Ricoh Aficio 220 User manual

A265/A267
SERVICE MANUAL
000882MIU
RICOH GROUP COMPANIES

A265/A267
SERVICE MANUAL
RICOH GROUP COMPANIES
®
®

A265/A267
SERVICE MANUAL
000882MIU

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 utili ing
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
WARNING

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

SM i A265/A267
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 optio s ......................................................................................1-7
Fax a d pri ter optio s ......................................................................... 1-7
Sca er optio ..................................................................................... 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
I the SBU ............................................................................................2-7
I the IPU.............................................................................................. 2-7
“Service Mode” Origi al Types ............................................................2-7
2.2.4 IPU (IMAGE PROCESSING UNIT) .................................................. 2-8
Overview............................................................................................... 2-8
Image Processi g Modes ..................................................................... 2-9
Image Processi g Path.......................................................................2-11
SP Modes for Each Image Processi g Step....................................... 2-12
Auto Shadi g ...................................................................................... 2-18
White Li e Erase Compe satio ........................................................ 2-18
Black Li e Erase Compe satio ......................................................... 2-18
Sca er Gamma (γ Correctio ...........................................................2-19

A265/A267 ii SM
Mai Sca Mag ificatio /Reductio ................................................... 2-20
Mirrori g for ADF Mode ...................................................................... 2-20
Filteri g............................................................................................... 2-21
ID Gamma (γ) Correctio ....................................................................2-25
Gradatio Processi g ......................................................................... 2-25
Li e width correctio ........................................................................... 2-27
2.2.5 MEMORY CONTROLLER AND ENHANCED MEMORY
BOARD (EMB) .............................................................................. 2-28
2.2.6 VIDEO CONTROL UNIT (VCU) ..................................................... 2-29
Fi e Character a d Image (FCI).........................................................2-29
Pri ter Gamma Correctio .................................................................. 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
Correctio for E viro me tal Co ditio s ............................................ 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
To er bottle reple ishme t mecha ism.............................................. 2-44
To er supply mecha ism.................................................................... 2-45
2.6.6 TONER DENSITY CONTROL........................................................2-46
Overview............................................................................................. 2-46
To er de sity se sor i itial setti g .....................................................2-48
To er de sity measureme t ...............................................................2-48
Vsp/Vsg detectio ............................................................................... 2-48
To er supply refere ce voltage (Vref) determi atio .......................... 2-48
To er supply determi atio ................................................................ 2-48
To er Supply Motor O Time Determi atio s ....................................2-49
2.6.7 TONER SUPPLY IN ABNORMAL SENSOR CONDITIONS........... 2-50
ID se sor ............................................................................................ 2-50
TD Se sor .......................................................................................... 2-50
2.6.8 TONER NEAR END/END DETECTION AND RECOVERY............ 2-50
To er Near E d Detectio .................................................................. 2-50
To er Near E d Recovery.................................................................. 2-51
To er E d Detectio ........................................................................... 2-51
To er E d Recovery........................................................................... 2-51

SM iii A265/A267
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 Adjustme t ................................................................. 2-61
Effect of the Amou t of Remai i g 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 Fe ces........................................................................................ 2-65
E d Fe ce .......................................................................................... 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 Co trol...........................................................................2-74
Fusi g Lamp Co trol .......................................................................... 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
E teri g the e ergy saver mode.........................................................2-78
What happe s i e ergy saver mode ................................................. 2-78
Retur to sta d-by mode .................................................................... 2-78
2.11.3 LOW POWER MODE................................................................... 2-79
E teri g the low power mode ............................................................. 2-79
What happe s i low power mode......................................................2-79
Retur to sta d-by mode .................................................................... 2-79
2.11.4 AUTO OFF MODE........................................................................2-80
E teri g auto off mode .......................................................................2-80

A265/A267 iv SM
What happe s i auto off mode..........................................................2-80
Retur i g to sta d-by mode ............................................................... 2-80
Disabli g auto off mode...................................................................... 2-80
2.11.5 NIGHT MODE ..............................................................................2-81
E teri g ight sta d-by a d ight modes ...........................................2-81
What happe s i ight sta d-by a d ight modes.............................. 2-81
Retur i g to sta d-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

SM v A265/A267
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
Accessi g Copy Mode from withi a SP Mode ................................... 4-4
How to Select the Program Number ..................................................... 4-4
To i put a value or setti g for a 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
I put 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
Usi g a Flash Memory Card ............................................................... 4-71
Without Usi g a Flash Memory Card..................................................4-71
4.2.10 PROGRAM UPLOAD/DOWNLOAD .............................................4-72
Program Dow load (SP5-827)............................................................ 4-72
Program Upload (SP5-826) ................................................................ 4-73
4.2.11 NVRAM DATA DOWNLOAD........................................................ 4-74
NVRAM Data Dow load (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

A265/A267 vi SM
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
Rev. 04/2000

SM vii A265/A267
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
Rev. 04/2000

A265/A267 viii SM
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
Rev. 04/2000

SM ix A265/A267
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
Rev. 04/2000

A265/A267 x SM
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 AD USTMENT .................................... 10-11
3.1 DETACHING THE TRAY FROM THE MAINFRAME ............................ 10-11
Rear Fe ce HP Se sor..................................................................... 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