Ricoh B125 Service Manual

Page 1
RICOH GROUP COMPANIES
B125
SERVICE MANUAL
001911MIU
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LEGEND
PRODUCT CODE COMPANY
GESTETNER LANIER RICOH SAVIN
B125 A045 LW310 Aficio 240W 2400WD
REV. NO. DATE COMMENTS
*
4/2004 Original Printing
Page 3
B125

TABLE OF CONTENTS

INSTALLATION
1. INSTALLATION PROCEDURE.................................................... 1-1
1.1 PREPARATION.........................................................................................1-1
1.1.1 ENVIRONMENT ...............................................................................1-1
1.1.2 MINIMUM SPACE REQUIREMENTS...............................................1-2
1.1.3 MACHINE LEVEL.............................................................................1-2
1.1.4 POWER SOURCE............................................................................1-3
1.1.5 INSTALLATION OVERVIEW............................................................1-4
Installation Flow ....................................................................................1-4
SP and User Tool Settings Required for Installation.............................1-5
1.2 COPIER INSTALLATION ..........................................................................1-6
1.2.1 ACCESSORY CHECK......................................................................1-6
1.2.2 COPIER PRE-INSTALLATION PROCEDURE .................................1-7
Removing the Shipping Material ...........................................................1-7
Set the Operation Panel Position..........................................................1-8
Setting the Copier on the Roll Feeder or Table.....................................1-9
Leveling the Copier and Attaching Leg Covers...................................1-12
Developer ...........................................................................................1-14
Toner Cartridge and ID Sensor Initialization .......................................1-16
1.2.3 INSTALLATION SP SETTINGS .....................................................1-18
Using the SP Mode ............................................................................. 1-18
SP1960: Optional Paper Settings .......................................................1-19
SP1920: Cut Length Adjustment (for Roll Feeder).............................. 1-19
Select the Paper Size and Type with User Tools................................1-20
Select “Architecture” or “Engineering” (NA Only) ................................1-20
SP4960 015, 003 Enable and Format the HDD ..................................1-21
SP5137 Stamp Function On/Off .........................................................1-21
1.2.4 COPIER FINAL INSTALLATION PROCEDURE ............................1-22
Copy Trays, Guides, Original Exit Selection Lever ............................. 1-22
Copy Check ........................................................................................1-23
1.2.5 MOVING THE COPIER ..................................................................1-23
1.3 ROLL FEEDER INSTALLATION .............................................................1-24
1.3.1 ACCESSORY CHECK....................................................................1-24
1.3.2 ROLL FEEDER INSTALLATION PROCEDURE ............................1-25
Setting the Copier on the Roll Feeder.................................................1-25
Leveling the Copier and Attaching Leg Covers...................................1-25
Opening the Roll Feeder and Removing Shipping Material ................1-25
Attaching the Swinging Guide Plates..................................................1-26
Connecting the Copier and Roll Feeder..............................................1-27
Attach the Mylars to the Copier........................................................... 1-30
Attach the Mylars to the Back of the Roll Feeder................................1-31
Installing the Paper Rolls ....................................................................1-31
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1.4 PAPER CASSETTE INSTALLATION ......................................................1-32
1.4.1 ACCESSORY CHECK....................................................................1-32
1.4.2 PAPER CASSETTE INSTALLATION PROCEDURE .....................1-33
1.5 HDD INSTALLATION ..............................................................................1-35
1.5.1 ACCESSORY CHECK....................................................................1-35
1.5.2 HDD INSTALLATION PROCEDURE..............................................1-36
1.6 INTERFACE BOARD INSTALLATION ....................................................1-39
1.6.1 ACCESSORY CHECK....................................................................1-39
1.6.2 INTERFACE UNIT INSTALLATION PROCEDURE........................ 1-40
1.7 STAMP BOARD INSTALLATION ............................................................ 1-44
1.7.1 ACCESSORY CHECK....................................................................1-44
1.7.2 STAMP BOARD INSTALLATION PROCEDURE ........................... 1-44
1.8 TABLE INSTALLATION...........................................................................1-45
1.8.1 TABLE ACCESSORY CHECK ....................................................... 1-45
1.8.2 TABLE INSTALLATION PROCEDURE ..........................................1-46
Setting the Copier on the Table .......................................................... 1-46
Leveling the Copier and Attaching Leg Covers...................................1-46
Attaching the Guide Plate ...................................................................1-46
Connecting the Copier and Table ....................................................... 1-47
Attach the Mylars to the Copier........................................................... 1-48
Attach the Mylars to the Back of the Table .........................................1-49
Attaching the Stopper Bracket ............................................................1-50
