Ricoh B234 User manual

B234/B235/B236
D101/D102/D103
SERVICE MANUAL
(Book 1 of 2) 002671MIU
MAINFRAME

B234/B235/B236
D101/D102/D103
SERVICE MANUAL
(BOOK 1 OF 2) MAINFRAME

B234/B235/B236
D101/D102/D103
SERVICE MANUAL
BOOK 1 OF 2
MAINFRAME
002671MIU

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interest of Ricoh Americas Corporation and its member companies.
NO PART OF THIS DOCUMENT MAY BE REPRODUCED IN ANY
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only and for the benefit of such companies. No such use, or the use of
any trade name, or web site is intended to convey endorsement or other
affiliation with Ricoh products.
©2008 RICOH Americas Corporation. All rights reserved.

The Service Manual contains information
regarding service techniques, procedures,
processes and spare parts of office equipment
distributed by Ricoh Americas Corporation.
Users of this manual should be either service
trained or certified by successfully completing a
Ricoh Technical Training Program.
Untrained and uncertified users utilizing
information contained in this service manual to
repair or modify Ricoh equipment risk personal
injury, damage to property or loss of warranty
protection.
Ricoh Americas Corporation
WARNING

LEGEND
PRODUCT
CODE COMPANY
GESTETNER LANIER RICOH SAVIN
B234 DSm790 LD190 Aficio MP9000 8090
B235 DSm7110 LD1110 Aficio MP1110 8110
B236 DSm7135 LD1135 Aficio MP1350 8135
D101 Pro 906EX Pro 906EX Aficio Pro 906EX Pro 906EX
D102 Pro 1106EX Pro 1106EX Aficio Pro 1106EX Pro 1106EX
D103 Pro 1356EX Pro 1356EX Aficio Pro 1356EX Pro 1356EX
DOCUMENTATION HISTORY
REV. NO. DATE COMMENTS
* 05/2006 Original Printing
1 05/2008 D101/D102/D103 Addition

SM i B234/B235/B236/D101/D102/D103
B234/B235/B236/D101/D102/D103
TABLE OF CONTENTS
INSTALLATION
1. INSTALLATION PROCEDURES................................................. 1-1
1.1 INSTALLATION REQUIREMENTS............................................................1-1
1.1.1 ENVIRONMENT................................................................................1-1
1.1.2 MACHINE LEVEL..............................................................................1-2
1.1.3 MINIMUM SPACE REQUIREMENTS ...............................................1-3
1.1.4 DIMENSIONS....................................................................................1-4
Top View...............................................................................................1-4
Side Views............................................................................................1-4
1.1.5 POWER REQUIREMENTS...............................................................1-6
1.2 BEFORE YOU BEGIN… ............................................................................1-7
1.2.1 B234/B235/B236 OVERVIEW OF OPTIONAL PERIPHERALS........1-7
1.2.2 D101/D102/D102 OVERVIEW OF OPTIONAL PERIPHERALS .......1-8
Configuration 1: Booklet Finisher B836.................................................1-8
Configuration 2: Perfect Binder D391 ...................................................1-9
1.2.3 SPECIAL POINTS ABOUT INSTALLATION...................................1-10
1.3 COPIER (B234/B235/B236/D101/D102/D103).........................................1-11
1.3.1 ACCESSORIES...............................................................................1-11
1.3.2 INSTALLATION...............................................................................1-13
External Tape and Retainers..............................................................1-14
Internal Tape and Retainers: Paper Trays..........................................1-16
Internal Tape and Retainers: Fusing Unit ...........................................1-17
Internal Tape and Retainers: Transfer Unit.........................................1-18
Internal Tape and Retainers: Drum Cleaning Unit ..............................1-19
Pouring Developer..............................................................................1-22
Operation Panel..................................................................................1-25
Filters, Original Exit Tray.....................................................................1-27
Testing the Copier Breaker Switch......................................................1-29
Initializing the Machine........................................................................1-30
Connecting the Copier Tray Heaters...................................................1-31
1.3.3 COMPLETING THE INSTALLATION..............................................1-33
Setting Paper Sizes for the Paper Trays.............................................1-33
1.3.4 CONTROLLER BOX, PSU BOX REMOVAL...................................1-34
Controller Box Removal......................................................................1-34
PSU Box Removal..............................................................................1-35
1.3.5 TRANSPORTING THE COPIER.....................................................1-36
Before Moving the Copier...................................................................1-36
After Moving the Copier......................................................................1-37
1.4 A3/11"X17" TRAY UNIT TK5000 (B331-11).............................................1-38
1.4.1 ACCESSORIES...............................................................................1-38

