Ricoh A265, A267 Service Manual
RICOH GROUP COMPANIES
A265/A267
SERVICE MANUAL
000882MIU
®
®
SERVICE MANUAL
A265/A267
RICOH GROUP COMPANIES
A265/A267
SERVICE MANUAL
000882MIU
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2000 RICOH Corporation. All rights reserved.
WARNING
The Service Manual contains information
regarding service techniques, procedures,
processes and spare parts of office equipment
distributed by Ricoh Corporation. Users of this
manual should be either service trained or
certified by successfully completing a Ricoh
Technical Training Program.
Untrained and uncertified users utilizing
information contained in this service manual to
repair or modify Ricoh equipment risk personal
injury, damage to property or loss of warranty
protection.
Ricoh Corporation
LEGEND
PRODUCT CODE COMPANY
GESTETNER RICOH SAVIN
A265 3222 Aficio 220 9922DP
A267 3227 Aficio 270 9927DP
DOCUMENTATION HISTORY
REV. NO. DATE COMMENTS
*
12/99 Original Printing
TABLE OF CONTENTS
OVERALL INFORMATION
1. OVERALL MACHINE INFORMATION ........................................1-1
1.1 SPECIFICATIONS .................................................................................... 1-1
1.2 MACHINE CONFIGURATION................................................................... 1-5
1.2.1 SYSTEM COMPONENTS................................................................ 1-5
1.2.2 INSTALLABLE OPTION TABLE.......................................................1-7
Copier options ......................................................................................1-7
Fax and printer options......................................................................... 1-7
Scanner option .....................................................................................1-7
1.3 PAPER PATH............................................................................................1-8
1.4 MECHANICAL COMPONENT LAYOUT ...................................................1-9
1.5 ELECTRICAL COMPONENT DESCRIPTIONS ...................................... 1-11
1.6 DRIVE LAYOUT...................................................................................... 1-14
1.7 COPY PROCESS....................................................................................1-15
1.7.1 OVERVIEW....................................................................................1-15
1.8 BOARD STRUCTURE ............................................................................1-17
1.8.1 OVERVIEW....................................................................................1-17
1.8.2 DESCRIPTION............................................................................... 1-18
DETAILED DESCRIPTIONS
2. DETAILED SECTION DESCRIPTIONS....................................... 2-1
2.1 SCANNING ............................................................................................... 2-1
2.1.1 OVERVIEW......................................................................................2-1
2.1.2 SCANNER DRIVE............................................................................ 2-2
2.1.3 ORIGINAL SIZE DETECTION IN PLATEN MODE ..........................2-3
2.2 IMAGE PROCESSING.............................................................................. 2-5
2.2.1 OVERVIEW......................................................................................2-5
2.2.2 SBU (SENSOR BOARD UNIT) ........................................................2-6
2.2.3 AUTO IMAGE DENSITY .................................................................. 2-7
In the SBU ............................................................................................ 2-7
In the IPU..............................................................................................2-7
“Service Mode” Original Types ............................................................ 2-7
2.2.4 IPU (IMAGE PROCESSING UNIT) ..................................................2-8
Overview............................................................................................... 2-8
Image Processing Modes ..................................................................... 2-9
Image Processing Path.......................................................................2-11
SP Modes for Each Image Processing Step....................................... 2-12
Auto Shading......................................................................................2-18
White Line Erase Compensation ........................................................2-18
Black Line Erase Compensation......................................................... 2-18
Scanner Gamma (γ Correction ........................................................... 2-19
SM i A265/A267
Main Scan Magnification/Reduction ...................................................2-20
Mirroring for ADF Mode ...................................................................... 2-20
Filtering............................................................................................... 2-21
ID Gamma (γ) Correction.................................................................... 2-25
Gradation Processing ......................................................................... 2-25
Line width correction........................................................................... 2-27
2.2.5 MEMORY CONTROLLER AND ENHANCED MEMORY
BOARD (EMB) .............................................................................. 2-28
2.2.6 VIDEO CONTROL UNIT (VCU) .....................................................2-29
Fine Character and Image (FCI)......................................................... 2-29
Printer Gamma Correction.................................................................. 2-29
2.3 LASER EXPOSURE................................................................................2-30
2.3.1 OVERVIEW....................................................................................2-30
2.3.2 AUTO POWER CONTROL (APC).................................................. 2-31
2.3.3 LD SAFETY SWITCH..................................................................... 2-32
2.4 PHOTOCONDUCTOR UNIT (PCU) ........................................................ 2-33
2.4.1 OVERVIEW....................................................................................2-33
2.4.2 DRIVE ............................................................................................ 2-34
2.4.3 NEW PCU DETECTION................................................................. 2-35
2.5 DRUM CHARGE ..................................................................................... 2-36
2.5.1 OVERVIEW....................................................................................2-36
2.5.1 CHARGE ROLLER VOLTAGE CORRECTION.............................. 2-37
Correction for Environmental Conditions ............................................2-37
2.5.2 ID SENSOR PATTERN PRODUCTION TIMING ...........................2-38
2.5.3 DRUM CHARGE ROLLER CLEANING.......................................... 2-39
