Ricoh G035 User manual

SERVICE MANUAL
000872MIU
G035
RICOH GROUP COMPANIES

SERVICE MANUAL
G035
RICOH GROUP COMPANIES
®
®

G035
SERVICE MANUAL
MIU000872

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site is intended to convey endorsement or other affiliation with Ricoh products.
2000 RICOH Corporation. All rights reserved.

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.
RicohCorporation
WARNING

LEGEND
PRODUCT CODE COMPANY
GESTETNER RICOH SAVIN
G035 P7045 AP4500 SLP45
DOCUMENTATION HISTORY
REV. NO. DATE COMMENTS
*10/99 Original Printing
1 08/2000 A683, G909/G912, A688, A681,
A697 Addition

SM i G035
TABLE OF CONTENTS
OVERALL INFORMATION
1. OVERALL MACHINE INFORMATION ........................................1-1
1.1 SPECIFICATIONS .................................................................................... 1-1
1.1.1 PRINTER.......................................................................................... 1-1
1.1.2 NETWORK INTERFACE BOARD .................................................... 1-4
1.2 PAPER EXIT TRAY SELECTION ............................................................. 1-5
1.3 MACHINE CONFIGURATION...................................................................1-6
1.3.1 SYSTEM COMPONENTS ................................................................ 1-6
1.3.2 INSTALLABLE OPTION TABLE....................................................... 1-
1.4 MECHANICAL COMPONENT LAYOUT ................................................... 1-8
1.5 PAPER PATH............................................................................................ 1-9
1.6 ELECTRICAL COMPONENT DESCRIPTIONS ...................................... 1-10
1. DRIVE LAYOUT ...................................................................................... 1-13
1.8 PRINT PROCESS...................................................................................1-15
1.8.1 OVERVIEW .................................................................................... 1-15
1.9 BOARD STRUCTURE ............................................................................1-1
1.9.1 BLOCK DIAGRAM.......................................................................... 1-1
1.9.2 DESCRIPTIONS ............................................................................1-18
DETAILED DESCRIPTIONS
2. DETAILED SECTION DESCRIPTIONS.......................................2-1
2.1 PRINTER CONTROLLER ......................................................................... 2-1
2.1.1 HARDWARE OVERVIEW ................................................................ 2-1
2.1.2 IMAGE PRINTING............................................................................ 2-3
2.1.3 IMAGE DATA PROCESSING ..........................................................2-4
2.1.4 FEATURES ...................................................................................... 2-5
2.1.5 HARD DISK...................................................................................... 2-8
2.1.6 PAPER OVERFLOW DETECTION .................................................. 2-9
2.2 LASER EXPOSURE................................................................................ 2-10
2.2.1 OVERVIEW .................................................................................... 2-10
2.2.2 OPTICAL PATH ............................................................................. 2-11
2.2.3 AUTO POWER CONTROL (APC).................................................. 2-12
2.2.4 DUAL BEAM WRITING .................................................................. 2-13
2.2.5 LASER BEAM PITCH CHANGE MECHANISM.............................. 2-14
2.2.6 LD SAFETY SWITCHES ................................................................ 2-15
2.3 PHOTOCONDUCTOR UNIT (PCU) ........................................................ 2-16
2.3.1 OVERVIEW .................................................................................... 2-16
2.3.2 DRIVE MECHANISM......................................................................2-1
2.4 DRUM CHARGE ..................................................................................... 2-18
2.4.1 OVERVIEW .................................................................................... 2-18
2.4.2 CHARGE ROLLER VOLTAGE CORRECTION.............................. 2-19
2.4.3 ID SENSOR PATTERN PRODUCTION TIMING ...........................2-21
2.4.4 DRUM CHARGE ROLLER CLEANING.......................................... 2-21