B234/B235/B236/D101/D102/D103 ii SM
1.4.2 INSTALLATION...............................................................................1-39
1.5 LCIT RT5000 (B832) ................................................................................1-44
1.5.1 ACCESSORIES...............................................................................1-44
1.5.2 INSTALLATION...............................................................................1-45
1.5.3 ADJUSTING IMAGE POSITION SENSOR STRENGTH AND SIDE-
TO-SIDE REGISTRATION.......................................................................1-49
CIS Image Position Adjustment: LED Strength (LCIT)........................1-49
CIS Image Position Adjustment: Normal Paper (LCIT).......................1-50
1.5.4 LCT B832 TRAY HEATERS............................................................1-51
Accessories ........................................................................................1-51
Installation...........................................................................................1-52
1.6 LCIT RT5010 (B834) ................................................................................1-54
1.6.1 ACCESSORIES...............................................................................1-54
1.6.2 INSTALLATION...............................................................................1-55
1.6.3 LCT B834 TRAY HEATERS............................................................1-59
Accessories ........................................................................................1-59
Installation...........................................................................................1-60
1.7 MULTI BYPASS TRAY (B833).................................................................1-62
1.7.1 ACCESSORIES...............................................................................1-62
1.7.2 INSTALLATION...............................................................................1-63
LCIT RT5000 B832.............................................................................1-64
LCIT RT5010 B834.............................................................................1-66
LCIT RT5000 B832/LCIT RT5010 B834.............................................1-68
1.8 COVER INTERPOSER TRAY CI5000 (B835)..........................................1-70
1.8.1 ACCESSORIES...............................................................................1-70
1.8.2 INSTALLATION...............................................................................1-71
Setting Up the Unit and Docking to the Copier ...................................1-71
Docking the Next Peripheral Device ...................................................1-76
Mounting the Tray Unit........................................................................1-77
1.9 Z-FOLDING UNIT ZF4000 (B660)............................................................1-80
1.9.1 ACCESSORY CHECK ....................................................................1-80
1.9.2 INSTALLATION...............................................................................1-81
Unpacking...........................................................................................1-81
Replacing the Gear for B236/D103 (135 cpm) only ............................1-82
Attaching the Brackets........................................................................1-83
Preparing for Docking.........................................................................1-84
Testing the Breaker.............................................................................1-86
Docking the Z-Folding Unit to the Cover Interposer Tray or Copier....1-87
Connecting the Z-Folding Unit B660...................................................1-89
1.10 BOOKLET FINISHER BK5000 (B836)................................................1-91
1.10.1 ACCESSORIES.........................................................................1-91
1.10.2 INSTALLATION .........................................................................1-92
Docking the Booklet Finisher B836.....................................................1-94
Connecting the Booklet Finisher B836................................................1-96
1.11 FINISHER SR5000 (B830) .................................................................1-97
1.11.1 ACCESSORIES.........................................................................1-97
1.11.2 INSTALLATION .........................................................................1-98
Docking the Finisher B830................................................................1-100
Connecting the Finisher B830...........................................................1-103

SM iii B234/B235/B236/D101/D102/D103
1.12 PUNCH UNIT PU5000 (B831)..........................................................1-104
1.12.1 ACCESSORIES.......................................................................1-104
1.12.2 INSTALLATION .......................................................................1-105
1.13 SKEW AND SIDE-TO-SIDE ADJUSTMENT.....................................1-109
1.13.1 SKEW AND SIDE-TO-SIDE REGISTRATION ADJUSTMENT1-109
What Is Skew and Side-to-Side Registration Shift?..........................1-109
Where Skew and Side-to-Side Registration Are Measured ..............1-110
Where Skew and Side-to-Side Registration Are Adjusted ................1-111
When Skew and Side-to-Side Registration Should Be Adjusted.......1-112
1.13.2 HOW TO ADJUST SKEW, SIDE-TO-SIDE REGISTRATION..1-115
1.14 KEY COUNTER................................................................................1-119
1.14.1 ACCESSORIES.......................................................................1-119
1.14.2 INSTALLATION .......................................................................1-120
Assembling the Key Counter ............................................................1-120
Attaching the Key Counter to the Copier...........................................1-121
Attaching the Key Counter to the LCT ..............................................1-122
User Tool and SP Mode Settings......................................................1-125
1.15 INSTALLATION OF MFP CONTROLLER OPTIONS .......................1-126
1.15.1 OVERVIEW .............................................................................1-126
1.15.2 MERGING APPLICATIONS ON ONE SD CARD.....................1-127
Overview...........................................................................................1-127
Merging Applications.........................................................................1-128
Undo Exec........................................................................................1-129
1.15.3 COMMON PROCEDURES FOR MFP OPTIONS....................1-130
Storing SD Application Cards on Site ...............................................1-130
Removing Slot Covers......................................................................1-131
1.15.4 PRINTER/SCANNER KIT (B840) ............................................1-132
Accessories ......................................................................................1-132
Installation.........................................................................................1-133
1.15.5 IEEE 1284 INTERFACE BOARD (B679).................................1-135
Accessories ......................................................................................1-135
1.15.6 PS3 (B613)..............................................................................1-136
Accessories ......................................................................................1-136
Installation.........................................................................................1-136
1.15.7 DATA OVERWRITE SECURITY UNIT F (B735) .....................1-137
Accessories ......................................................................................1-137
Before You Begin…..........................................................................1-137
Seal Check and Removal .................................................................1-138
Installation.........................................................................................1-139
1.15.8 BROWSER UNIT (B828).........................................................1-141
Accessories ......................................................................................1-141
Installation.........................................................................................1-141
1.15.9 VM CARD TYPE C (B861).......................................................1-142
Accessories ......................................................................................1-142
Installation.........................................................................................1-142
1.15.10 FILE FORMAT CONVERTER (B609) ..................................1-143
Accessories ......................................................................................1-143
Installation.........................................................................................1-143
1.15.11 USB 2.0 HOST INTERFACE (B825)....................................1-145

