-6

(2) There is a regularerror between theleading edges ofthe original andcopy image.

Causes1. Misadjusted DF original scanning start

position.

Check procedures/corrective measuresReadjust the DF original scanning start position (see page 1-6-10).

Causes1. Misadjusted DF original scanning start

position.

(1) There is a regularerror between thecenters of theoriginal and copyimage.

Causes1. Misadjusted DF center line.

Check procedures/corrective measuresReadjust the DF center line (see page 1-6-9).

Causes1. Misadjusted DF center line.

(3) There is a regularerror between thetrailing edges of theoriginal and copyimage.

Causes1. Misadjusted DF original scanning end

position.

Check procedures/corrective measuresReadjust the DF original scanning end position (see page 1-6-11).

Causes1. Misadjusted DF original scanning end

position.

3C0

1-5-7

Problem Causes Check procedures/corrective measures

(1)The original feedmotor does notoperate.

(2)The original convey-ing motor does notoperate.

(3)The original feedsolenoid does notoperate.

(4)The switchbackfeedshift solenoiddoes not operate.

(5)The eject feedshiftsolenoid does notoperate.

(6)The switchbackpressure solenoiddoes not operate.

Defective original feed mo-tor coil.

The connector terminals ofthe original feed motormake poor contact.

Defective DF driver PCB.

Defective original convey-ing motor coil.

The connector terminals ofthe original conveying mo-tor make poor contact.


Defective original feed so-lenoid coil.

The connector terminals ofthe original feed solenoidmake poor contact.


Defective switchbackfeedshift solenoid coil.

The connector terminals ofthe switchback feedshiftsolenoid make poor con-tact.


Defective eject feedshiftsolenoid coil.

The connector terminals ofthe eject feedshift solenoidmake poor contact.


Defective switchback pres-sure solenoid coil.

The connector terminals ofthe switchback pressuresolenoid make poor con-tact.


Check for continuity across the coil. If none, replace the originalfeed motor.

Reinsert the connector. Also check for continuity within the con-nector cable. If none, remedy or replace the cable.

Check for continuity across the original feed motor coil and con-nector terminals. If good, replace the DF driver PCB.

Check for continuity across the coil. If none, replace the originalconveying motor.


Check for continuity across the original conveying motor coil andconnector terminals. If good, replace the DF driver PCB.

Check for continuity across the coil. If none, replace the originalfeed solenoid.


Check if the original feed solenoid operates when CN5-B13 orCN5-B12 on the DF driver PCB is low. If it does, replace the DFdriver PCB.

Check for continuity across the coil. If none, replace theswitchback feedshift solenoid.


Check if the switchback feedshift solenoid operates when CN5-B8 on the DF driver PCB is low. If it does, replace the DF driverPCB.

Check for continuity across the coil. If none, replace the ejectfeedshift solenoid.


Check if the eject feedshift solenoid operates when CN5-A7 onthe DF driver PCB is low. If it does, replace the DF driver PCB.

Check for continuity across the coil. If none, replace theswitchback pressure solenoid.


Check if the switchback pressure solenoid operates when CN5-A2 or CN5-A3 on the DF driver PCB is low. If it does, replace theDF driver PCB.

1-5-3 Electrical problems

3C0

1-5-8

Problem Causes Check procedures/corrective measures

(7)The original feedclutch does notoperate.

(8)A message indicat-ing cover open isdisplayed when theDF is closed cor-rectly.

(9)An original jamswhen the mainswitch is turned on.

Defective original feedclutch coil.

The connector terminals ofthe original feed clutchmake poor contact.


The connector terminals ofDF safety switch 1 makepoor contact.

Defective DF safety switch1.

A piece of paper torn froman original is caughtaround the original feedswitch.


A piece of paper torn froman original is caughtaround the originalswitchback switch.


A piece of paper torn froman original is caughtaround the DF timingswitch.


The surface facing the DFtiming switch is soiled.

Check for continuity across the coil. If none, replace the originalfeed clutch.


Check if the original feed clutch operates when CN5-A5 on theDF driver PCB is low. If it does, replace the DF driver PCB.


Check for continuity across the contacts of the switch. If nonewhen the switch is on, replace DF safety switch 1.

Remove any found.


Remove any found.


Remove any found.


Check if the projection at the center of the conveying cover thatis facing the DF timing switch is soiled with paper powder. If so,clean it.

3C0

1-5-9


(1)No primary originalfeed.

(2)No secondary originalfeed.

(3)Originals jam.

The surfaces of the DF forwarding pulleys,DF original feed pulley or DF separation pul-ley are dirty with paper powder.

Check if the DF original feed pulley or theDF forwarding pulley is deformed.

Electrical problem with the following clutchor solenoid:• Original feed solenoid• Original feed clutch

The DF registration pulley and the DF regis-tration roller do not contact each other cor-rectly.

Originals outside the specifications are used.

The surfaces of the DF forwarding pulleys,DF original feed pulley or DF separation pul-ley are dirty with paper powder.

The DF original feed pulley and the DFseparation pulley do not contact each othercorrectly.

Check and clean them with isopropyl alco-hol if they are dirty.

If so, replace (see page 1-6-3).

See pages 1-5-7 and 8.

Check visually and remedy if necessary.

Use only originals conforming to the speci-fications.

Check and clean them with isopropyl alco-hol if they are dirty.

Check visually and remedy if necessary.

1-5-4 Mechanical problems

3C0

1-6-1

1-6-1 Precautions for assembly and disassembly

(1) Precautions• Be sure to turn the main switch off and disconnect the power plug before starting disassembly.• When handling PCBs, do not touch connectors with bare hands or damage the board.• Do not touch any PCB containing ICs with bare hands or any object prone to static charge.• Use the following testers when measuring voltages:

Hioki 3200Sanwa MD-180CSanwa YX-360TRBeckman TECH300Beckman DM45Beckman 330*Beckman 3030*Beckman DM850*Fluke 8060A*Arlec DMM1050Arlec YF1030C* Capable of measuring RMS values.

3C0

1-6-2

(2) Running a maintenance item


Enter “001” using the cursor up/down keys or numeric keys

and press the start key.

Enter the maintenance item number using the cursor up/down keys

or numeric keys.

The selected maintenance item is run.

Press the stop/clear key.


Start

End

Maintenance mode is entered.

The maintenance item is selected.

Maintenance mode is exited.

Repeat the same maintenance item?

Run another maintenance item?

No

No

Yes

Yes

3C0

1-6-3

1-6-2 Original feed section

(1) Detaching and refitting the DF forwarding pulley and DF feed pulleyFollow the procedure below to clean or replace the DF forwarding pulley or DF feed pulley.

Procedure1. Open the DF original reversing cover.2. Remove the two screws holding the upper

original feed cover and then the cover.

• Detaching the DF forwarding pulley3. Remove the stop ring at the machine front

and then remove the bushing.4. Pull out the forwarding shaft toward the rear

side of the machine and slide the bushing.5. Remove the DF forwarding pulley from the

forwarding shaft.