G035 ii SM
2.5 DEVELOPMENT .....................................................................................2-22
2.5.1 OVERVIEW .................................................................................... 2-22
2.5.2 DRIVE MECHANISM......................................................................2-23
2.5.3 DEVELOPER MIXING....................................................................2-24
2.5.4 DEVELOPMENT BIAS ................................................................... 2-25
2.5.5 TONER SUPPLY............................................................................ 2-26
2.5.6 TONER DENSITY CONTROL........................................................ 2-28
2.5. TONER NEAR END/END DETECTION ......................................... 2-31
2.5.8 TONER END RECOVERY ............................................................. 2-33
2.5.9 TONER SUPPLY IN ABNORMAL SENSOR CONDITIONS........... 2-34
2.6 DRUM CLEANING AND TONER RECYCLING ......................................2-35
2.6.1 DRUM CLEANING .........................................................................2-35
2.6.2 TONER RECYCLING ..................................................................... 2-36
2. PAPER FEED.......................................................................................... 2-3
2. .1 OVERVIEW .................................................................................... 2-3
2. .2 PAPER FEED DRIVE MECHANISM.............................................. 2-38
2. .3 PICK-UP AND SEPARATION ROLLER RELEASE
MECHANISM .................................................................................2-39
2. .4 PAPER LIFT MECHANISM ............................................................ 2-40
2. .5 PAPER END DETECTION.............................................................2-42
2. .6 PAPER HEIGHT DETECTION ....................................................... 2-43
2. . PAPER REGISTRATION ............................................................... 2-44
2. .8 PAPER SIZE DETECTION............................................................. 2-45
2. .9 PAPER FEED AND JAM TIMING .................................................. 2-46
2.8 BY-PASS FEED ...................................................................................... 2-4
2.8.1 BASIC OPERATION....................................................................... 2-4
2.9 IMAGE TRANSFER AND PAPER SEPARATION................................... 2-48
2.9.1 OVERVIEW .................................................................................... 2-48
2.9.2 BELT DRIVE MECHANISM............................................................ 2-49
2.9.3 IMAGE TRANSFER AND PAPER SEPARATION
MECHANISM .................................................................................2-49
2.9.4 TRANSFER BELT UNIT CONTACT MECHANISM........................ 2-51
2.9.5 TRANSFER BELT CHARGE..........................................................2-52
2.9.6 TRANSFER BELT CLEANING MECHANISM ................................ 2-53
2.10 IMAGE FUSING AND PAPER EXIT...................................................... 2-54
2.10.1 OVERVIEW .................................................................................. 2-54
2.10.2 FUSING DRIVE AND RELEASE MECHANISM ........................... 2-55
2.10.3 FUSING ENTRANCE GUIDE SHIFT MECHANISM..................... 2-56
2.10.4 PRESSURE ROLLER ..................................................................2-5
2.10.5 CLEANING MECHANISM ............................................................ 2-5
2.10.6 FUSING TEMPERATURE CONTROL ......................................... 2-58
2.10. OVERHEAT PROTECTION ......................................................... 2-59
2.11 DUPLEX................................................................................................2-60
2.11.1 BASIC OPERATION..................................................................... 2-60
2.11.2 FEED IN AND EXIT MECHANISM ...............................................2-62
2.12 ENERGY SAVER MODE ...................................................................... 2-63
2.13 NEW UNIT DETECTION MECHANISM ................................................ 2-64