2.6 DEVELOPMENT ..................................................................................... 2-40
2.6.1 OVERVIEW....................................................................................2-40
2.6.2 DRIVE ............................................................................................ 2-41
2.6.3 DEVELOPER MIXING.................................................................... 2-42
2.6.4 DEVELOPMENT BIAS ................................................................... 2-43
2.6.5 TONER SUPPLY............................................................................ 2-44
Toner bottle replenishment mechanism.............................................. 2-44
Toner supply mechanism....................................................................2-45
2.6.6 TONER DENSITY CONTROL........................................................ 2-46
Overview............................................................................................. 2-46
Toner density sensor initial setting ..................................................... 2-48
Toner density measurement............................................................... 2-48
Vsp/Vsg detection............................................................................... 2-48
Toner supply reference voltage (Vref) determination.......................... 2-48
Toner supply determination ................................................................ 2-48
Toner Supply Motor On Time Determinations .................................... 2-49
2.6.7 TONER SUPPLY IN ABNORMAL SENSOR CONDITIONS...........2-50
ID sensor ............................................................................................ 2-50
TD Sensor ..........................................................................................2-50
2.6.8 TONER NEAR END/END DETECTION AND RECOVERY............ 2-50
Toner Near End Detection.................................................................. 2-50
Toner Near End Recovery.................................................................. 2-51
Toner End Detection........................................................................... 2-51
Toner End Recovery........................................................................... 2-51
A265/A267 ii SM
2.7 DRUM CLEANING AND TONER RECYCLING ...................................... 2-52
2.7.1 DRUM CLEANING ......................................................................... 2-52
2.7.2 TONER RECYCLING..................................................................... 2-53
2.8 PAPER FEED..........................................................................................2-54
2.8.1 OVERVIEW....................................................................................2-54
2.8.2 PAPER FEED DRIVE MECHANISM.............................................. 2-55
2.8.3 PAPER FEED AND SEPARATION MECHANISM ......................... 2-56
2.8.4 PAPER LIFT MECHANISM............................................................ 2-57
2.8.5 PAPER END DETECTION............................................................. 2-58
2.8.6 PAPER HEIGHT DETECTION....................................................... 2-59
2.8.7 FEED PRESSURE ADJUSTMENT FOR PAPER SIZE..................2-60
Overview............................................................................................. 2-60
Paper Size Thresholds .......................................................................2-60
Feed Pressure Adjustment ................................................................. 2-61
Effect of the Amount of Remaining Paper...........................................2-61
2.8.8 PAPER SIZE DETECTION.............................................................2-63
2.8.9 SPECIAL PAPER SETTING...........................................................2-64
2.8.10 SIDE AND END FENCES ............................................................ 2-65
Side Fences........................................................................................ 2-65
End Fence .......................................................................................... 2-65
2.8.11 PAPER REGISTRATION ............................................................. 2-66
2.9 IMAGE TRANSFER AND PAPER SEPARATION................................... 2-67
2.9.1 OVERVIEW....................................................................................2-67
2.9.2 IMAGE TRANSFER CURRENT TIMING........................................2-68
2.9.3 TRANSFER ROLLER CLEANING .................................................2-69
2.9.4 PAPER SEPARATION MECHANISM ............................................ 2-69
2.10 IMAGE FUSING AND PAPER EXIT......................................................2-70
2.10.1 OVERVIEW..................................................................................2-70
2.10.2 FUSING DRIVE AND RELEASE MECHANISM........................... 2-71
2.10.3 FUSING ENTRANCE GUIDE SHIFT MECHANISM..................... 2-72
2.10.4 PRESSURE ROLLER .................................................................. 2-73
2.10.5 CLEANING MECHANISM ............................................................ 2-73
2.10.6 FUSING TEMPERATURE CONTROL ......................................... 2-74
Temperature Control...........................................................................2-74
Fusing Lamp Control .......................................................................... 2-75
2.10.7 OVERHEAT PROTECTION ......................................................... 2-76
2.10.8 PAPER EXIT ................................................................................ 2-76
2.11 ENERGY SAVER MODES.................................................................... 2-77
2.11.1 OVERVIEW..................................................................................2-77
2.11.2 ENERGY SAVER MODE ............................................................. 2-78
Entering the energy saver mode......................................................... 2-78
What happens in energy saver mode ................................................. 2-78
Return to stand-by mode .................................................................... 2-78
2.11.3 LOW POWER MODE................................................................... 2-79
Entering the low power mode .............................................................2-79
What happens in low power mode...................................................... 2-79
Return to stand-by mode .................................................................... 2-79
2.11.4 AUTO OFF MODE........................................................................2-80
Entering auto off mode .......................................................................2-80
SM iii A265/A267
What happens in auto off mode .......................................................... 2-80
Returning to stand-by mode ...............................................................2-80