B234/B235/B236/D101/D102/D103 iv SM
Accessories ......................................................................................1-145
Installation.........................................................................................1-145
1.15.12 IEEE 802.11B (G813)...........................................................1-146
Accessories ......................................................................................1-146
Installation.........................................................................................1-146
1.15.13 IEEE 1394 KIT (B581)..........................................................1-147
Accessories ......................................................................................1-147
Installation.........................................................................................1-147
1.15.14 BLUETOOTH INTERFACE UNIT (B826).............................1-148
Accessories ......................................................................................1-148
Installation.........................................................................................1-148
Installation Procedure.......................................................................1-149
1.15.15 CUMIN-M (B818)..................................................................1-150
Accessories ......................................................................................1-150
Installation.........................................................................................1-150
1.15.16 GIGABIT ETHERNET (G381) ..............................................1-152
Accessories ......................................................................................1-152
1.15.17 COPY DATA SECURITY UNIT (B829) ................................1-153
Accessories ......................................................................................1-153
Installation.........................................................................................1-153
1.16 CONNECTION KIT B328..................................................................1-155
1.16.1 INTRODUCTION .....................................................................1-155
1.16.2 SPECIFICATIONS...................................................................1-155
1.16.3 INSTALLATION .......................................................................1-156
Accessories ......................................................................................1-156
1.16.4 PREPARATION.......................................................................1-157
1.16.5 INSTALLATION PROCEDURE................................................1-158
PREVENTIVE MAINTENANCE
2. PREVENTIVE MAINTENANCE.................................................... 2-1
2.1 PM COUNTER ...........................................................................................2-1
2.1.1 DISPLAYING THE PM COUNTER....................................................2-1
2.1.2 PM PARTS SCREEN DETAILS ........................................................2-2
All PM Parts list: Main Menu.................................................................2-2
Number button submenu ......................................................................2-3
Parts list for PM yield indicator..............................................................2-4
2.2 PM TABLES ...............................................................................................2-5
2.2.1 MAIN MACHINE................................................................................2-6
Main Unit PM Parts...............................................................................2-6
2.2.2 ADF.................................................................................................2-11
2.2.3 FINISHER SR5000 B830 ................................................................2-11
2.2.4 PUNCH UNIT PU5000 B831...........................................................2-11
2.2.5 LCIT RT5000 B832..........................................................................2-12
2.2.6 MULTI-BYPASS TRAY B833 ..........................................................2-12
2.2.7 LCIT RT5010 B834..........................................................................2-12
2.2.8 COVER INTERPOSER TRAY CI5000 B835...................................2-13
2.2.9 BOOKLET FINISHER BK5000 B836...............................................2-13