PREVENTIVE MAINTENANCE
2. PREVENTIVE MAINTENANCE.................................................... 2-1
2.1 PM TABLE................................................................................................. 2-1
2.1.1 COPIER (B125) ................................................................................2-1
2.1.2 ROLL FEEDER (B641/B642)............................................................2-3
2.1.3 PAPER CASSETTE (B643)..............................................................2-3
2.2 CLEANING THE ENTRANCE SPURS ......................................................2-4
2.3 LUBRICATION POINTS ............................................................................2-5
2.3.1 DEVELOPMENT SECTION..............................................................2-5
2.3.2 FUSING GEARS...............................................................................2-6
REPLACEMENT AND ADJUSTMENT
3. REPLACEMENT AND ADJUSTMENT ........................................ 3-1
3.1 COMMON PROCEDURES........................................................................3-1
3.1.1 BEFORE WORKING ON THE MACHINE ........................................3-1
3.1.2 SIDE COVERS .................................................................................3-2
3.1.3 REAR COVER..................................................................................3-3
3.1.4 PAPER EXIT UNIT ...........................................................................3-4
3.1.5 UNLOCKING, RAISING THE ORIGINAL UNIT ................................3-5
3.1.6 REMOVING THE ORIGINAL FEED UNIT ........................................3-6
3.1.7 RAISING AND LOCKING THE SCANNER UNIT .............................3-7
3.1.8 TONER HOPPER COVER ...............................................................3-8
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3.1.9 IDLE REGISTRATION ROLLER PANEL..........................................3-9
3.1.10 MANUAL FEED TABLE, ORIGINAL FEED SENSOR COVER ....3-10
3.1.11 DRAWER FRONT COVER........................................................... 3-11
3.2 SCANNER...............................................................................................3-12
3.2.1 ORIGINAL WIDTH SENSORS, ORIGINAL SET SENSOR,
SCANNER SWITCH .......................................................................3-12
3.2.2 ORIGINAL FEED UNIT ROLLERS.................................................3-13
3.2.3 EXPOSURE GLASS.......................................................................3-15
3.2.4 CIS..................................................................................................3-16
3.2.5 SMDB, VDB....................................................................................3-17
3.2.6 SIB, CGB POWER PACK...............................................................3-18
3.3 AROUND THE DRUM .............................................................................3-19
3.3.1 CHARGE CORONA WIRE, GRID WIRE, WIRE CLEANER...........3-19
3.3.2 QUENCHING LAMPS.....................................................................3-21
3.3.3 LPH (LED PRINT HEAD)................................................................3-22
3.3.4 TRANSFER CORONA, SEPARATION CORONA WIRES .............3-24
3.4 DEVELOPMENT .....................................................................................3-26
3.4.1 DEVELOPMENT UNIT ...................................................................3-26
3.4.2 DEVELOPER..................................................................................3-27
3.4.3 PAPER SET SENSOR, REGISTRATION SENSOR.......................3-30
3.4.4 TONER SUPPLY CLUTCH ............................................................3-31
3.4.5 DEVELOPMENT FILTER ...............................................................3-32
3.4.6 USED TONER COLLECTION BOTTLE, TONER OVERFLOW
SENSOR ........................................................................................3-33
3.5 DRUM...................................................................................................... 3-34
3.5.1 DRUM UNIT ...................................................................................3-34
3.5.2 ECLEANING BLADE ......................................................................3-36
3.5.3 ID SENSOR, PICK-OFF PAWLS, PICK-OFF PAWL SOLENOID...3-37
3.6 PAPER FEED..........................................................................................3-38
3.6.1 REGISTRATION CLUTCH, REGISTRATION ROLLER .................3-38
3.6.2 ROLL 1 PAPER FEED CLUTCH, FEED ROLLER .........................3-41
3.6.3 ROLL 2 PAPER CLUTCH, FEED ROLLER....................................3-42
3.6.4 RF EXIT SENSOR..........................................................................3-43
3.6.5 ROLL FEED MOTOR .....................................................................3-44
3.6.6 CUTTER: MOTOR, HP SENSORS ................................................3-45
3.6.7 ROLL PAPER END SENSORS ......................................................3-47
3.6.8 CASSETTE FEED ROLLER...........................................................3-48
3.6.9 CASSETTE RELAY SENSOR, CASSETTE END SENSOR ..........3-49
3.6.10 CASSETTE FEED MOTOR, CASSETTE OPEN SENSOR..........3-50
3.6.11 CASSETTE FEED CLUTCH.........................................................3-51
3.7 FUSING SECTION ..................................................................................3-52
3.7.1 PRESSURE SPRING ADJUSTMENT ............................................3-52
3.7.2 HOT ROLLER STRIPPERS ...........................................................3-53
3.7.3 PRESSURE ROLLER STRIPPERS ...............................................3-53
3.7.4 PRESSURE ROLLER THERMISTOR, FUSING EXIT SENSOR ...3-54
3.7.5 FUSING UNIT................................................................................. 3-55
3.7.6 FUSING CLEANING ROLLER .......................................................3-56
3.7.7 FUSING LAMP ...............................................................................3-57