Disabling auto off mode...................................................................... 2-80
2.11.5 NIGHT MODE ..............................................................................2-81
Entering night stand-by and night modes ........................................... 2-81
What happens in night stand-by and night modes.............................. 2-81
Returning to stand-by mode ...............................................................2-82
INSTALLATION PROCEDURE
3. INSTALLATION PROCEDURE ...................................................3-1
3.1 INSTALLATION REQUIREMENTS........................................................... 3-1
3.1.1 ENVIRONMENT............................................................................... 3-1
3.1.2 MACHINE LEVEL............................................................................. 3-1
3.1.3 MINIMUM SPACE REQUIREMENTS ..............................................3-2
3.1.4 POWER REQUIREMENTS..............................................................3-3
3.2 COPIER INSTALLATION..........................................................................3-4
3.2.1 POWER SOCKETS FOR PERIPHERALS ....................................... 3-4
3.2.2 INSTALLATION FLOW CHART ....................................................... 3-5
3.2.3 ACCESSORY CHECK ..................................................................... 3-6
3.2.4 INSTALLATION PROCEDURE ........................................................ 3-7
3.3 PAPER TRAY UNIT INSTALLATION...................................................... 3-11
3.3.1 ACCESSORY CHECK ................................................................... 3-11
3.4 LCT INSTALLATION............................................................................... 3-14
3.4.1 ACCESSORY CHECK ................................................................... 3-14
3.5 AUTO REVERSE DOCUMENT FEEDER INSTALLATION..................... 3-17
3.5.1 ACCESSORY CHECK ................................................................... 3-17
3.5.2 INSTALLATION PROCEDURE ...................................................... 3-17
3.6 INTERCHANGE UNIT INSTALLATION ..................................................3-20
3.6.1 COMPONENT CHECK...................................................................3-20
3.6.2 INSTALLATION PROCEDURE ...................................................... 3-21
3.7 1-BIN TRAY UNIT INSTALLATION......................................................... 3-23
3.7.1 COMPONENT CHECK...................................................................3-23
3.7.2 INSTALLATION PROCEDURE ...................................................... 3-23
3.8 SHIFT TRAY ........................................................................................... 3-26
3.8.1 COMPONENT CHECK...................................................................3-26
3.8.2 INSTALLATION PROCEDURE ...................................................... 3-26
3.9 BY-PASS FEED UNIT INSTALLATION .................................................. 3-28
3.9.1 COMPONENTS CHECK ................................................................ 3-28
3.9.2 INSTALLATION PROCEDURE ...................................................... 3-28
3.10 DUPLEX UNIT INSTALLATION ............................................................ 3-30
3.10.1 ACCESSORY CHECK ................................................................. 3-30
3.10.2 INSTALLATION PROCEDURE .................................................... 3-31
3.11 BRIDGE UNIT INSTALLATION............................................................. 3-33
3.11.1 ACCESSORY CHECK ................................................................. 3-33
3.11.2 INSTALLATION PROCEDURE .................................................... 3-33
3.12 1,000-SHEET FINISHER INSTALLATION............................................ 3-35
3.13 COPIER FEATURE EXPANDER INSTALLATION................................ 3-38
A265/A267 iv SM
3.14 PLATEN COVER INSTALLATION ........................................................ 3-39
3.15 KEY COUNTER INSTALLATION.......................................................... 3-40
3.16 ANTI-CONDENSATION HEATER.........................................................3-42
3.17 TRAY HEATER ..................................................................................... 3-43
3.18 TRAY HEATER (OPTIONAL PAPER TRAY UNIT)............................... 3-45
3.19 TRAY HEATER (OPTIONAL LCT)........................................................ 3-48
SERVICE TABLES
4. SERVICE TABLES ...................................................................... 4-1
4.1 GENERAL CAUTION ................................................................................4-1
4.1.1 PCU (PHOTOCONDUCTOR UNIT) ................................................. 4-1
4.1.2 TRANSFER ROLLER UNIT .............................................................4-1
4.1.3 SCANNER UNIT ..............................................................................4-1
4.1.4 LASER UNIT .................................................................................... 4-2
4.1.5 FUSING UNIT ..................................................................................4-2
4.1.6 PAPER FEED................................................................................... 4-2
4.1.7 OTHERS .......................................................................................... 4-2
4.2 SERVICE PROGRAM MODE ................................................................... 4-3
4.2.1 SERVICE PROGRAM MODE OPERATION .................................... 4-3
Service Program Access Procedure..................................................... 4-3
Accessing Copy Mode from within an SP Mode ................................... 4-4
How to Select the Program Number ..................................................... 4-4
To input a value or setting for an SP mode...........................................4-4
4.2.2 SERVICE PROGRAM MODE TABLES............................................ 4-5
4.2.3 TEST PATTERN PRINTING (SP4-417 AND SP5-902).................. 4-60
4.2.4 INPUT CHECK (SP5-803).............................................................. 4-61
Input Check Table ..............................................................................4-61
4.2.5 OUTPUT CHECK (SP5-804).......................................................... 4-66
Output Check Table............................................................................ 4-66
4.2.6 COPY JAM HISTORY DISPLAY (SP7-903)................................... 4-68
4.2.7 SMC DATA LISTS (SP5-992).........................................................4-69
4.2.8 ORIGINAL JAM HISTORY DISPLAY (SP7-905) ............................4-70
4.2.9 MEMORY ALL CLEAR (SP5-801)..................................................4-71
Using a Flash Memory Card............................................................... 4-71
Without Using a Flash Memory Card.................................................. 4-71
4.2.10 PROGRAM UPLOAD/DOWNLOAD ............................................. 4-72