• Detaching the DF feed pulley6. Remove the stop ring at the machine front

and then remove the bushing.7. Remove the stop ring at the machine rear.8. Pull out the front original feed shaft toward

the rear side of the machine and slide thebushing.

9. Remove the DF feed pulley from the frontoriginal feed shaft.

10. Clean or replace the DF forwarding pulleyand the DF feed pulley.

11. Refit all the removed parts.* When refitting the DF forwarding pulley and

DF feed pulley, ensure that the notches in thepulleys are aligned with the projections on theone-way clutches.

Figure 1-6-1

Front originalfeed shaft

Bushing

Bushing

DF feed pulley

forwardingshaft

DF forwarding belt

DF forwarding pulley

bushing

bushing

Stop ring

Stop ring

One-way clutch

One-way clutch

Stop ring

Machinefront

Machinerear

3C0

1-6-4

(2) Detaching and refitting the DF separation pulleyFollow the procedure below to clean or replace the DF separation pulley.

Procedure1. Open the DF original reversing cover.2. Remove the DF front and rear covers.3. Remove the two screws holding the upper

original feed cover and then the cover.

4. Remove the four connectors and thenremove the wires from the two wire clamps.

Upper originalfeed cover

Screws

Figure 1-6-2

Wire clamps

Connectors

Connectors

Figure 1-6-3

3C0

1-6-5

5. Remove the two screws holding the solenoidbracket and then the bracket.

6. Remove the screw and then remove the feedguide pin.

7. Remove the E-ring and then the original feedclutch.

8. Remove the E-ring and then remove thebushing.

Screws

Screw Feed guide pin

Solenoid bracket

Figure 1-6-4

E-ringE-ring

Original feed clutch

Bushing

Figure 1-6-5

3C0

1-6-6

9. Open the registration guide and remove theguide.

10. Remove the two screws holding the upperfeed guide plate and then the plate.

11. Remove the two screws holding the originalfeed lift and then the lift.

12. Remove the screw holding the separationguide and then the guide.

Screw

ScrewRegistration guide

Upper original feedguide plate

Figure 1-6-6

Screw

Separation guideScrew

Screw

Original feed lift

Figure 1-6-7

3C0

1-6-7

13. Remove the separation shaft from theseparation pulley arms.

14. Remove the stopper and torque limitter fromthe separation shaft and then remove the DFseparation pulley.

15. Clean or replace the DF separation pulley.16. Refit all the removed parts.

DF separationpulley

Separation pulleyarms

StopperSeparation shaft

Torque limitter

Figure 1-6-8

3C0

1-6-8

(3) Adjusting the DF magnificationAdjust magnification in the auxiliary scanning direction if magnification is incorrect when the DF is used.

CautionBefore making the following adjustment, ensure that the above adjustments have been made in maintenance mode.

Procedure

Figure 1-6-9

U053(See the service manual

of the copier.)

U065(main scanningdirection)

(See the service manual of the copier.)

U065(auxiliary scanningdirection)

(See the service manual of the copier.)

U070

Is the image correct?

Yes

No

Start

Enter maintenance mode.



Press the interrupt key.

Place an original on the DF and make a test copy.

For copy example 1, increase the value using the cursor up key(cursor right key).For copy example 2, decrease the value using the cursor down key(cursor left key).* ( ) indicates the case of color copiers.


The new setting is stored.

Press the stop/clear key to exit maintenance mode.

Setting range: –25 – +25 (in the case of black and white copiers) –2.5 – +2.5 (in the case of color copiers)Initial setting: 0Changing the value by 1 changes the magnification by 0.1%.Increasing the value makes the image longer, and decreasing it make the image shorter.

End

Auxiliary scanning direction

Original

Main scanning direction

Copy example 1

Copy example 2

3C0

1-6-9

(4) Adjusting the DF center linePerform the following adjustment if there is a regular error between the centers of the original and the copy image whenthe DF is used.


Procedure

Figure 1-6-10


of the copier.)


of the copier.)U072

Yes

No

Start




Select the item to be adjusted.





The new settingis stored.

Setting range: –39 – +39 (in the case of black and white copiers) –20 – +20 (in the case of color copiers)Initial setting: 0Changing the value by 1 moves the center line by 0.17 mm.


End


Original Copy example 1

Copy example 2

Reference

3C0

1-6-10

(5) Adjusting the scanning start positionPerform the following adjustment if there is a regular error between the leading or trailing edges of the original and thecopy image.


(5-1) Adjusting the DF leading edge registration

Procedure

Figure 1-6-11


of the copier.)


of the copier.)U071

Original Copy example 1

Copy example 2

Yes

No

Start




Select “LEAD EDGE ADJ”.






Setting range: –32 – +32Initial setting: 8 (in the case of black and white copiers)Initial setting: 0 (in the case of color copiers)Changing the value by 1 moves the leading edge by 0.17 mm.Increasing backward and decreasing it moves the image forward.


End


3C0

1-6-11

(5-2) Adjusting the DF trailing edge registration

Procedure

Figure 1-6-12

Original Copyexample 1

Copyexample 2

Yes

No

Start




Select “TRAIL EDGE ADJ”.






Setting range: –32 – +32initial setting: 0Changing the value by 1 moves the trailing edge by 0.17 mm.Increasing backward and decreasing it moves the image forward.


End


3C0

1-6-12

(6) Adjusting the margins for scanning the original from the DFPerform the following adjustment if margins are not correct.


Procedure

Figure 1-6-13

Change the setting.Increasing the value using the cursor up key (cursor right key) makes the margin wider.Decreasing the value using the cursor down key (cursor left key) makes the margin narrower.* ( ) indicates the case of color copiers.

Yes

No

Start




Place an original on the DFand make a test copy.


The new setting is stored.

Setting range (initial setting)DF left margin: 0 – +10.0 (2.0 [2.0])DF leading edge margin: 0 – +10.0 (3.0 [2.0])DF right margin: 0 – +10.0 (2.0 [2.0])DF trailing edge margin: 0 – +10.0 (2.0 [2.0])

Changing the value by one moves the margin by 0.5 mm [0.1 mm] for all.* [ ] indicates the case of color copiers.

Select the item to be adjusted.

Are the margins correct?


A MARGIN (LEFT/mm): DF left marginB MARGIN (TOP/mm): DF leading edge marginC MARGIN (RIGHT/mm): DF right marginD MARGIN (BOTTOM/mm): DF trailing edge margin* ( ) indicates the case of color copiers.

Yes

No

Proceed to another mode?

End



of the copier.)


of the copier.)U404

DF leading edge margin (3 ± 1.5 mm [2 ± 1.0 mm])

DF left margin(2 ± 1.0 mm)

DF right margin(2 ± 1.0 mm)

Ejection direction(reference)

* [ ] indicates the case ofcolor copiers.

DF trailing edge margin(2 ± 1.0 mm)

3C0

2-1-1

2-1-1 Original feed section

The original feed section consists of the parts shown in Figure. An original placed on the original table is conveyed to theoriginal switchback section or the original conveying section.