SM iii G035
INSTALLATION
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 PRINTER INSTALLATION ........................................................................ 3-4
3.2.1 CONNECTING THE INTERFACE CABLES..................................... 3-4
3.2.2 CHECKING THE CONNECTION ..................................................... 3-4
3.2.3 HARD DISK DRIVE INSTALLATION (A8 3)....................................3-7
3.3 NETWORK INTERFACE BOARD (NIB) INSTALLATION ......................... 3-8
3.3.1 SERIAL NUMBER AND MAC ADDRESS ........................................3-8
3.3.2 STATUS SHEET .............................................................................. 3-8
3.3.3 PROGRAMMING NETWORK/PROTOCOL PARAMETERS............ 3-9
3.3.4 SETUP FOR VARIOUS NETWORK TYPES.................................. 3-12
3.4 BRIDGE UNIT INSTALLATION (A688) ...................................................3-14
3.4.1 ACCESSORY CHECK ...................................................................3-14
3.4.2 INSTALLATION PROCEDURE ...................................................... 3-1
3. LCT INSTALLATION (A683) ................................................................... 3-18
3. .1 ACCESSORY CHECK ................................................................... 3-18
3. .2 INSTALLATION PROCEDURE ...................................................... 3-19
3.6 1,000-SHEET FINISHER INSTALLATION (A681) .................................. 3-21
3.6.1 ACCESSORY CHEK ...................................................................... 3-21
3.6.2 INSTALLATION PROCEDURE ...................................................... 3-22
3.7 3,000-SHEET FINISHER INSTALLATION (A697) .................................. 3-2
3.7.1 ACCESSORY CHECK ...................................................................3-2
3.7.2 INSTALLATION PROCEDURE ...................................................... 3-26
3.8 MAILBOX INSTALLATION (G909).......................................................... 3-30
3.8.1 ACCESSORY CHECK ...................................................................3-30
3.8.2 REQUIREMENT OPTIONS FOR MAIN MACHINE........................ 3-30
3.8.3 INSTALLATION PROCEDURE ...................................................... 3-31
3.9 BRIDGE UNIT FOR MAILBOX INSTALLATION (G912) ......................... 3-34
3.9.1 ACCESSORY CHECK ...................................................................3-34
3.9.2 INSTALLATION PROCEDURE ...................................................... 3-3
3.10 PUNCH UNIT INSTALLATION.............................................................. 3-40
3.10.1 ACCESSORY CHECK .................................................................3-40
3.10.2 INSTALLATION PROCEDURE .................................................... 3-41
3.11 DRAM SIMM ......................................................................................... 3-44
3.11.1 ....................................................................................................... 3-44
3.11.2 ....................................................................................................... 3-44
SERVICE TABLES
4. SERVICE TABLES ...................................................................... 4-1
4.1 GENERAL CAUTIONS.............................................................................. 4-1
4.1.1 DRUM............................................................................................... 4-1
4.1.2 TRANSFER BELT UNIT................................................................... 4-2
Rev. 08/2000

G035 iv SM
4.1.3 LASER UNIT .................................................................................... 4-2
4.1.4 CHARGE ROLLER........................................................................... 4-2
4.1.5 DEVELOPMENT .............................................................................. 4-2
4.1.6 FUSING UNIT ..................................................................................4-3
4.1. PAPER FEED................................................................................... 4-3
4.1.8 USED TONER..................................................................................4-3
4.2 SERVICE PROGRAM MODE ................................................................... 4-4
4.2.1 SERVICE PROGRAM MODE OPERATION ....................................4-4
4.2.2 SERVICE PROGRAM MODE TABLES............................................ 4-6
4.2.3 TEST PATTERN PRINTING (SP2-12) ........................................... 4-14
4.2.4 INPUT CHECK ............................................................................... 4-15
4.2.5 OUTPUT CHECK ........................................................................... 4-18
4.2.6 SYSTEM PARAMETER AND DATA LISTS (SMC LISTS) ............. 4-19
4.2. MEMORY ALL CLEAR (SP2-18).................................................... 4-19
4.2.8 SOFTWARE RESET ...................................................................... 4-20
4.2.9 PRINTER RESTART AND MENU RESET (USER MENU) ............ 4-20
4.3 DOWNLOADING NEW FIRMWARE ....................................................... 4-21
4.3.1 FIRMWARE UPDATE USING A FLASH MEMORY CARD
(SP1-1-2 AND 1-2-2)...................................................................... 4-21
4.3.2 FIRMWARE UPDATE FROM PARALLEL PORT
(SP1-1-1 AND 1-2-1)...................................................................... 4-22
4.3.3 FORMATING THE HARD DISK (SP1-4) ........................................ 4-22
4.3.4 PARALLEL LOOP BACK TEST (SP1-9) ........................................ 4-23
4.4 DOWNLOADING NEW SOFTWARE ...................................................... 4-24
4.5 NETWORK INTERFACE BOARD...........................................................4-25
4.5.1 FACTORY RESET (NVRAM CLEAR) ............................................ 4-25
4.5.2 FLASH ROM UPDATE ................................................................... 4-26
4.6 USER MENU...........................................................................................4-33
4.6.1 HOW TO ENTER AND EXIT USER MENU.................................... 4-33
4.6.2 USER MENU TABLE......................................................................4-33
4. TEST POINTS/DIP SWITCHES/LEDS.................................................... 4-35
4. .1 DIP SWITCHES .............................................................................4-35
4. .2 JUMPER PINS ............................................................................... 4-36
4. .3 TEST POINTS................................................................................4-36
4. .4 LEDS.............................................................................................. 4-3
4.8 SPECIAL TOOLS AND LUBRICANTS.................................................... 4-3
4.8.1 SPECIAL TOOLS ........................................................................... 4-3
4.8.2 LUBRICANTS................................................................................. 4-3
PREVENTIVE MAINTENANCE
5. PREVENTIVE MAINTENANCE SCHEDULE............................... 5-1
5.1 PM TABLE ................................................................................................5-1
REPLACEMENT AND ADJUSTMENT
. REPLACEMENT AND ADJUSTMENT ........................................ -1
6.1 LASER UNIT ............................................................................................. 6-1
6.1.1 CAUTION DECAL LOCATIONS....................................................... 6-1