Program Download (SP5-827)............................................................ 4-72
Program Upload (SP5-826) ................................................................ 4-73
4.2.11 NVRAM DATA DOWNLOAD........................................................ 4-74
NVRAM Data Download (SP5-825).................................................... 4-74
NVRAM Data Upload (SP5-824) ........................................................4-75
4.2.12 APS AND PLATEN/DF COVER SENSOR OUTPUT DISPLAY
(SP4-301) ......................................................................................4-76
4.2.13 DF APS SENSOR OUTPUT DISPLAY (SP6-901) .......................4-77
4.2.14 NIP BAND WIDTH MEASUREMENT........................................... 4-78
4.2.15 DISPLAY LANGUAGE (SP5-808)................................................ 4-79
4.2.16 SERIAL NUMBER INPUT (SP5-811) ........................................... 4-79
SM v A265/A267
Rev. 04/2000
4.2.17 ID SENSOR ERROR ANALYSIS (SP2-221)................................ 4-80
4.3 USER TOOLS......................................................................................... 4-81
4.3.1 HOW TO ENTER AND EXIT USER TOOLS.................................. 4-81
4.3.2 USER TOOLS TABLE ................................................................... 4-81
System Setting Table......................................................................... 4-81
Copy Setting Table............................................................................. 4-82
4.4 LEDS ...................................................................................................... 4-83
BICU .................................................................................................. 4-83
IOB..................................................................................................... 4-83
4.5 SPECIAL TOOLS AND LUBRICANTS ................................................... 4-83
4.5.1 SPECIAL TOOLS........................................................................... 4-83
4.5.2 LUBRICANTS................................................................................ 4-83
4.6 ROM HISTORY ...................................................................................... 4-84
4.6.1 ROM HISTORY - BICU.................................................................. 4-84
PREVENTIVE MAINTENANCE
5. PREVENTIVE MAINTENANCE SCHEDULE................................5-1
5.1 PM TABLE................................................................................................ 5-1
REPLACEMENT AND ADJUSTMENT
6. REPLACEMENT AND ADJUSTMENT.........................................6-1
6.1 SCANNER UNIT....................................................................................... 6-1
6.1.1 EXPOSURE GLASS........................................................................ 6-1
6.1.2 SCANNER EXTERIOR/OPERATION PANEL ................................. 6-2
6.1.3 LENS BLOCK ASSEMBLY.............................................................. 6-3
6.1.4 ORIGINAL SIZE SENSORS/LAMP STABILIZER............................ 6-4
6.1.5 EXPOSURE LAMP.......................................................................... 6-5
6.1.6 SCANNER MOTOR......................................................................... 6-6
6.1.7 SCANNER WIRES........................................................................... 6-7
6.2 LASER UNIT........................................................................................... 6-10
6.2.1 CAUTION DECAL LOCATIONS.................................................... 6-10
6.2.2 LASER UNIT.................................................................................. 6-11
6.2.3 POLYGON MIRROR MOTOR ....................................................... 6-12
6.2.4 LD UNIT......................................................................................... 6-12
6.2.5 LASER SYNCHRONIZATION DETECTOR................................... 6-13
6.3 PHOTOCONDUCTOR UNIT (PCU)........................................................ 6-14
6.3.1 PCU............................................................................................... 6-14
6.4 TRANSFER UNIT................................................................................... 6-15
6.4.1 TRANSFER ROLLER UNIT........................................................... 6-15
6.4.2 IMAGE DENSITY SENSOR........................................................... 6-16
6.5 FUSING/EXIT......................................................................................... 6-17
6.5.1 FUSING UNIT................................................................................ 6-17
6.5.2 THERMISTOR............................................................................... 6-17
6.5.3 THERMOFUSE.............................................................................. 6-18
A265/A267 vi SM
Rev. 04/2000
6.5.4 HOT ROLLER AND FUSING LAMP.............................................. 6-19
6.5.5 PRESSURE ROLLER/CLEANING ROLLER ................................. 6-20
6.5.6 PAPER EXIT SENSOR/PAPER OVERFLOW SENSOR............... 6-21
6.6 PAPER FEED......................................................................................... 6-22
6.6.1 FEED ROLLERS............................................................................ 6-22
6.6.2 PAPER END SENSOR.................................................................. 6-23
6.6.3 PAPER TRAY LIFT MOTORS....................................................... 6-24
6.6.4 REGISTRATION CLUTCH............................................................. 6-25
6.6.5 PAPER FEED CLUTCHES............................................................ 6-26
Lower Paper Feed Clutch .................................................................. 6-26
Upper Paper Feed Clutch. ................................................................. 6-26
6.6.6 RELAY CLUTCHES....................................................................... 6-27
6.6.7 PAPER SIZE DETECTOR/SPECIAL PAPER SENSOR................ 6-28
6.6.8 REGISTRATION SENSOR............................................................ 6-29
6.6.9 RELAY SENSORS......................................................................... 6-30
Upper Relay Sensor........................................................................... 6-30
Lower Relay Sensor........................................................................... 6-30
6.7 PCBS AND OTHER ITEMS.................................................................... 6-31
6.7.1 BICU BOARD................................................................................. 6-31
6.7.2 I/O BOARD .................................................................................... 6-32
6.7.3 POWER PACK............................................................................... 6-32
6.7.4 MAIN MOTOR................................................................................ 6-33
6.7.5 PSU ............................................................................................... 6-34