Figure 2-1-1 Original feed section

OFSW

OFSOL

OFCL

OFM

DFDPCB

CN

6-B

5

CN

5-B

12 -

C

N5-

B13

CN

5-A

5

CN

6-B

2

CN

5-B

1 -

CN

5-B

6

OSSW

Figure 2-1-2 Original feed section block diagram

1 Original table2 DF forwarding pulleys3 DF original feed pulley4 DF separation pulley5 DF original feed upper guide6 DF original feed lower guide7 Original stopper8 DF registration pulley

9 DF registration roller0 DF registration guide! Original set switch (OSSW)@ Original feed switch (OFSW)# Original feed clutch (OFCL)$ Original feed solenoid (OFSOL)% Original feed lift

3C0

2-1-2

(1) Original feed timing

OFSOL A

OFSOL R

OFCL

OFSW

OSBSW

OCM

DFTSW

OffOFM

10 ms 150 ms

200 ms150 ms

298 P* 20 ms

Fwd. rotation

Rev. rotation

*Burst of OFM pulses

Timing chart 2-1-1 Original feed (in simple-sided original mode)

a The OFSOL A signal goes high for 10 ms and then turns off for 200 ms. It goes high again for 150 ms and the originalfeed solenoid (OFSOL) turns on, raising the original feed lift to convey the original forward.

b 298 OFM pulses after the leading edge of the original turns the original feed switch (OFSW) on, the original feedclutch (OFCL) and original feed motor (OFM) turn off. 20 ms later, the rotation of the motor switches to the reversedirection and secondary original feed is performed by rotation of the DF registration roller.

c Simultaneously as the trailing edge of the original turns the original feed switch (OFSW) off, the original feed motor(OFM) turns off.

d After ejection of the original, as the original conveying motor (OCM) turns off, the OFSOL R signal turns on for 150ms and the original feed solenoid (OFSOL) turns off.

3C0

2-1-3

2-1-2 Original switchback section

The original switchback section consists of the parts shown in Figure. The original from the original feed section ororiginal conveying section is reversed and conveyed to the original conveying section.

Figure 2-1-3 Original switchback section

1 Switchback pulley2 Switchback roller3 Switchback feedshift guide4 Left switchback guide5 Switchback guide6 Original switchback switch (OSBSW)7 Switchback feedshift solenoid (SBFSSOL)8 Switchback pressure solenoid (SBPSOL)

DFDPCB

CN

6-A

5

CN

5-B

8

CN

5-A

2 -

CN

5-A

3

OSBSW

SBPSOL SBFSSOL

Figure 2-1-4 Original switchback section block diagram

3C0

2-1-4

(1) Operation of original switchbackIn the double-sided original mode, the switchback feedshift solenoid (SBFSSOL) turns on, changing the position of theswitchback feedshift guide. This switches the path of the original to the original switchback section to where the originalis fed.The switchback feedshift solenoid (SBFSSOL) then turns off, allowing the switchback feedshift guide to return to theoriginal position by which the path of the original is switched back to the original conveying section. The now reversedoriginal is carried to the original conveying section and the switchback pressure solenoid (SBPSOL) turns off, releasingthe switchback pulley to prevent an original jam in the original switchback section.

Switchbackpulley

Switchback feedshift guide

Figure 2-1-5

3C0

2-1-5

2-1-3 Original conveying section

The original conveying section consists of the parts shown in Figure. Synchronized with the copier scanning operation,the original is conveyed across the slit glass and ejected when scanning is complete.In the double-sided original mode, the eject feedshift solenoid (EFSSOL) turns on, moving the eject feedshift guide toswitch the path of the original. When the scanning of the first face (reverse face) of the original is complete, the original isconveyed to the original switchback section again.

Figure 2-1-6 Original conveying section

1 Upper original conveying pulley2 Upper original conveying roller3 Lower original conveying roller4 Front scanning pulley5 Middle original conveying roller6 Middle original conveying pulley7 Eject pulley8 Eject roller

9 Original conveying guide0 Eject feedshift guide! Upper eject guide@ Lower eject guide# Slit glass (copier)$ DF timing switch (DFTSW)% Eject feedshift solenoid

(EFSSOL)

DFTSW

DFDPCBCN

6-B

14

CN

5-A

7

CN

5-A

8 -

CN

5-A

13

EFSSOL

OCM

Figure 2-1-7 Original conveying section block diagram

3C0

2-1-6

(1) Original switchback/conveying timing

298 P*1

100 ms

30 ms

78 P*2

135 P*1

20 ms

Fwd. rotationOffOFM

Rev. rotation

OFSW

SBFSSOL

SBPSOL R

SBPSOL A

OSBSW

OCM

EFSSOL

DFTSW

Scanning speed

Scanning speed

*1 Burst of OFM pulses*2 Burst of OCM pulses

Timing chart 2-1-2 Reversing the first face of the original

a During primary original feed, when the original feed switch (OFSW) turns on, the switchback feedshift solenoid(SBFSSOL) also turns on, changing the position of the switchback feedshift guide. This switches the path of theoriginal to the original switchback section.

b 298 OFM pulses plus 20 ms after the original feed switch (OFSW) turns on, the rotation of the original feed motor(OFM) switches to the reverse direction and the original is conveyed to the switchback section by the rotation of theswitchback roller.

c Simultaneously as the original feed switch (OFSW) turns off, the switchback pressure solenoid (SBPSOL) turns on tooperate the switchback pulley.

d When the trailing edge of the original turns the original switchback switch (OSBSW) off, the switchback feedshiftsolenoid (SBFSSOL) turns off, the switchback feedshift guide returns to the original position.

e 135 OFM pulses after the original switchback switch (OSBSW) turns off, the original feed motor (OFM) turns off. 100ms later, the original feed motor (OFM) rotates forward, switching the rotational direction of the switchback roller. Theoriginal in the original switchback section is then reversed and conveyed to the original conveying section.

f Simultaneously as the original feed motor (OFM) starts rotating forward, the original conveying motor (OCM) turns onto convey the original onto the slit glass. The eject feedshift solenoid (EFSSOL) simultaneously turns on, changingthe position of the eject feedshift guide. This switches the path of the original to the original switchback section.

g When the original is conveyed onto the slit glass, the DF timing switch (DFTSW) turns on. 78 OCM pulses later, theswitchback pressure solenoid (SBPSOL).

h 30 ms after the switchback pressure solenoid (SBPSOL) turns off, the original feed motor (OFM) turns off.