SM v G035
6.1.2 LASER UNIT .................................................................................... 6-2
6.1.3 POLYGON MIRROR MOTOR.......................................................... 6-3
6.1.4 LASER SYNCHRONIZATION DETECTOR .....................................6-4
6.1.5 LD UNIT ........................................................................................... 6-4
6.2 PHOTOCONDUCTOR UNIT (PCU) AND DEVELOPMENT UNIT ............ 6-6
6.3 PHOTOCONDUCTOR UNIT (PCU) .......................................................... 6-6
6.3.1 PCU.................................................................................................. 6-6
6.3.2 DRUM............................................................................................... 6-
6.3.3 PICK-OFF PAWLS ........................................................................... 6-8
6.3.4 CHARGE ROLLER/CHARGE ROLLER CLEANING PAD................ 6-9
6.3.5 DRUM CLEANING BLADE............................................................. 6-10
6.3.6 ID SENSOR.................................................................................... 6-10
6.4 DEVELOPMENT ..................................................................................... 6-11
6.4.1 DEVELOPMENT UNIT ...................................................................6-11
6.4.2 DEVELOPMENT FILTER...............................................................6-12
6.4.3 DEVELOPMENT ROLLER.............................................................6-13
6.4.4 DEVELOPER .................................................................................6-14
6.4.5 TD SENSOR ..................................................................................6-15
6.5 DUPLEX..................................................................................................6-16
6.5.1 DUPLEX UNIT................................................................................ 6-16
6.5.2 DUPLEX UNIT COVER .................................................................. 6-1
6.5.3 ENTRANCE SENSOR.................................................................... 6-1
6.5.4 EXIT SENSOR ............................................................................... 6-18
6.6 TRANSFER UNIT.................................................................................... 6-19
6.6.1 TRANSFER BELT UNIT................................................................. 6-19
6.6.2 TRANSFER BELT .......................................................................... 6-20
6.6.3 TRANSFER BELT CLEANING BLADE/TONER OVERFLOW
SENSOR ........................................................................................ 6-21
6.6.4 RIGHT COVER ..............................................................................6-22
6. BY-PASS FEED ...................................................................................... 6-23
6. .1 BY-PASS FEED UNIT .................................................................... 6-23
6. .2 BY-PASS FEED UNIT COVERS.................................................... 6-24
6. .3 PAPER FEED AND PICK-UP ROLLER ......................................... 6-25
6. .4 SEPARETION ROLLER ................................................................. 6-26
6. .5 PAPER END SENSOR AND PICK-UP SELENOID .......................6-2
6. .6 PAPER SIZE SENSOR BOARD ....................................................6-28
6. . BY-PASS TABLE ...........................................................................6-29
6. .8 PAPER FEED CLUTCH ................................................................. 6-30
6.8 PAPER FEED..........................................................................................6-31
6.8.1 PICK-UP, SEPARATION, AND FEED ROLLERS .......................... 6-31
6.8.2 LOWER RIGHT COVER/LOWER REAR COVER.......................... 6-32
6.8.3 RELAY/UPPER PAPER FEED/LOWER PAPER FEED
CLUTCHES .................................................................................... 6-33
6.8.4 UPPER PAPER FEED UNIT .......................................................... 6-34
6.8.5 LOWER PAPER FEED UNIT ......................................................... 6-35
6.8.6 PAPER END/PAPER HEIGHT/RELAY SENSORS........................ 6-36
6.8. REGISTRATION SENSOR ............................................................ 6-3
6.9 FUSING................................................................................................... 6-39
6.9.1 FUSING UNIT ................................................................................6-39