6.8 COPY ADJUSTMENTS: PRINTING/SCANNING ................................... 6-35
6.8.1 PRINTING...................................................................................... 6-35
Registration - Leading Edge/Side-to-Side.......................................... 6-35
Blank Margin...................................................................................... 6-36
Main Scan Magnification.................................................................... 6-36
Parallelogram Image Adjustment....................................................... 6-37
6.8.2 SCANNING.................................................................................... 6-38
Registration: Platen Mode.................................................................. 6-38
Magnification...................................................................................... 6-38
Standard White Density Adjustment................................................... 6-39
6.8.3 ADF IMAGE ADJUSTMENT.......................................................... 6-40
Registration........................................................................................ 6-40
TROUBLESHOOTING
7. TROUBLESHOOTING.................................................................. 7-1
7.1 SERVICE CALL CONDITIONS................................................................. 7-1
7.1.1 SUMMARY....................................................................................... 7-1
7.1.2 SC CODE DESCRIPTIONS............................................................. 7-2
SC194: IPU White Level Detection Error ............................................. 7-4
SC546: Unstable fusing temperature................................................... 7-9
SC620: Communication error between IOB and ADF........................ 7-10
SC760: ADF gate abnormal............................................................... 7-14
SC900: Electrical total counter error .................................................. 7-14
SC901: Mechanical Total Counter ..................................................... 7-14
SM vii A265/A267
Rev. 04/2000
SC921: EMB (Copier feature expander) hardware error.................... 7-15
SC980: Program loading error ........................................................... 7-15
SC990: Communication error between BICU and IOB....................... 7-15
SC999: Program version error ........................................................... 7-15
7.2 PAPER FEED TROUBLESHOOTING.................................................... 7-16
7.3 SKEWED IMAGE.................................................................................... 7-17
7.4 TONER DENSITY ................................................................................... 7-18
7.4.1 ADJUST THE TONER DENSITY CONTROL ................................ 7-18
If the toner density is too low.............................................................. 7-18
If the toner density is too high ............................................................ 7-18
7.4.2 DIRTY BACKGROUND ................................................................. 7-18
7.5 ELECTRICAL COMPONENT DEFECTS................................................ 7-19
7.5.1 SENSORS ..................................................................................... 7-19
7.5.2 SWITCHES.................................................................................... 7-21
7.6 BLOWN FUSE CONDITIONS................................................................. 7-22
AUTO RECIRCULATING DOCUMENT FEEDER A858
1. OVERALL MACHINE INFORMATION.........................................8-1
1.1 SPECIFICATIONS.................................................................................... 8-1
1.2 MECHANICAL COMPONENT LAYOUT................................................... 8-2
1.3 ELECTRICAL COMPONENT LAYOUT.................................................... 8-3
1.4 ELECTRICAL COMPONENT DESCRIPTION.......................................... 8-4
1.5 DRIVE LAYOUT ....................................................................................... 8-5
2. DETAILED SECTION DESCRIPTIONS .......................................8-6
2.1 ORIGINAL SIZE DETECTION.................................................................. 8-6
1.2 PICK-UP AND SEPARATION................................................................... 8-9
1.3 ORIGINAL TRANSPORT AND EXIT...................................................... 8-10
1.3.1 SINGLE-SIDED ORIGINALS......................................................... 8-10
1.3.2 DOUBLE-SIDED ORIGINALS........................................................ 8-11
1.3.3 ORIGINAL TRAILING EDGE SENSOR......................................... 8-12
1.4 STAMP ................................................................................................... 8-13
1.5 TIMING CHARTS.................................................................................... 8-14
1.5.1 LT SIDEWAYS (SINGLE-SIDED ORIGINAL MODE) .................... 8-14
1.5.2 LT SIDEWAYS STAMP MODE
(SINGLE-SIDED ORIGINAL MODE)......................................... 8-15
1.5.3 LT SIDEWAYS (DOUBLE-SIDED ORIGINAL MODE)................... 8-16
1.5.4 LT SIDEWAYS STAMP MODE
(DOUBLE-SIDED ORIGINAL MODE) ....................................... 8-17
1.6 CONDITION OF JAM DETECTION........................................................ 8-18
1.7 OVERALL ELECTRICAL CIRCUIT......................................................... 8-19
3. REPLACEMENT AND ADJUSTMENT.......................................8-20
3.1 DF EXIT TABLE AND COVER ............................................................... 8-20
3.2 ORIGINAL FEED UNIT........................................................................... 8-21
3.3 LEFT COVER......................................................................................... 8-22
A265/A267 viii SM
Rev. 04/2000
3.4 PICK-UP ROLLER.................................................................................. 8-23
3.5 FEED BELT............................................................................................ 8-24
3.6 SEPARATION ROLLER ......................................................................... 8-25
3.7 ORIGINAL SET/ORIGINAL REVERSE SENSOR .................................. 8-26
3.8 ORIGINAL LENGTH, WIDTHSENSOR BOARD AND
TRAILING EDGE SENSOR.................................................................... 8-27
3.9 DF FEED CLUTCH/DF PICK-UP SOLENOID/ TRANSPORT/
DF FEED MOTORS................................................................................ 8-28
DF Feed Clutch.................................................................................. 8-28
Pick-up Solenoid................................................................................ 8-28
Transport Motor.................................................................................. 8-28
DF Feed Motor................................................................................... 8-28