3C0

2-1-7

362 P*1

2252 P*2 + 30 ms

100 ms

30 ms

135 P*1

78 P*2

327 P*1 100 ms

30 ms

Scanning request signal: On

Scanning speed

Scanning speed

*1 Burst of OFM pulses*2 Burst of OCM pulses

Fwd. rotation

OFMRev. rotation

OFSW

SBFSSOL

SBPSOL

SBPSOL

OSBSW

OCM

EFSSOL

DFTSW

Timing chart 2-1-3 Reversing of the second face of the original and ejection

a 362 OFM pulses after the scanning of the first face (reverse face) of the original completes and the DF timing switch(DFTSW) turns off, the switchback pressure solenoid (SBPSOL) turns on, operating the switchback pulley.

b When the trailing edge of the original turns the original switchback switch (OSBSW) off, the eject feedshift solenoid(EFSSOL) turns off and the eject feedshift guide returns to the original position, switching the path of the original tothe eject section. Simultaneously, the switchback feedshift solenoid (SBFSSOL) turns off and the switchbackfeedshift guide returns to the original position.

c 30 ms after the original switchback switch (OSBSW) turns off, the original conveying motor (OCM) turns off.d 135 OFM pulses after the original switchback switch (OSBSW) turns off, the original feed motor (OFM) turns off.e 100 ms after the original feed motor (OFM) turns off, the motor starts rotating forward, switching the rotational

direction of the switchback roller. The original in the original switchback section is then reversed and conveyed to theoriginal conveying section.

f 327 OFM pulses plus 100 ms after the original feed motor (OFM) turns off, the motor starts rotating forward again andthe original conveying motor (OCM) turns on simultaneously, conveying the original onto the slit glass.

g 78 OFM pulses after the original is conveyed onto the slit glass and the DF timing switch (DFTSW) turns on, theswitchback pressure solenoid (SBPSOL) turns off.

h 30 ms after the switchback pressure solenoid (SBPSOL) turns off, the original feed motor (OFM) turns off.i When the scanning request signal turns on, scanning of the second face (front face) of the original starts.j 2252 OCM pulses plus 30 ms after scanning of the second face (front face) of the original completes and the DF

timing switch (DFTSW) turns off, the original conveying motor (OCM) turns off, completing the ejection of the original.

3C0

2-2-1

Machine front Machine inside Machine rear

1

2

Figure 2-2-1 PCBs

1. DF driver PCB (DFDPCB) ........................... Controls electrical components of the DF. 2. Original set LED PCB (OSLEDPCB) ........... Indicates presence of originals on the DF or an original jam.

2-2-1 Electrical parts layout

(1) PCBs

3C0

2-2-2

�y 8

73

5

2

4

16

Machine front Machine inside� Machine rear

(2) Switches and sensors

Figure 2-2-2 Switches and sensors

1. DF safety switch 1 (DFSSW1) ..................... Breaks the safety circuit when the DF is opened; resets original misfeeddetection.

2. DF safety switch 2 (DFSSW2) ..................... Breaks the safety circuit when the DF original switchback cover isopened; resets original misfeed detection.

3. Original set switch (OSSW) ......................... Detects the presence of an original.4. Original feed switch (OFSW) ....................... Detects primary original feed end timing.5. Original switchback switch (OSBSW) .......... Detects an original misfeed in the original switchback section.6. DF timing switch (DFTSW) .......................... Detects the original scanning timing.7. Original size length switch (OSLSW) ........... Detects the length of the original.8. Original size width switch (OSWSW) ........... Detects the width of the original.

3C0

2-2-3

2

1

Machine front Machine inside

�� Machine rear

(3) Motors

Figure 2-2-3 Motors

1. Original feed motor (OFM) ........................... Drives the original feed and switchback sections.2. Original conveying motor (OCM) ................. Drives the original conveying section.

3C0

2-2-4

5

1

42 3

Machine front Machine inside�� Machine rear

(4) Clutches and solenoids

Figure 2-2-4 Clutches and solenoids

1. Original feed solenoid (OFSOL) .................. Operates the paper feed lift.2. Switchback feedshift solenoid

(SBFSSOL) .................................................. Operates the switchback feedshift guide.3. Eject feedshift solenoid (EFSSOL) .............. Operates the eject feedshift guide.4. Switchback pressure solenoid (SBPSOL).... Operates the switchback pulley.5. Original feed clutch (OFCL) ......................... Controls the drive of the DF original feed pulley.

3C0

2-3-1

2-3-1 DF driver PCB

Copier

DFDPCB

24V

24V

24V

OCM A

OCM

Motordriver

IC

Motordriver

IC

OFM

OCM BOCM A_OCM B_

OFM A

Switches

OSWSW

LED

Clutch,Solenoids

OFM BOFM A_OFM B_

24V (VEN)

DFSSW2 OPEN

DFSSW1 OPEN

11

22

33

DFSSW1DFSSW224 V DC

5 V DC5V

24V

Driver

Driver

Driver

Figure 2-3-1 DF driver PCB block diagram

The DF driver PCB (DFDPCB) consists of the motor driver ICs and other driver circuits. The motor driver ICs are controlledby various motor control signals from the copier to drive the original feed motor (OFM) and the original conveying motor(OCM). The other driver circuits drive the clutch, solenoids, and LED based on the control signals from the copier andfunction as buffers that output the signals detected by the switches to the copier. The copier supplies DC 24 V and DC 5 Vpower sources. The DC 24 V is the power source for driving the motors, clutch, and solenoids. The DC 5 V is the powersource for driving the switches and LED. The power supply line of the DC 24 V is connected through the DF safety switch1 (DFSSW1) and the DF safety switch 2 (DFSSW2) to each load to provide a safety circuit that interrupts power supply toeach load when the DF is opened or closed or the DF original reversing cover is opened or closed.

3C0

2-3-2

CN2

CN

5

B-1

3

A-1

B-1

A-1

3

CN

6

B-1

5

A-1

B-1

CN

4

41

CN

1

91

102

A-1

5

CN32221

21

1413

21

Figure 2-3-2 DF driver PCB silk-screen diagram

3C0

2-3-3

Connector Pin No. Signal I/O Voltage DescriptionCN1

Connectedto thecopier.

CN2


CN3


CN4


1 24 V I 24 V DC 24 V DC supply2 24 V I 24 V DC 24 V DC supply3 PG - Ground Ground for 24 V DC supply4 PG - Ground Ground for 24 V DC supply5 NC - - Not used6 NC - - Not used7 5V I 5 V DC 5 V DC supply8 5V I 5 V DC 5 V DC supply9 SG - Ground Ground for 5 V DC supply

10 SG - Ground Ground for 5 V DC supply

1 OCM M1 I 0/5 V DC (pulse) OCM control signal (M1)2 OCM M2 I 0/5 V DC (pulse) OCM control signal (M2)3 OCM M3 I 0/5 V DC (pulse) OCM control signal (M3)4 NC - - Not used5 NC - - Not used6 OCM Vref I Analog OCM current control voltage7 OCM CWB I 0/5 V DC OCM rotation direction switching signal8 OCM CLK I 0/5 V DC (pulse) OCM drive clock signal9 OCM RET I 0/5 V DC OCM control signal