G035 vi SM
6.9.2 HOT ROLLER STRIPPERS AND FUSING LAMP .........................6-40
6.9.3 THERMISTOR AND THERMOFUSE ............................................. 6-41
6.9.4 CLEANING ROLLER......................................................................6-42
6.9.5 HOT ROLLER AND PRESSURE ROLLER .................................... 6-43
6.10 DRIVE AREA.........................................................................................6-44
6.10.1 REGISTRATION CLUTCH AND TRANSFER BELT CLUTCH..... 6-44
6.10.2 MAIN MOTOR .............................................................................. 6-45
6.10.3 TONER BOTTLE MOTOR............................................................ 6-46
6.11 COVERS ............................................................................................... 6-4
6.12 PCBs ..................................................................................................... 6-49
6.12.1 POWER PACK ............................................................................. 6-49
6.12.2 PSU.............................................................................................. 6-49
6.12.3 PRINTER CONTROL BOARD AND NIB ...................................... 6-50
6.12.4 HARD DISK.................................................................................. 6-51
6.12.5 I/O BOARD................................................................................... 6-52
6.12.6 BICU BOARD ............................................................................... 6-53
6.13 PRINT IMAGE ADJUSTMENTS............................................................ 6-54
TROUBLESHOOTING
7. TROUBLESHOOTING................................................................. 7-1
.1 SERVICE CALL CONDITIONS ................................................................. -1
.1.1 SUMMARY ....................................................................................... -1
.1.2 SC CODE DESCRIPTIONS ............................................................. -1
.1.3 PRINTER CONTROLLER .............................................................. -20
.1.4 NETWORK INTERFACE BOARD .................................................. -22
.2 ELECTRICAL COMPONENT DEFECTS ................................................ -24
.2.1 SENSORS...................................................................................... -24
.2.2 SWITCHES .................................................................................... -25
.3 BLOWN FUSE CONDITIONS ................................................................. -25
.4 ROM HISTORY....................................................................................... -26
PAPER TRAY UNIT G520
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 DESCRIPTIONS........................................................8-
2.1 PICK-UP AND SEPARATION ROLLER RELEASE MECHANISM............ 8-6
2.2 PAPER LIFT MECHANISM.......................................................................8-
2.3 PAPER END DETECTION........................................................................ 8-9
2.4 PAPER HEIGHT DETECTION ................................................................8-10
2.5 PAPER SIZE DETECTION ..................................................................... 8-11
Rev. 03/2000

SM vii G035
3. SERVICE TABLES ....................................................................8-12
3.1 DIP SWITCHES ...................................................................................... 8-12
3.2 TEST POINTS.........................................................................................8-12
3.3 SWITCHES ............................................................................................. 8-12
3.4 FUSES .................................................................................................... 8-12
4. REPLACEMENT AND ADJUSTMENT ......................................8-13
4.1 COVER REPLACEMENT........................................................................ 8-13
4.2 ROLLER REPLACEMENT ...................................................................... 8-14
4.2.1 PAPER FEED, SEPARATION, AND PICK-UP ROLLERS............. 8-14
4.3 TRAY MOTOR REPLACEMENT............................................................. 8-15
4.4 PAPER FEED AND RELAY CLUTCH REPLACEMENT ......................... 8-16
4.5 PAPER FEED UNIT REPLACEMENT .................................................... 8-1
4.6 PAPER END, TRAY LIFT, AND RELAY SENSOR
REPLACEMENT ..................................................................................... 8-19
SWAPBOX