3.10 REGISTRATION SENSOR................................................................... 8-29
3.11 STAMP SOLENOID AND ORIGINAL EXIT SENSOR .......................... 8-30
PAPER TRAY UNIT A860
1. OVERALL MACHINE INFORMATION.........................................9-1
1.1 SPECIFICATIONS.................................................................................... 9-1
1.2 MECHANICAL COMPONENT LAYOUT................................................... 9-2
1.3 ELECTRICAL COMPONENT LAYOUT.................................................... 9-3
1.4 ELECTRICAL COMPONENT DESCRIPTION.......................................... 9-4
1.5 DRIVE LAYOUT ....................................................................................... 9-5
2. DETAILED DESCRIPTIONS ........................................................ 9-6
2.1 PAPER FEED AND SEPARATION MECHANISM.................................... 9-6
2.2 PAPER LIFT MECHANISM ...................................................................... 9-7
2.3 PAPER END DETECTION ....................................................................... 9-9
2.4 PAPER HEIGHT DETECTION ............................................................... 9-10
1.5 PAPER SIZE DETECTION..................................................................... 9-12
1.6 SIDE AND END FENCES....................................................................... 9-13
Side Fences....................................................................................... 9-13
End Fence .......................................................................................... 9-13
3. REPLACEMENT AND ADJUSTMENT.......................................9-14
3.1 FEED ROLLER REPLACEMENT........................................................... 9-14
3.2 TRAY MAIN BOARD REPLACEMENT................................................... 9-15
3.3 TRAY MOTOR REPLACEMENT............................................................ 9-15
3.4 RELAY CLUTCH REPLACEMENT......................................................... 9-16
3.5 UPPER PAPER FEED CLUTCH REPLACEMENT................................. 9-17
3.6 LOWER PAPER FEED CLUTCH REPLACEMENT................................ 9-18
3.7 LIFT MOTOR REPLACEMENT .............................................................. 9-19
3.8 PAPER END SENSOR REPLACEMENT............................................... 9-20
3.9 VERTICAL TRANSPORT SENSOR REPLACEMENT ........................... 9-20
3.10 PAPER SIZE SWITCH REPLACEMENT.............................................. 9-21
SM ix A265/A267
LARGE CAPACITY TRAY A862
1. OVERALL MACHINE INFORMATION ...................................... 10-1
1.1 SPECIFICATIONS .................................................................................. 10-1
1.2 MECHANICAL COMPONENT LAYOUT ................................................. 10-2
1.3 ELECTRICAL COMPONENT LAYOUT...................................................10-3
1.4 ELECTRICAL COMPONENT DESCRIPTIONS ...................................... 10-4
2. DETAILED SECTION DESCRIPTIONS..................................... 10-5
2.1 PAPER FEED..........................................................................................10-5
2.2 REVERSE ROLLER AND PICK-UP ROLLER RELEASE ....................... 10-6
2.3 TRAY LIFT ..............................................................................................10-7
2.4 NEAR END/END DETECTION................................................................10-8
2.5 RIGHT TRAY SIDE FENCE .................................................................... 10-9
2.6 LEFT TRAY REAR FENCE..................................................................... 10-9
2.7 RIGHT TRAY PAPER END DETECTION ............................................. 10-10
3. REPLACEMENT AND ADJUSTMENT .................................... 10-11
3.1 DETACHING THE TRAY FROM THE MAINFRAME ............................10-11
Rear Fence HP Sensor.....................................................................10-11
3.3 CHANGING THE TRAY PAPER SIZE .................................................. 10-12
3.4 LEFT TRAY PAPER END SENSOR ..................................................... 10-12
3.5 TRAY LIFT MOTOR.............................................................................. 10-13
3.6 TRAY MOTOR ...................................................................................... 10-14
3.7 PAPER FEED CLUTCH AND RELAY CLUTCH ...................................10-15
3.8 PAPER FEED UNIT .............................................................................. 10-16
3.9 UPPER LIMIT, RIGHT TRAY PAPER END, AND
RELAY SENSORS................................................................................ 10-17
3.10 REAR FENCE MOTOR....................................................................... 10-18
3.11 PICK-UP/PAPER FEED/REVERSE ROLLERS .................................. 10-19
BY-PASS UNIT A899
1 OVERALL MACHINE INFORMATION ....................................... 11-1
1.1 SPECIFICATIONS .................................................................................. 11-1
1.2 MECHANICAL COMPONENT LAYOUT ................................................. 11-1
1.3 ELECTRICAL COMPONENT LAYOUT...................................................11-2
1.4 ELECTRICAL COMPONENT DESCRIPTION ........................................11-2
2 DETAILED DESCRIPTIONs........................................................... 11-3
2.1 BASIC OPERATION ............................................................................... 11-3
2.2 PAPER SIZE DETECTION .....................................................................11-4
3 REPLACEMENT AND ADJUSTMENT ........................................... 11-5
3.1 PAPER FEED ROLLER/FRICTION PAD/PAPER END SENSOR ..........11-5
3.2 PAPER SIZE SENSOR BOARD .............................................................11-6
3.3 PAPER FEED CLUTCH..........................................................................11-7
A265/A267 x SM
INTERCHANGE UNIT B300
1. OVERALL MACHINE INFORMATION ...................................... 12-1
1.1 SPECIFICATIONS .................................................................................. 12-1
1.2 MECHANICAL COMPONENT LAYOUT ................................................. 12-2
1.3 DRIVE LAYOUT...................................................................................... 12-3
2. DETAILED DESCRIPTION ........................................................ 12-4
2.1 JUNCTION GATE MECHANISM.............................................................12-4
To the Exit Tray or Bridge Unit (for the Upper Tray on top of
the Bridge Unit, or the Finisher).......................................................... 12-4
To the 1-bin Tray ................................................................................ 12-4
To the Duplex Unit.............................................................................. 12-4
3. REPLACEMENT AND ADJUSTMENT ...................................... 12-5
3.1 EXIT SENSOR REPLACEMENT ............................................................ 12-5