3.7.8 HOT ROLLER................................................................................. 3-58
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3.7.9 PRESSURE ROLLER.....................................................................3-59
3.7.10 HOT ROLLER THERMISTOR, THERMOSTATS .........................3-60
3.8 MOTORS................................................................................................. 3-61
3.8.1 SCANNER MOTOR........................................................................3-61
3.8.2 DRUM MOTOR ..............................................................................3-62
3.8.3 FUSING MOTOR, MAIN MOTOR ..................................................3-63
3.8.4 USED TONER BOTTLE MOTOR...................................................3-66
3.9 BOARDS ................................................................................................. 3-67
3.9.1 MCU/IPU ........................................................................................3-67
3.9.2 PSU ................................................................................................3-69
3.9.3 NVRAM...........................................................................................3-70
NVRAM Upload ..................................................................................3-70
NVRAM Removal................................................................................ 3-71
NVRAM Download .............................................................................. 3-71
3.9.4 T&S POWER PACK .......................................................................3-72
3.9.5 RFDB (ROLL FEEDER DRIVE BOARD) ........................................3-73
3.9.6 SFDB (SHEET FEED DRIVE BOARD)...........................................3-74
3.10 OTHER..................................................................................................3-75
3.10.1 HDD REPLACEMENT ..................................................................3-75
3.10.2 COOLING FAN, OZONE FILTER.................................................3-77
3.11 SP ADJUSTMENTS ..............................................................................3-78
3.11.1 IMAGE ADJUSTMENT .................................................................3-78
Step 1: Check the Registration Line Speed ........................................3-78
Step 2: Magnification for Paper Type: Plain........................................3-78
Step 3: Scanning Magnification ..........................................................3-79
Step 4: Magnification for Paper Type: Translucent .............................3-79
Step 5: Magnification for Paper Type: Film ......................................... 3-79
Step 6: Scanner Mask Setting ............................................................3-80
Step 7: Erase Margins ........................................................................3-80
Step 8: Printer: Leading Edge, Side-to-Side Registration ...................3-80
Step 9: Scanner Mask Setting ............................................................3-81
Step 10: Erase Margins ......................................................................3-81
Step 11: Scanner Registration ............................................................3-81
Step 12: Printer: Cut Length ...............................................................3-82
Step 13: Synchro Cut (Trailing Edge Registration) ............................. 3-83
3.11.2 CIS................................................................................................3-84
To Print the CIS Adjustment Pattern...................................................3-84
To Adjust the Image at the CIS Joints.................................................3-85
3.11.3 LPH...............................................................................................3-87
Doing SP Adjustment Settings for a Replacement LPH......................3-87
To Print Pattern IPU Test Pattern 51 .................................................. 3-87
Main Scan Adjustment: White, Black Vertical Lines............................ 3-88
Main Scan Adjustment: LED Light Level at LPH Joints.......................3-89
To Adjust the LPH for Misalignment....................................................3-90
3.11.4 LPH DENSITY ..............................................................................3-91
To Print the R-10 Pattern 51 ...............................................................3-91
To Correct Pattern Density .................................................................3-91
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TROUBLESHOOTING
4. TROUBLESHOOTING ................................................................. 4-1
4.1 SERVICE CALL CONDITIONS .................................................................4-1
4.1.1 SUMMARY .......................................................................................4-1
4.2 SC CODE DESCRIPTIONS ......................................................................4-2
4.2.1 SC1XXX ...........................................................................................4-2
4.2.2 SC2XXX ...........................................................................................4-2
4.2.3 SC3XXX ...........................................................................................4-2
4.2.4 SC4XXX ...........................................................................................4-5
4.2.5 SC5XXX ...........................................................................................4-6
4.2.6 SC6XXX .........................................................................................4-11
4.2.7 SC7XXX .........................................................................................4-13
4.2.8 SC8XXX .........................................................................................4-13
4.2.9 SC9XXX .........................................................................................4-13