10 OCM ENABLE I 0/5 V DC OCM enable signal11 OFM CWB I 0/5 V DC OFM rotation direction switching signal12 OFM CLK I 0/5 V DC (pulse) OFM drive clock signal13 OFM RET I 0/5 V DC OFM control signal14 OFM ENABLE I 0/5 V DC OFM enable signal15 OFSOL(ACT) I 0/24 V DC OFSOL: actuate16 OFSOL(RET) I 0/24 V DC OFSOL: return17 SBFSSOL I 0/24 V DC SBFSSOL: On/Off18 RESERVE(SOL) - - Not used19 EFSSOL I 0/24 V DC EFSSOL: On/Off20 OFCL I 0/24 V DC OFCL: On/Off21 SBPSOL(ACT) I 0/24 V DC SBPSOL: actuate22 SBPSOL(RET) I 0/24 V DC SBPSOL: return

1 OSSW O 0/5 V DC OSSW: On/Off2 OFSW O 0/5 V DC OFSW: On/Off3 OSBSW O 0/5 V DC OSBSW: On/Off4 RESERVE (SW) - - Not used5 OSLSW O 0/5 V DC OSLSW: On/Off6 DFSSW1 O 0/5 V DC DFSSW1: On/Off7 DFSSW2 O 0/5 V DC DFSSW2: On/Off8 OSWSW O Analog OSWSW detection voltage9 OSLED(GREEN) I 0/5 V DC OSLED (green): On/Off

10 OSLED(RED) I 0/5 V DC OSLED (red): On/Off11 DF SHORT O 0/5 V DC DF installed/not installed detection signal12 RESERVE(SW) - - Not used13 DFTSW O 0/5 V DC DFTSW: On/Off14 NC - - Not used

1 24 V(VEN) - 0/24 V DC 24 V DC supply via DFSSW1 and DFSSW22 24 V - 24 V DC 24 V DC supply3 DFSSW2 OPEN - 0/24 V DC DFSSW2: On/Off4 DFSSW1 OPEN - 0/24 V DC DFSSW1: On/Off

3C0

2-3-4

Connector Pin No. Signal I/O Voltage Description

CN5

Connectedto theswitchbackpressuresolenoid,originalfeed clutch,ejectfeedshiftsolenoid,originalconveyingmotor,originalfeed motor,switchbackfeedshiftsolenoid,originalfeedsolenoid.

CN6

Connectedto theoriginalswitchbackswitch,original sizelengthswitch,original sizewidthswitch,original setswitch,originalfeed switch,original setLED PCB.

A-1 24 V O 24 V DC 24 V DC supply for SBPSOL (via DFSSW1 and DFSSW2)A-2 SBPSOL(ACT) O 0/24 V DC SBPSOL: actuateA-3 SBPSOL(RET) O 0/24 V DC SBPSOL: returnA-4 24 V O 24 V DC 24 V DC supply for OFCL (via DFSSW1 and DFSSW2)A-5 OFCL O 0/24 V DC OFCL: On/OffA-6 24 V O 24 V DC 24 V DC supply for EFSSOL (via DFSSW1 and DFSSW2)A-7 EFSSOL O 0/24 V DC EFSSOL: On/OffA-8 OCM ACOM O 24 V 24 V DC supply for OCM (via DFSSW1 and DFSSW2)

24 V(VEN)A-9 OCM BCOM O 24 V 24 V DC supply for OCM (via DFSSW1 and DFSSW2)

24 V(VEN)A-10 OCM A O 0/24 V DC (pulse) OCM motor coil energization pulse (A)A-11 OCM B O 0/24 V DC (pulse) OCM motor coil energization pulse (B)A-12 OCM A_ O 0/24 V DC (pulse) OCM motor coil energization pulse (A_)A-13 OCM B_ O 0/24 V DC (pulse) OCM motor coil energization pulse (B_)B-1 OFM ACOM O 24 V 24 V DC supply for OFM (via DFSSW1 and DFSSW2)

24 V(VEN)B-2 OFM BCOM O 24 V 24 V DC supply for OFM (via DFSSW1 and DFSSW2)

24 V(VEN)B-3 OFM A O 0/24 V DC (pulse) OFM motor coil energization pulse (A)B-4 OFM B O 0/24 V DC (pulse) OFM motor coil energization pulse (B)B-5 OFM A_ O 0/24 V DC (pulse) OFM motor coil energization pulse (A_)B-6 OFM B_ O 0/24 V DC (pulse) OFM motor coil energization pulse (B_)B-7 24 V - 24 V DC 24 V DC supply for SBFSSOL (via DFSSW1 and DFSSW2)B-8 SBFSSOL O 0/24 V DC SBFSSOL: On/OffB-9 24 V - - Not usedB-10 RESERVE(SOL) - - Not usedB-11 24 V - 24 V DC 24 V DC supply for SBPSOL (via DFSSW1 and DFSSW2)B-12 OFSOL(ACT) O 0/24 V DC OFSOL: actuateB-13 OFSOL(RET) O 0/24 V DC OFSOL: return

A-1 - - - Not usedA-2 - - - Not usedA-3 - - - Not usedA-4 SG - Ground Ground for 5 V DC supplyA-5 OSBSW I 0/5 V DC OSBSW: On/OffA-6 5V O 5 V DC 5 V DC supply for OSBSWA-7 SG - Ground GroundA-8 OSLSW I 0/5 V DC OSLSW: On/OffA-9 5V O 5 V DC 5 V DC supply for OSLSWA-10 SG - Ground GroundA-11 OSWSW I Analog OSWSW detection voltageA-12 5V O 5 V DC 5 V DC supply for OSWSWA-13 SG - - Not usedA-14 RESERVE(SW) - - Not usedA-15 5V - - Not usedB-1 5V O 5 V DC 5 V DC supply for OSSWB-2 OSSW I 0/5 V DC OSSW: On/OffB-3 SG - Ground GroundB-4 5V O 5 V DC 5 V DC supply for OFSWB-5 OFSW I 0/5 V DC OFSW: On/OffB-6 SG - Ground GroundB-7 OSLED(RED) O 0/5 V DC OSLED (red): On/OffB-8 SG - Ground GroundB-9 OSLED(GN) O 0/5 V DC OSLED (green): On/OffB-10 5V - - Not usedB-11 DOCSW - - Not usedB-12 SG - - Not usedB-13 5V O 5 V DC 5 V DC supply for DFTSWB-14 DFTSW I 0/5 V DC DFTSW: On/OffB-15 SG - Ground Ground

3C0

2-4-1

Tim

ing

ch

art

No

. 1O

rig

inal

fee

d o

per

atio

n 1

: Fee

din

g a

n A

4/11

" ×××× ×

81/ 2

" o

rig

inal

in s

ing

le-s

ided

ori

gin

al m

od

e

Cop

ier

sign

al w

ait c

ondi

tion

298

P

5099

P

Sec

onda

ry o

rigin

al fe

ed s

tart

Prim

ary

orig

inal

feed

end

DF

sta

rt

OF

MC

N5-

B3,

B4,

B5,

B6

OC

MC

N5-

A10

, A11

, A12

, A13

OF

SW

C

N6-

B5

OS

BS

WC

N6-

A5

OF

SO

L A

DF

TS

W

CN

5-B

12

OF

SO

L R

CN

5-B

13

OF

CL

CN

5-A

5

CN

6-B

14

3C0

2-4-2

Tim

ing

ch

art

No

. 2O

rig

inal

fee

d o

per

atio

n 2

: Fee

din

g t

wo

A4/

11"