DUPLEX A896
1. OVERALL MACHINE INFORMATION ...................................... 13-1
1.1 SPECIFICATIONS .................................................................................. 13-1
1.2 MECHANICAL COMPONENT LAYOUT ................................................. 13-2
1.3 ELECTRICAL COMPONENT LAYOUT...................................................13-3
1.4 ELECTRICAL COMPONENT DESCRIPTION ........................................13-4
1.5 DRIVE LAYOUT...................................................................................... 13-5
2. DETAILED DESCRIPTIONS...................................................... 13-6
2.1 BASIC OPERATION ............................................................................... 13-6
Larger than A4 lengthwise/LT Lengthwise.......................................... 13-6
Up to A4 Lengthwise/LT lengthwise ................................................... 13-7
2.2 FEED IN AND EXIT MECHANISM.......................................................... 13-8
When Paper is Fed Into Duplex Unit: ................................................. 13-8
Inversion and Exit: .............................................................................. 13-8
3. REPLACEMENT AND ADJUSTMENT ...................................... 13-9
3.1 COVER REMOVAL................................................................................. 13-9
3.2 ENTRANCE SENSOR REPLACEMENT............................................... 13-10
3.3 EXIT SENSOR REPLACEMENT .......................................................... 13-11
1 BIN TRAY UNIT A898
1. OVERALL INFORMATION ........................................................ 14-1
1.1 SPECIFICATIONS .................................................................................. 14-1
1.2 MECHANICAL COMPONENT LAYOUT ................................................. 14-2
1.3 ELECTRICAL COMPONENT LAYOUT...................................................14-3
SM xi A265/A267
1.4 ELECTRICAL COMPONENT DESCRIPTION ........................................14-3
2. DETAILED SECTION DESCRIPTIONS..................................... 14-4
2.1 BASIC OPERATION ............................................................................... 14-4
3. REPLACEMENT AND ADJUSTMENT ...................................... 14-5
3.1 PAPER SENSOR REMOVAL .................................................................14-5
BRIDGE UNIT A897
1. OVERALL MACHINE INFORMATION ...................................... 15-1
1.1 SPECIFICATIONS .................................................................................. 15-1
1.2 MECHANICAL COMPONENT LAYOUT ................................................. 15-2
1.3 ELECTRICAL COMPONENT LAYOUT...................................................15-3
1.4 ELECTRICAL COMPONENT DESCRIPTION ........................................15-4
1.5 DRIVE LAYOUT...................................................................................... 15-5
2. DETAILED DESCRIPTION ........................................................ 15-6
2.1 JUNCTION GATE MECHANISM.............................................................15-6
3. REPLACEMENT AND ADJUSTMENT ...................................... 15-7
3.1 BRIDGE UNIT DRIVE MOTOR REPLACEMENT ................................... 15-7
3.2 TRAY EXIT SENSOR REPLACEMENT.................................................. 15-8
3.3 RELAY SENSOR REPLACEMENT.........................................................15-8
SHIFT TRAY UNIT B313
1 OVERALL MACHINE INFORMATION ....................................... 16-1
1.1 SPECIFICATIONS .................................................................................. 16-1
1.2 COMPONENT LAYOUT.......................................................................... 16-2
2. DETAILED SECTION DESCRIPTIONS..................................... 16-3
2.1 BASIC OPERATION ............................................................................... 16-3
2.2 PRIMARY MECHANISMS....................................................................... 16-4
2.2.1 TRAY SHIFT ..................................................................................16-4
2.2.2 HALF TURN DETECTION..............................................................16-5
3. REPLACEMENT AND ADJUSTMENT ...................................... 16-6
3.1 TRAY COVER REPLACEMENT ............................................................. 16-6
3.1.1 TRAY COVER REMOVAL..............................................................16-6
3.1.2 TRAY COVER ATTACHMENT....................................................... 16-6
3.2 TRAY MOTOR AND HALF TURN SENSOR REPLACEMENT............... 16-7
3.2.1 REPLACING THE TRAY MOTOR.................................................. 16-7
3.2.2 REPLACING THE HALF TURN SENSOR: .................................... 16-7
A265/A267 xii SM
Rev. 03/2000
FINISHER A681
1. OVERALL MACHINE INFORMATION.......................................17-1
1.1 SPECIFICATIONS.................................................................................. 17-1
1.2 MECHANICAL COMPONENT LAYOUT................................................. 17-2
1.3 ELECTRICAL COMPONENT LAYOUT.................................................. 17-3
1.4 ELECTRICAL COMPONENT DESCRIPTIONS...................................... 17-4
1.5 DRIVE LAYOUT ..................................................................................... 17-6
2. DETAILED DESCRIPTIONS ...................................................... 17-7
2.1 JUNCTION GATE MECHANISM............................................................ 17-7
Staple Mode....................................................................................... 17-7
No staple Mode.................................................................................. 17-7
2.2 JOGGER UNIT PAPER POSITIONING MECHANISM........................... 17-8
2.3 EXIT GUIDE PLATE OPEN/CLOSE MECHANISM................................ 17-9
2.4 STAPLER ..............................................................................................17-10
2.5 FEED OUT MECHANISM......................................................................17-11
2.6 SHIFT TRAY UP/DOWN MECHANISM.................................................17-12
2.7 SHIFT TRAY SIDE-TO-SIDE MECHANISM..........................................17-13
2.8 JAM CONDITIONS................................................................................17-14
2.9 TIMING CHARTS...................................................................................17-15
2.9.1 NO STAPLE MODE (A4 SIDEWAYS, 3 SHEETS/2SETS)...........17-15
2.9.2 STAPLE MODE (A4 SIDEWAYS, 2 SHEETS/2 SETS) ................17-16
3. SERVICE TABLE .....................................................................17-17
3.1 DIP SWITCH TABLE .............................................................................17-17
3.2 TEST POINTS.......................................................................................17-17