4.3 JAM CODE TABLES ...............................................................................4-15
4.3.1 COPIER JAM TABLES ................................................................... 4-15
4.3.2 SCANNER JAM TABLES ...............................................................4-17
Scanner Ready Check Jams ..............................................................4-17
4.4 COVER OPEN.........................................................................................4-19
4.5 BLOWN FUSE TABLE ............................................................................4-19
4.6 IMAGE DATA PROCESSING FLOW CHART ......................................... 4-20
4.6.1 DATA FLOW IN 1-TO-1 COPY MODE...........................................4-20
4.6.2 DATA FLOW IN REPEAT COPY MODE........................................ 4-20
4.6.3 DATA FLOW IN SCANNING MODE...............................................4-21
4.6.4 DATA FLOW IN PRINTING MODE (STANDARD SIZES) .............. 4-21
4.6.5 DATA FLOW IN PRINTING MODE (LONG)...................................4-22
4.6.6 DATA FLOW IN TEST PATTERN PRINTING ................................4-22
4.6.7 IMAGE PROBLEM TROUBLESHOOTING.....................................4-23
4.6.8 FLOW CHART................................................................................4-23
4.6.9 SCANNING.....................................................................................4-24
4.6.10 PRINTING ....................................................................................4-26
4.6.11 BOARD LEDS ..............................................................................4-27
IPU LEDs ............................................................................................4-28
MCU LEDs..........................................................................................4-29
VDB LEDs...........................................................................................4-29
SIB LEDs ............................................................................................4-29
PSU LEDs...........................................................................................4-30
SERVICE TABLES
5. SERVICE TABLES....................................................................... 5-1
5.1 USING THE SP MODE .............................................................................5-1
5.1.1 DIRECT ENTRY ...............................................................................5-1
Normal Direct Entry...............................................................................5-1
Rapid Direct Entry................................................................................. 5-2
5.2 SOFTWARE UPGRADE ...........................................................................5-3
5.2.1 UPGRADING FIRMWARE ...............................................................5-3
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5.3 INITIAL SETTINGS ...................................................................................5-5
5.3.1 USER TOOLS ..................................................................................5-5
System Settings....................................................................................5-5
Copier Features ....................................................................................5-8
5.4 PRINTING TEST PATTERNS .................................................................5-11
5.4.1 IMAGE PROCESSING TEST PATTERNS .....................................5-11
5.4.2 IMAGE DATA PATH TEST PATTERNS.........................................5-13
5.5 INPUT CHECK ........................................................................................5-14
5.6 OUTPUT CHECK ....................................................................................5-17
5.7 SP (SERVICE PROGRAM) MODE TABLES........................................... 5-19
SP1-XXX Feed ...................................................................................5-19
SP2-XXX Drum...................................................................................5-28
SP3-XXX Process Control ..................................................................5-38
SP4-XXX Scanner ..............................................................................5-39
SP5-XXX Mode................................................................................... 5-49
SP7-XXX Data Log .............................................................................5-57
SP8xxx Data Log 2 .............................................................................5-71
DETAILED DESCRIPTIONS
6. DETAILED DESCRIPTIONS ........................................................ 6-1
6.1 OVERVIEW ...............................................................................................6-1
6.1.1 MACHINE GENERAL LAYOUT........................................................6-1
6.1.2 MECHANICAL COMPONENT LAYOUT...........................................6-2
6.1.3 DRIVE LAYOUT ............................................................................... 6-4
6.1.4 ORIGINAL/COPY PAPER PATHS ................................................... 6-5
6.2 SCANNER .................................................................................................6-6
6.2.1 OVERVIEW ......................................................................................6-6
6.2.2 SCANNER LAYOUT.........................................................................6-7
6.2.3 ORIGINAL WIDTH DETECTION ......................................................6-8
6.2.4 ORIGINAL DRIVE MECHANISM...................................................... 6-9
6.2.5 ORIGINAL FEED SPEED.................................................................6-9
6.2.6 SCANNING MECHANISM..............................................................6-10
CIS Structure ......................................................................................6-10
Printed Image .....................................................................................6-10