×××× × 81

/ 2"

ori

gin

als

succ

essi

vely

in s

ing

le-s

ided

ori

gin

al m

od

e

Sec

onda

ry o

rigin

al

feed

sta

rt

Sta

rt o

f prim

ary

feed

fo

r ne

xt o

rigin

alP

rimar

y or

igin

al

feed

end

DF

sta

rt

OF

M

OF

SO

L A

CN

5-B

12

OF

SO

L R

CN

5-B

3

OF

CL

CN

5-A

5

DF

TS

W

Cop

ier

sign

al w

ait c

ondi

tion

298

P

298

P

5099

P

OS

BS

W

CN

5-B

3, B

4, B

5, B

6

OC

MC

N5-

A10

, A11

, A12

, A13

OF

SW

CN

6-B

5

CN

6-A

5

CN

6-B

14

3C0

2-4-3

Tim

ing

ch

art

No

. 3O

rig

inal

fee

d o

per

atio

n 3

: Fee

din

g t

wo

A4R

/81 /

2" ×××× ×

11"

ori

gin

als

succ

essi

vely

in d

ou

ble

-sid

ed o

rig

inal

mo

de

Sec

onda

ry o

rigin

al

feed

sta

rt (

reve

rse

face

)S

econ

dary

orig

inal

fe

ed s

tart

(re

vers

e fa

ce)

Sec

onda

ry o

rigin

al

feed

sta

rt (

fron

t fac

e)

Sec

onda

ry o

rigin

al fe

ed s

tart

(f

ront

face

)S

witc

hbac

k op

erat

ion

star

t

Sw

itchb

ack

oper

atio

n st

art

Sw

itchb

ack

oper

atio

n en

dS

witc

hbac

k op

erat

ion

end

Sw

itchb

ack

oper

atio

n en

dS

witc

hbac

k op

erat

ion

end

Sta

rt o

f prim

ary

feed

fo

r ne

xt o

rigin

al

Prim

ary

orig

inal

fe

ed e

nd

Prim

ary

orig

inal

fe

ed e

nd

DF

sta

rt

Cop

ier

sign

al

wai

t con

ditio

n

OF

M

100

ms

135

P13

5 P

135

P13

5 P

OF

SO

L A

CN

5-B

12

OF

SO

L R

CN

5-B

13

OF

CL

CN

5-A

5

CN

5-B

3, B

4, B

5, B

6

OC

M

CN5-

A10,

A11

, A12

, A13

OF

SW

C

N6-

B5

OS

BS

WC

N6-

A5

DF

TS

WC

N6-

B14

SB

FS

SO

LC

N5-

B8

EF

SS

OL

CN

5-A

7

SB

PS

OL

AC

N5-

A2

SB

PS

OL

RC

N5-

A3

3C0

2-4-4

Maintenance parts listMaintenance part name

Part No. Fig. No. Ref. No.Name used in service manual Name used in parts list

DF forwarding pulley PULLEY,LEADING FEED 3BC07010 4 5DF feed pulley PULLEY,SEPARATION 3BC07020 4 6DF separation pulley PULLEY,SEPARATION 3BC07020 4 27DF registration roller ROLLER,REGISTRATION 3BC08050 6 56Front reading pulley FRONT PULLEY,READING 3AL08480 6 7DF registration pulley PULLEY B,REGISTRATION 3BC08220 5 12Original feed switch SWITCH L,FEED 63227150 4 17

Lower original conveying roller LOWER ROLLER,CONVEYING 3AL08112 6 32Upper original conveying roller UPPER ROLLER,CONVEYING 3AL08161 6 30Upper original conveying pulley UPPER PULLEY,CONVEYING 3AL08140 1 5Original conveying guide GUIDE,CONVEYING 3AL08033 6 1Original conveying pulley cover COVER,CONVEYING PULLEY 3AL08302 6 4Middle original conveying roller INNER ROLLER,CONVEYING 3BC08150 6 19Middle original conveying pulley INNER PULLEY,CONVEYING 3AL08100 6 52Eject pulley PULLEY,EJECT 3AL08170 5 11

Switchback roller ROLLER,LOOP 3AL10020 5 6Eject pulley PULLEY,EJECT 3AL08170 5 20Eject roller ROLLER,EJECT 3AL08130 6 39

Original size length switch filter FILTER CF SENSOR 78706241 3 16

Slit glass* CONTACT GLASS,ADF 2AV12250 9 [11] 19 [61]Covers Covers - - -

Original holder mat MAT,ORIGINAL HOLDER 3AL04060 1 16Original holder sheet SHEET,ORIGINAL HOLDER 3AL08401 6 10Original size indicator sponge* SPONGE,ORIGINAL SIZE INDICATOR 35912531 9 [11] 52 [63]

* Equipped with the copier. [ ] indicates the case of color copiers.

3C0

2-4-5

Periodic maintenance procedures

MaintenanceSection part/location Method Maintenance cycle Points and cautions Page

Test copy and Perform at the maximum Test copy Every servicetest print copy size


Original feed DF forwarding pulley Replace or clean Every 100,000 counts Clean with alcohol when visiting 1-6-3section the user.

DF feed pulley Replace or clean Every 100,000 counts Clean with alcohol when visiting 1-6-3the user.

DF separation pulley Replace or clean Every 100,000 counts Clean with alcohol when visiting 1-6-4the user.

DF registration roller Clean Every service Clean with alcohol or a dry cloth.

Front reading pulley Clean Every service Clean with alcohol or a dry cloth.

DF registration pulley Check or clean Every service Clean with alcohol or a dry clothif it is dirty.

Original feed switch Check or clean Every service Clean with airbrush or a dry cloth.


Original Lower original conveying Clean Every service Clean with alcohol or a dry cloth.conveying rollersection Upper original conveying Clean Every service Clean with alcohol or a dry cloth.

roller

Upper original conveying Check or clean Every service Clean with alcohol or a dry clothpulley if it is dirty.

Original conveying guide Clean Every service Clean with alcohol or a dry cloth.

Original conveying pulley Clean Every service Clean the opposite side of the DFcover timing switch with alcohol or a dry

cloth.

Middle original conveying Clean Every 400,000 counts Clean with alcohol (Remove theroller front, rear and right covers and

original conveying pulley mountplate).

Middle original conveying Clean Every 400,000 counts Clean with alcohol (Remove thepulley front, rear and right covers and

original conveying pulley mountplate).

Eject pulley Check or clean Every service Clean with alcohol or a dry clothif it is dirty.


Original Original size length switch Clean Every service Clean with alcohol.Table Filter

3C0

2-4-6


Covers Covers Clean Every service Clean with alcohol.