 AND SWAPFTL

 INSTALLATION MANUAL
1. INTRODUCTION .........................................................................9-1
1.1 PRECAUTIONS ......................................................................................... 9-1
1.1.1 SWAPBOX AND SOFTWARE .........................................................9-1
1.1.2 SOFTWARE LICENSE AGREEMENT ............................................. 9-1
1.2 SYSTEM REQUIREMENTS ...................................................................... 9-1
1.3 ITEMS TO PREPARE BEFORE INSTALLATION ..................................... 9-1
1.4 WINDOWS 95 VERSION CONFIRMATION .............................................9-2
2. SWAPBOX INSTALLATION ........................................................ 9-4
2.2 DRIVER INSTALLATION .......................................................................... 9-4
3. SOFTWARE (SWAPFTL) INSTALLATION ................................. 9-5
3.1 SWAPFTL SOFTWARE INSTALLATION .................................................. 9-5
3.2 VERIFICATION ......................................................................................... 9-5
3.2.1 SOFTWARE VERSION .................................................................... 9-5
3.2.2 FLASH MEMORY CARD AUTOMATIC DETECTION ......................9-6
4. TROUBLESHOOTING..................................................................9-7
4.1 SWAPBOX RESOURCE CONFLICT ........................................................ 9-
4.11 IRQ AND I/O ADDRESS ...................................................................9-
4.1.2 MEMORY ADDRESS........................................................................ 9-
4.2 FAILED TO OPEN PCCARD ERRORS ..................................................... 9-8
4.2.1 TIMELAG TO LOADING DRIVER ..................................................... 9-8
4.2.3 RESOURCE CONFLICT ................................................................... 9-8
4.3 INVALID DYNAMIC LINK CALL FROM SWAPENUM ERROR................. 9-9
4.4 SWAPFTL PROBLEM WITH NOTEBOOK COMPUTERS......................... 9-9
4.4.1 WINDOWS AND PC CARD DRIVER VERSION ............................... 9-9
4.4.2 SYSTEM SUMMERY ........................................................................ 9-9
4.5 COMPLETE UNINSTALL.........................................................................9-10

G035 viii SM
SWAPFTL

 BINARY UTILITY OPERATION MANUAL
1. OVERVIEW................................................................................. 10-1
2. OPERATION............................................................................... 10-2
2.1 PROGRAMMING A FLASH MEMORY CARD .........................................10-2
2.1.1 GETTING A SOURCE FILE ............................................................ 10-2
2.1.2 PROGRAMMING A CARD WITH THE SOURCE ...........................10-2
2.2 DOWNLOADING TO A MACHINE ........................................................... 10-4
2.3 SAVING DATA TO A FILE ....................................................................... 10-4
3. FUNCTIONS ...............................................................................10-5
3.1 FILE MENU .............................................................................................. 10-5
3.1.1 FILE – OPEN................................................................................... 10-5
3.1.2 FILE – CLOSE................................................................................. 10-5
3.1.3 FILE – SAVE ................................................................................... 10-5
LARGE CAPACITY TRAY (A 83)
1. OVERALL MACHINE INFORMATION ......................................11-1
1.1 SPECIFICATIONS .................................................................................. 11-1
1.2 MECHANICAL COMPONENT LAYOUT ................................................. 11-2
1.3 ELECTRICAL COMPONENT LAYOUT................................................... 11-3
1.4 ELECTRICAL COMPONENT DESCRIPTION ........................................ 11-4
1.5 DRIVE LAYOUT ...................................................................................... 11-5
2. DETAILED DESCRIPTIONS......................................................11-
2.1 PAPER FEED MECHANISM................................................................... 11-6
2.2 TRAY LIFT AND PAPER HEIGHT DETECTION MECHANISM.............. 11-
Tray lifting conditions..........................................................................11-
Tray lowering conditions ..................................................................... 11-
2.3 TRAY UNIT SLIDE MECHANISM ........................................................... 11-8
3. SERVICE TABLES ....................................................................11-9
3.1 DIP SWITCHES ...................................................................................... 11-9
3.2 TEST POINTS.........................................................................................11-9
3.3 SWITCHES ............................................................................................. 11-9
3.4 FUSES .................................................................................................... 11-9
4. REPLACEMENT AND ADJUSTMENT .................................... 11-10
4.1 COVER REPLACEMENT...................................................................... 11-10
Tray Cover........................................................................................ 11-10
Front Cover....................................................................................... 11-10
Rear Cover ....................................................................................... 11-10
Right Lower Cover ............................................................................ 11-10
Upper Cover ..................................................................................... 11-10
4.2 ROLLER REPLACEMENT .................................................................... 11-11
Rev. 08/2000