6.2.7 AUTO IMAGE DENSITY CORRECTION........................................6-11
6.3 IMAGE PROCESSING ............................................................................6-12
6.3.1 OVERVIEW ....................................................................................6-12
Overall System ...................................................................................6-12
IPU Board Details ...............................................................................6-13
6.3.2 GENERAL IMAGE PROCESSING FLOW CHART.........................6-14
6.3.3 ORIGINAL MODES ........................................................................6-15
Overview.............................................................................................6-15
Text Mode...........................................................................................6-16
Photo Mode ........................................................................................6-17
Text/Photo Mode ................................................................................6-18
Pale Mode...........................................................................................6-19
Generation ..........................................................................................6-20
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Drawing Mode..................................................................................... 6-21
Background Lines Mode .....................................................................6-22
Sharpen Text Mode ............................................................................ 6-23
6.3.4 INDEPENDENT DOT ERASE ........................................................6-24
6.3.5 MTF SETTINGS ............................................................................. 6-25
6.4 AROUND THE DRUM .............................................................................6-26
6.4.1 OVERVIEW ....................................................................................6-26
6.4.2 DRUM DRIVE.................................................................................6-27
6.4.3 CHARGE CORONA UNIT ..............................................................6-28
6.4.4 CORONA WIRE CLEANING ..........................................................6-29
6.4.5 DRUM CLEANING..........................................................................6-30
6.4.6 COLLECTING USED TONER ........................................................6-31
6.4.7 QUENCHING..................................................................................6-32
6.4.8 DRUM ANTI-CONDENSATION HEATERS....................................6-33
6.5 IMAGE WRITING MECHANISM..............................................................6-34
6.6 DEVELOPMENT .....................................................................................6-35
6.6.1 OVERVIEW ....................................................................................6-35
6.6.2 DEVELOPMENT DRIVE MECHANISM..........................................6-36
6.6.3 TONER SUPPLY MECHANISM .....................................................6-37
6.6.4 DEVELOPER CROSS-MIXING ......................................................6-38
6.6.5 DEVELOPMENT BIAS ...................................................................6-39
6.6.6 ID SENSOR....................................................................................6-40
6.6.7 ID SENSOR OPERATION DURING MACHINE WARM-UP...........6-41
6.6.8 TONER DENSITY CONTROL ........................................................6-43
Overview.............................................................................................6-43
Supply Modes .....................................................................................6-43
Detect Supply Mode............................................................................6-44
Fixed Supply Mode .............................................................................6-45
Toner Supply Clutch Operation...........................................................6-45
6.6.9 TONER END/NEAR-END DETECTION .........................................6-47
Toner Near End ..................................................................................6-47
Toner End ...........................................................................................6-47
Toner End Recovery ........................................................................... 6-47
Toner End Recovery Flow Chart......................................................... 6-48
6.7 PAPER FEED AND REGISTRATION .....................................................6-49
6.7.1 OVERVIEW ....................................................................................6-49
Layout Diagrams................................................................................. 6-49
Feed Station Overview........................................................................6-51
Manual Feed Table.............................................................................6-51
Roll Feeder .........................................................................................6-51
Paper Cassette ...................................................................................6-51
Paper Width and Media Type Settings................................................6-51
6.7.2 MANUAL FEED MECHANISM .......................................................6-52
6.7.3 ROLL FEED MECHANISM.............................................................6-53
Drive ...................................................................................................6-53
Roll Pre-feeding ..................................................................................6-54
Procedure ...........................................................................................6-55
6.7.4 ROLL FEEDER PAPER HOLDERS ............................................... 6-56
6.7.5 ROLL PAPER CUTTING MECHANISM .........................................6-57