Slit glass* Clean Every service Clean with alcohol or a dry cloth.


Other Original holder mat Clean Every service Clean with alcohol or a dry cloth.

Original holder sheet Clean Every service Clean with alcohol or a dry cloth.

Original size indicator Clean Every service Clean with alcohol or a dry cloth.sponge*

* Equipped with the copier.

3C0

2-4-7

Connection diagram

CN5(B-1)CN5(B-2)CN5(B-3)CN5(B-4)CN5(B-5)CN5(B-6)

CN5(A-8)CN5(A-9)CN5(A-10)CN5(A-11)CN5(A-12)CN5(A-13)

24VSBPSOL(ACT)SBPSOL(RET)

24VOFCL

24VEFSSOL

SBFSSOL24V

OFSOL (RET)OFSOL (ACT)24V

OCM AOCM B

OCM A_

OCM B_

OCM ACOM 24V(VEN)OCM BCOM 24V(VEN)

OFM B_OFM A_

OFM BOFM AOFM BCOM 24V(VEN)OFM ACOM 24V(VEN)

24V (VEN)

24V

DFSSW2 OPEN

DFSSW1 OPEN

1

2

3

3

2

1

CN5(B-11)CN5(B-12)CN5(B-13)

CN5(B-7)CN5(B-8)

CN5(A-6)CN5(A-7)

CN5(A-4)CN5(A-5)

CN5(A-1)CN5(A-2)CN5(A-3)

CN4-1

CN4-2

CN4-3

CN4-4

NC:

CN1-5CN1-6CN2-4CN2-5CN3-14 CN6(A-1)CN6(A-2)CN6(A-3)

CN6(B-3)CN6(B-2)CN6(B-1)

CN6(B-4)CN6(B-5)CN6(B-6)

CN6(A-4)CN6(A-5)CN6(A-6)

CN6(A-10)CN6(A-11)CN6(A-12)

CN6(A-7)CN6(A-8)CN6(A-9)

CN6(B-7)CN6(B-8)CN6(B-9)

CN6(B-15)CN6(B-14)CN6(B-13)

SGOSSW5V

5VOFSWSG

SGOSBSW5V

SGOSWSW5V

SGOSLSW5V

OSLED (RED)SGOSLED (GN)

SGDFTSW5V

DF

DP

CB

OC

MO

FS

OL

SB

PS

OL

OF

CL

SBFSSOL

EFSSOL

OF

M

DFSSW1DFSSW2

DFTSW

OSLSW

OSBSW

OFSW

OSSW

OSWSW

OSLEDPCB

B

A

12

34

56

78

910

111

23

45

67

89

101112

12

34

56

78

91011

12

34

56

78

9101112

Connected to the copier

NC

FGFGFG

SGSG5V5VPGPG24V24V

CN1-10CN1-9CN1-8CN1-7CN1-4CN1-3CN1-2CN1-1

NC

NCOSLED(RED)OSLED(GREEN)SBPSOL(RET)SBPSOL(ACT)OFCLEFSSOLRESERVE(SOL)SBFSSOLOFSOL(RET)OFSOL(ACT)OFM ENABLE

OSBSWOFSWOSSWRESERVE(SW)RESERVE(SW)DF SHORTOSWSWDFSSW2DFSSW1OSLSWDFTSW

OFM RETFOMT CLKOFM CWBOCM ENABLEOCM RETOCM CLKOCM CWBOCM VrefOCM M3OCM M2OCM M1

CN3-3CN3-2

CN2-13

CN3-10CN3-9CN2-22CN2-21CN2-20CN2-19CN2-18CN2-17CN2-16CN2-15CN2-14

CN2-12CN2-11CN2-10CN2-9CN2-8CN2-7CN2-6CN2-3CN2-2CN2-1

CN3-1CN3-4CN3-12CN3-11CN3-8CN3-7CN3-6CN3-5CN3-13

3C0

2-4-8

Wiring diagram

AB

C25

1224VE

FS

SO

LB

E21

C24

C5(A

-7) GY

C5(A

-6) GY

BE

1224VS

BF

SS

OL

BE

21

C26

C5(B

-8) GY

C5(B

-7) GY

BE

21

C23

C6(B

-1) RD

C6(B

-2) RD

3C

6(B-3) R

D

5V OS

SW

SG

C6(A

-12) GY

C6(A

-11) GY

C6(A

-10) GY

C6(A

-9) GY

C6(A

-8) GY

C6(A

-7) GY

4 3 2 1

5V SG

OS

WS

W5V

C28

56O

SLS

WS

G

654321

C29

C8-3 B

EC

8-2 YW

C8-1 O

EC

7-3 BE

C7-2 G

YC

7-1 OE

C31-3 O

E

C31-1 B

E3 2 1

OE

YW

BE

C30

5VOS

LSW

SG

SG

OS

WS

W5V

C31-6 O

EC

31-5 GY

C31-4 B

E

C31

3 2 1

123

24V24V

(VE

N)

DF

SS

W1

P1

C4-4 R

DC

4-1 RD

P2-2 R

D

C15-1 R

DC

15-2 GY

C15-3 G

YC

15-4 GY

C15-5 G

YC

15-6 GY

C24-1 G

YC

24-2 GY

C11-1 G

YC

11-2 GY

C13-1 G

YC

13-2 GY

C13-3 G

YA

-1A

-2A

-3A

-4A

-5A

-6A

-7A

-8A

-9A

-10A

-11A

-12A

-13

C5

(CN

5)

24V

24VO

FC

L24VE

FS

SO

L O

CM ACO

MO

CM BCO

MO

CM

AO

CM

BO

CM

A_

OC

M B

_

SBPSOL(ACT) OFSOL(RET)OFSOL(ACT)24V

SB

FSS

OL

24VO

FM

B_

OF

M A

_O

FM

BO

FM

AO

FM BCO

MO

FM ACO

M

24VRESERVE(SOL)

C2

(CN

2)C

6(C

N6)

C9-6 R

DC

9-5 GY

C9-4 G

YC

9-3 GY

C9-2 G

YC

9-1 GY

C26-2 G

YC

26-1 GY

C19-3 G

YC

19-2 GY

C19-1 G

YB

-13B

-12B

-11B

-10B

-9B

-8B

-7B

-6B

-5B

-4B

-3B

-2B

-1

A-1

A-2

A-3

A-4

A-5

A-6

A-7

A-8

A-9

A-10

A-11

A-12

A-13

A-14

A-15

SG

OS

BS

W5VS

GO

SLS

W5VS

GO

SW

SW

5VSG

RESERVE(SW)5V

C28-1 R

DC

28-2 GY

C28-3 G

YC

28-4 GY

C28-5 G

YC

28-6 GY

C18-1 G

YC

18-2 GY

C18-3 G

Y

5V OS

SW

SG

5V OF

SW

SG

OSLED(RD)S

GOSLED(GN)5V D

OC

SW

S

G5V D

FT

SW

SG

C1

(CN

1)