3.3 FUSES...................................................................................................17-17
4. REPLACEMENT AND ADJUSTMENT.....................................17-18
4.1 COVER REMOVAL................................................................................17-18
Front Door.........................................................................................17-18
Front Cover.......................................................................................17-18
Rear Cover........................................................................................17-18
Upper Cover......................................................................................17-18
Lower Left Cover...............................................................................17-19
Front Shift Tray Cover.......................................................................17-19
Rear Shift Tray Cover .......................................................................17-19
Shift Tray...........................................................................................17-19
4.2 ENTRANCE SENSOR REPLACEMENT...............................................17-20
4.3 EXIT SENSOR REPLACEMENT...........................................................17-21
4.4 STACK HEIGHT SENSOR REPLACEMENT ........................................17-22
4.5 POSITIONING ROLLER REPLACEMENT............................................17-23
4.6 STAPLER REPLACEMENT...................................................................17-24
4.7 ROM HISTORY .....................................................................................17-25
SM xiii A265/A267
Rev. 05/2000
SCANNER KIT A844
1. OVERALL MACHINE INFORMATION ....................................... 18-1
1.1 SPECIFICATIONS................................................................................... 18-1
1.1.1 SCANNER CONTROL BOARD ...................................................... 18-1
1.1.2 DRAM SIMM................................................................................... 18-1
1.2 SOFTWARE ............................................................................................ 18-2
1.2.1 SCANNER DRIVERS ..................................................................... 18-2
1.2.2 SCANNER UTILITIES..................................................................... 18-2
2. DETAILED SECTION DESCRIPTIONS...................................... 18-3
2.1 HARDWARE OVERVIEW ....................................................................... 18-3
2.2 SCANNER FUNCTIONS ......................................................................... 18-5
2.2.1 SELF DIAGNOSTICS ..................................................................... 18-5
2.2.2. IMAGE PROCESSING IN THE SCANNER CONTROLLER................ 18-5
3. INSTALLATION PROCEDURE .................................................. 18-6
4. SERVICE TABLE ....................................................................... 18-9
4.1 SERVICE PROGRAM MODE.................................................................. 18-9
4.1.1 SERVICE PROGRAM ACCESS PROCEDURE ............................. 18-9
4.1.2 SERVICE PROGRAM MODE TABLES .......................................... 18-9
4.2 DOWNLOADING NEW SOFTWARE..................................................... 18-11
4.2.1 SOFTWARE DOWNLOAD PROCEDURE.................................... 18-11
4.2.2 ERROR MESSAGES DURING THE SOFTWARE DOWNLOAD . 18-12
5. REPLACEMENT AND ADJUSTMENT ..................................... 18-12
5.1 NOTE FOR REPLACING THE SCANNER CONTROLLER BOARD..... 18-13
6. TROUBLESHOOTING.............................................................. 18-14
6.1 SERVICE CALL CONDITION................................................................ 18-14
6.1.1 SC CODE DESCRIPTIONS.......................................................... 18-14
6.2 LEDS ..................................................................................................... 18-15
6.3 FIRMWARE HISTORY .......................................................................... 18-16
6.3.4 A844 FIRMWARE MODIFICATION HISTORY ............................. 18-16
A265/A267 xiv SM
!
IMPORTANT SAFETY NOTICES
PREVENTION OF PHYSICAL INJURY
1. Before disassembling or assembling parts of the copier and peripherals,
make sure that the copier power cord is unplugged.
2. The wall outlet should be near the copier and easily accessible.
3. If any adjustment or operation check has to be made with exterior covers off
or open while the main switch is turned on, keep hands away from electrified
or mechanically driven components.
4. If a job has started before the copier completes the warm-up or initializing
period, keep hands away from the mechanical and electrical components
because the starts making copies as soon as the warm-up period is
completed.
5. The inside and the metal parts of the fusing unit become extremely hot while
the copier is operating. Be careful to avoid touching those components with
your bare hands.
HEALTH SAFETY CONDITIONS
Toner is non-toxic, but if you get it in your eyes by accident, it may cause
temporary eye discomfort. Try to remove with eye drops or flush with water as
first aid. If unsuccessful, get medical attention.
SAFETY AND ECOLOGICAL NOTES FOR DISPOSAL
1. Do not incinerate the toner cassettes. Toner dust may ignite suddenly when
exposed to an open flame.
2. Dispose of toner cassettes in accordance with local regulations. (This is a
non-toxic unit.)
3. Dispose of replaced parts in accordance with local regulations.
i
LASER SAFETY
The Center for Devices and Radiological Health (CDRH) prohibits the repair of
laser-based optical units in the field. The optical housing unit can only be repaired
in a factory or at a location with the requisite equipment. The laser subsystem is
replaceable in the field by a qualified Customer Engineer. The laser chassis is not
repairable in the field. Customer engineers are therefore directed to return all
chassis and laser subsystems to the factory or service depot when replacement of
the optical subsystem is required.
!
WARNING
Use of controls, or adjustment, or performance of procedures other than
those specified in this manual may result in hazardous radiation exposure.
!
WARNING FOR LASER UNIT
WARNING: Turn off the main switch before attempting any of the
procedures in the Laser Unit section. Laser beams can
seriously damage your eyes.
CAUTION MARKING:
laser-4.WMF
ii
OVERALL INFORMATION
PAPER TRAY UNIT A860
DETAILED DESCRIPTIONS
LARGE CAPACITY TRAY A862
INSTALLATION
BY-PASS UNIT A899
SERVICE TABLES
INTERCHANGE UNIT B300
FINISHER A681
SCANNER KIT A844
FAX UNIT A895
ISDN UNIT A895
TAB
POSITION 1
TAB
POSITION 2
TAB
POSITION 3
TAB
POSITION 4
PREVENTIVE MAINTENANCE
DUPLEX A896
PRINTER CONTROLLER B306
REPLACEMENT AND ADJUSTMENT
1 BIN TRAY UNIT A898
NETWORK INTERFACE BOARD B307
TROUBLESHOOTING
BRIDGE UNIT A897
AUTO RECIRCULATING DOCUMENT FEEDER A858
SHIFT TRAY UNIT B313
TAB
POSITION 5
TAB
POSITION 6
TAB
POSITION 7
TAB
POSITION 8
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