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6.7.6 ROLL END DETECTION ................................................................6-58
6.7.7 PAPER CASSETTE MECHANISM.................................................6-59
6.7.8 PAPER CASSETTE FEED .............................................................6-60
Cassette Paper Path...........................................................................6-60
Paper Cassette Pre-Feeding ..............................................................6-61
6.7.9 PAPER CASSETTE PAPER END DETECTION ............................ 6-62
6.7.10 CONDENSATION PREVENTION.................................................6-63
6.7.11 REGISTRATION........................................................................... 6-64
6.7.12 PAPER FEED TIMING CHART ....................................................6-65
6.8 IMAGE TRANSFER AND SEPARATION ................................................6-66
6.8.1 OVERVIEW ....................................................................................6-66
Transfer Corona Unit ..........................................................................6-66
Separation Corona Unit ......................................................................6-66
6.8.2 PICK-OFF PAWL OPERATION...................................................... 6-67
6.9 FUSING UNIT..........................................................................................6-68
6.9.1 OVERVIEW ....................................................................................6-68
6.9.2 PAPER FEED THROUGH THE FUSING UNIT..............................6-69
6.9.3 FUSING PRESSURE CONTROL MECHANISM ............................6-70
6.9.4 TEMPERATURE CONTROL ..........................................................6-71
Zero-Cross Control Test .....................................................................6-71
Switching on the Fusing Lamp Power.................................................6-71
Fusing Warm-up Time ........................................................................6-71
Fusing Temperature Control ...............................................................6-72
6.9.5 HOT ROLLER CLEANING .............................................................6-76
6.9.6 HOT ROLLER THERMISTORS AND THERMOSTATS .................6-77
6.9.7 FUSING UNIT DRIVE MECHANISM .............................................. 6-78
6.9.8 WRINKLE PREVENTION ...............................................................6-79
Motor Speed Control...........................................................................6-79
Inching Control.................................................................................... 6-79
6.10 PAPER EXIT .........................................................................................6-80
6.10.1 OVERVIEW ..................................................................................6-80
Upper Exit ...........................................................................................6-80
Rear Exit .............................................................................................6-80
Jam Detection.....................................................................................6-80
6.10.2 SWITCHING THE PAPER EXIT...................................................6-81
Upper Exit ...........................................................................................6-81
Rear Exit .............................................................................................6-81
6.10.3 PAPER EXIT DRIVE.....................................................................6-82
6.11 ELECTRICAL COMPONENTS..............................................................6-83
6.11.1 OVERVIEW ..................................................................................6-83
6.11.2 DESCRIPTIONS OF ELECTRICAL COMPONENTS ...................6-84
6.11.3 MCU, IPU .....................................................................................6-89
MCU (Main Control Unit).....................................................................6-89
IPU (Image Processing Unit) ..............................................................6-89
6.11.4 PSU ..............................................................................................6-90
6.11.5 SMDB, VDB, SIB ..........................................................................6-91
SMDB (Scanner Motor Drive Board)...................................................6-91
VDB (Video Drive Board) ....................................................................6-91
SIB (Scanner Interface Board)............................................................6-91
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6.11.6 RFDB, SFDB ................................................................................6-92
RFDB (Roll Feed Drive Board) ...........................................................6-92
SFDB (Sheet Feed Drive Board) ........................................................6-92
SPECIFICATIONS
SPECIFICATIONS............................................................................. 7-1
1. COPIER ENGINE ........................................................................................7-1
2. ROLL FEEDER B641/B642.........................................................................7-4
3. PAPER CASSETTE B643 ...........................................................................7-4
4. MACHINE CONFIGURATION .....................................................................7-5
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INSTALLATION
PREVENTIVE MAINTENANCE
REPLACEMENT AND ADJUSTMENT
TROUBLESHOOTING
TAB
POSITION 1
TAB
POSITION 2
TAB
POSITION 3
TAB
SERVICE TABLES
DETAILED DESCRIPTIONS
SPECIFICATIONS
POSITION 4
TAB
POSITION 5
TAB
POSITION 6
TAB
POSITION 7
TAB
POSITION 8
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B125 PARTS CATALOG
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TABLE OF CONTENTS

B125 PARTS LOCATION AND LIST
LOCATION OF UNIT .....................................................