C3

(CN

3)

B-15

B-14

B-13

B-12

B-11

B-10

B-9

B-8

B-7

B-6

B-5

B-4

B-3

B-2

B-1

C23-1 R

DC

23-2 WH

C23-3 W

HC

21-1 BK

C21-2 B

KC

21-3 BK

C22-3 G

YC

22-2 GY

C22-1 G

Y

C17-1 G

YC

17-2 GY

C17-3 G

Y

C101-11

C101-10

C101-9

C101-8

C101-7

C101-6

C101-5

C101-4

P1-3 R

DP

2-3 RD

P2-1 R

DP

1-2 RD

1 2 3 4

24V(V

EN

)24VD

FS

SW

2D

FS

SW

1

C4

(CN

4)

24V24VP

GP

G

5VNC

NC

5V SG

SG

1 2 3 4 5 6 7 8 9 10C

20

2321

C193

124VO

FSOL(ACT)

OFSO

L(RET)

21

C213

5V OF

SW

SG

23 1O

SLE

D(G

SG

OS

LED

(R

23

P21

24V24V

(VE

N)

DF

SS

W2

C5(B

-13) GY

C5(B

-12) GY

C5(B

-11) GY

C6(B

-4) BK

C6(B

-5) BK

C6(B

-6) BK

C6(B

-7) GY

C6(B

-8) GY

C6(B

-9) GY

C4-3 R

DP

1-1 RD

C4-2 R

D

23

C18

C6(A-4) GYC6(A-5) GY

1 C6(A-6) GY5V

C17

C6(B-13) GYC6(B-14) GYC6(B-15) GY

SG

OSBSWSG

DFTSW5V

4321

OCM BOCM AOCM BCOMOCM ACOM

C16

56

OCM A_OCM B_OE

YWBERDWEBK

4321

OFM BOFM AOFM BCOMOFM ACOM

C10

56

OFM A_OFM B_OE

YWBERDWEBK

C1212

24VOFCL

BKBK

C14

23GN

BN1RD 24V

SBPSOL(RET)SBPSOL(ACT)

C5(B-6) GYC5(B-5) GYC5(B-4) GYC5(B-3) GYC5(B-2) GYC5(B-1) RD6

54321

C9

21

C11


21

C13


3 C5(A-1) GY

654321

C15

C5(A-13) RDC5(A-12) GYC5(A-11) GYC5(A-10) GYC5(A-9) GYC5(A-8) RD

C3-13C3-5C3-6C3-7C3-8C3-11C3-12C3-4C3-1C3-2C3-3

C1-1C1-2C1-3C1-4C1-7C1-8C1-9C1-10

C2-3

C2-13

C2-8C2-7

C2-2

C2-9C2-10C2-11C2-12

C2-21C2-22

C2-19C2-18

C2-16C2-15C2-14

C2-17

C2-20

C3-9C3-10

C2-1

C2-6

1234567891011

123456789101112

123456789101112

1234567891011

C102-4C102-3C102-2C102-5C102-11C102-10C102-9C102-8C104-3C104-2C102-7C102-6C102-12

C103-11C103-10C103-9

C103-8C103-7C103-6C103-5C103-4C103-3C103-2C103-1C104-12C104-11C104-10C104-9C104-8C104-7C104-6C104-5C104-4

OSSWOFSWOSBSW

DFTSWNC

NCNC

OSWSW

DFSSW1DCSSW2

OSLSW

OSLED(GN)OSLED(RD)DF SHORT

RESERVE(SW)

RESERVE(SW)

1234567891011121314

OCM M1OCM M2OCM M3

OCM VrefOCM CWBOCM CLKOCM RETOCM ENABLEOFM CWBOFM CLKOFM RETOFM ENABLEOFSOL(ACT)OFSOL(RET)SBFSSOL

EFSSOLOFCLSBPSOL(ACT)SBPSOL(RET)

12345678910111213141516171819202122

M1

C27

SBPSOL(RET)

C22

GN

BN

RD

21

3

C31-2 Y

W

DFTSW

OSBSW

OF

SO

LOF

SW

DF

SS

W2

OS

SW

EF

SS

OL

OS

LSW

OS

WS

WD

FS

SW

1

DF

DP

CB

SBFSSOL OS

LED

PC

B

OCM

SBPSOL

OFCL

OFM

NC

FG

C101

C102

C103

C104

FG

SGSG5V5VPGPG24V24V

NCOSBSWOFSWOSSWRESERVE(SW)RESERVE(SW)DF SHORTOSWSWDFSSW2DFSSW1OSLSWDFTSW

OSLED(RED)NC

OSLED(GREEN)SBPSOL(RET)SBPSOL(ACT)OFCLEFSSOLRESERVE(SOL)SBFSSOLOFSOL(RET)OFSOL(ACT)OFM ENABLE

OFM RETOFM CLKOFM CWBOCM ENABLEOCM RETOCM CLKOCM CWBOCM VrefOCM M3OCM M2OCM M1

RESERVE(SOL)

Connected to the copier

©2002 KYOCERA MITA CORPORATION

is a trademark of Kyocera Corporation

is a registered trademark of KYOCERA MITA CORPORATION

Printed in U.S.A.

KYOCERA MITA AMERICA, INC.Headquarters:225 Sand Road, P.O. Box 40008Fairfield, New Jersey 07004-0008TEL : (973) 808-8444FAX : (973) 882-6000

New York Show Room:149 West 51st street,New York, NY 10019TEL : (212) 554-2679FAX : (212) 554-2625

Northeastern Region:225 Sand Road, P.O. Box 40008Fairfield, New Jersey 07004-0008TEL : (973) 808-8444FAX : (973) 882-4401

Midwestern Region:201 Hansen Court Suite 119Wood Dale, Illinois 60179TEL : (630) 238-9982FAX : (630) 238-9487

Western Region:14101 Alton Parkway,Irvine, California 92618-7006TEL : (949) 457-9000FAX : (949) 457-9119

Southeastern Region:1500 Oakbrook Drive,Norcross, Georgia 30093TEL : (770) 729-9786FAX : (770) 729-9873

Southwestern Region:2825 West Story Road,Irving, Texas 75038-5299TEL : (972) 550-8987FAX : (972) 570-4704

Dallas Parts Distribution Center& National Training Center:2825 West Story Road,Irving, Texas 75038-5299TEL : (972) 659-0055FAX : (972) 570-5816

KYOCERA MITA CANADA, LTD.6120 Kestrel Road, Mississauga, Ontario L5T 1S8, CanadaTEL : (905) 670-4425FAX : (905) 670-8116

KYOCERA MITA MEXICO, S.A. DE C.V.Av. 16 de Septiembre #407Col. Santa Inés,02130 AzcapotzalcoMéxico, D.F. MéxicoTEL : (55) 383-2741FAX : (55) 383-7804

copystar srdf-2 service manual

Documents

df driver

switchback

switchback

eject feedshift

df feed pulley

feed guide

original insertion

secondary