1.EXTERIOR 1 (B125) .................................................
2.EXTERIOR 2 (B125) .................................................
3.OPERATION PANEL (B125) ................................... 1
4.SCANNER SECTION 1 (B125)................................ 1
5.SCANNER SECTION 2 (B125)................................ 1
6.SCANNER SECTION 3 (B125)................................ 1
7.PAPER REGISTRATION (B125) ............................. 1
8.IMAGE PROCESSING (B125)................................. 2
9.DRUM SECTION (B125).......................................... 2
10.DEVELOPMENT UNIT (B125)................................ 2
11.CHARGE & TRANSFER UNIT (B125).................... 2
12.CHARGE CLEANING SECTION (B125)................. 2
13.FUSING UNIT 1 (B125) .......................................... 3
14.FUSING UNIT 2 (B125) .......................................... 3
15.PAPER EXIT 1 (B125) ............................................ 3
16.PAPER EXIT 2 (B125) ............................................ 3
17.DRIVE SECTION (B125) ........................................ 3
18.ELECTRICAL SECTION 1 (B125) .......................... 4
19.ELECTRICAL SECTION 2 (B125) .......................... 4
20.ELECTRICAL SECTION 3 (B125).......................... 44
21.FRAME (B125)........................................................ 46
22.MAIN CONTROL BOARD (B125)........................... 48
23.IPU BOARD (B125) ................................................ 58
24.DECAL AND DOCUMENTS (B125) ....................... 72
25.SPECIAL TOOLS (B125)........................................ 74
B125 PARTS INDEX
PARTS INDEX............................................................... 2
ROLL FEEDER TYPE 240A/B B641/B642 PARTS LOCATION AND LIST
1.EXTERIOR (B641/B642) .......................................... 2
2.ROLL PAPER HOLDER (B641/B642) ...................... 4
3.ROLL PAPER FEED 1 (B641/B642) ........................ 6
4.ROLL PAPER FEED 2 (B641/B642) ........................ 8
5.ROLL PAPER FEED 3 (B641/B642) ....................... 10
6.FRAME SECTION 1 (B641/B642) ........................... 12
7.FRAME SECTION 2 (B641/B642) ........................... 14
8.DECALS AND DOCUMENTS (B641/B642) ............ 16
Page 14
ROLL FEEDER TYPE 240A/B B641/B642 PARTS INDEX
PARTS INDEX ............................................................... 2
PAPER CASSETTE TYPE 240 B643 PARTS LOCATION AND LIST
1.CASSETTE 1 (B643)................................................. 2
2.CASSETTE 2 (B643)................................................. 4
3.CASSETTE 3 (B643)................................................. 6
PAPER CASSETTE TYPE 240 B643 PARTS INDEX
PARTS INDEX ............................................................... 2
TABLE TYPE 240 B662 PARTS LOCATION AND LIST
1.TABLE TYPE 240 (B662).......................................... 2
TABLE TYPE 240 B662 PARTS INDEX
PARTS INDEX ............................................................... 2
HARD DISK DRIVE TYPE 240 B663 PARTS LOCATION AND LIST
1.HDD TYPE 240 (B663) ............................................. 2
HARD DISK DRIVE TYPE 240 B663 PARTS INDEX
PARTS INDEX ............................................................... 2
INTERFACE PCB TYPE 240 B690 PARTS LOCATION AND LIST
1. INTERFACE BOARD (B690).................................... 2
INTERFACE PCB TYPE 240 B690 PARTS INDEX
PARTS INDEX................................................................ 2
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