SM v B234/B235/B236/D101/D102/D103
2.2.10 Z-FOLDING UNIT ZF4000 B660................................................2-13
2.2.11 PERFECT BINDER/INSERTER D391.......................................2-14
Inserter Unit........................................................................................2-15
Perfect Binder.....................................................................................2-15
2.2.12 RING BINDER D392..................................................................2-18
2.3 LUBRICATION POINTS...........................................................................2-19
2.3.1 TRANSFER.....................................................................................2-19
2.3.2 FUSING...........................................................................................2-20
REPLACEMENT AND ADJUSTMENT
3. REPLACEMENT AND ADJUSTMENT ........................................ 3-1
3.1 GENERAL CAUTIONS...............................................................................3-1
3.1.1 DRUM................................................................................................3-1
3.1.2 DRUM UNIT ......................................................................................3-1
3.1.3 TRANSFER BELT UNIT....................................................................3-2
3.1.4 SCANNER UNIT................................................................................3-2
3.1.5 LASER UNIT .....................................................................................3-2
3.1.6 CHARGE CORONA ..........................................................................3-3
3.1.7 DEVELOPMENT ...............................................................................3-3
3.1.8 CLEANING........................................................................................3-4
3.1.9 FUSING UNIT ...................................................................................3-4
3.1.10 PAPER FEED..............................................................................3-4
3.1.11 USED TONER .............................................................................3-4
3.2 SPECIAL TOOLS AND LUBRICANTS.......................................................3-5
3.2.1 SPECIAL TOOLS..............................................................................3-5
3.2.2 LUBRICANTS....................................................................................3-5
3.3 COMMON PROCEDURES.........................................................................3-6
3.3.1 PULLING THE DEVELOPMENT UNIT DRAWER OUT....................3-6
3.3.2 PUTTING THE DEVELOPMENT UNIT DRAWER IN........................3-8
3.3.3 FRONT DOORS..............................................................................3-10
3.3.4 RIGHT COVERS.............................................................................3-11
3.3.5 LEFT COVERS................................................................................3-12
3.3.6 REAR UPPER COVER ...................................................................3-13
3.3.7 CONTROLLER BOX .......................................................................3-14
3.3.8 PSU BOX ........................................................................................3-15
3.4 DOCUMENT FEEDER .............................................................................3-16
3.4.1 ADF COVERS.................................................................................3-16
3.4.2 ADF ORIGINAL TRAY.....................................................................3-17
Original Tray.......................................................................................3-17
Original Table Cover...........................................................................3-17
Bottom Plate.......................................................................................3-17
3.4.3 FEED UNIT AND SEPARATION ROLLER......................................3-18
3.4.4 FEED BELT.....................................................................................3-19
3.4.5 PICK-UP ROLLER...........................................................................3-20
3.4.6 ADF SENSORS...............................................................................3-21
Entrance Sensor and Length Sensor..................................................3-21
Registration Sensor ............................................................................3-22

B234/B235/B236/D101/D102/D103 vi SM
Width Sensors ....................................................................................3-23
Exit Sensor, Inverter Sensor...............................................................3-24
3.4.7 TRANSPORT BELT ........................................................................3-25
3.4.8 ADF MOTORS.................................................................................3-26
Bottom Plate Motor, Pick-up Motor.....................................................3-26
Feed-in, Transport, Feed-out Motors..................................................3-27
3.4.9 FEED-IN CLUTCH...........................................................................3-28
3.5 SCANNER UNIT.......................................................................................3-30
3.5.1 EXPOSURE GLASS........................................................................3-30
3.5.2 LENS BLOCK..................................................................................3-31
3.5.3 ORIGINAL SIZE SENSORS............................................................3-32
3.5.4 EXPOSURE LAMPS .......................................................................3-33
3.5.5 LAMP REGULATORS.....................................................................3-34
3.5.6 OPTICS DUST FILTER...................................................................3-35
3.5.7 SCANNER HP SENSOR.................................................................3-36
3.5.8 SCANNER MOTOR.........................................................................3-37
3.5.9 SCANNER DRIVE WIRES..............................................................3-38
Preparation.........................................................................................3-38
Front, Rear Scanner Drive Wires........................................................3-39
Reinstallation......................................................................................3-39
3.5.10 SIB.............................................................................................3-41
3.6 LASER UNIT ............................................................................................3-42
3.6.1 CAUTION DECALS.........................................................................3-42
3.6.2 LD UNIT ..........................................................................................3-43
3.6.3 POLYGON MIRROR MOTOR.........................................................3-45
3.6.4 LASER SYNCHRONIZATION DETECTOR ....................................3-46
3.7 AROUND THE DRUM..............................................................................3-47
3.7.1 CLEANING UNIT, PCU, DRUM.......................................................3-47
Re-installing the Drum ........................................................................3-48
3.7.2 PTL (PRE-TRANSFER LAMP)........................................................3-49
3.7.3 PRE-CHARGE UNIT.......................................................................3-50
3.7.4 CHARGE CORONA UNIT...............................................................3-52
3.7.5 DRUM POTENTIAL SENSOR.........................................................3-55
3.7.6 PICK-OFF PAWLS..........................................................................3-56
3.7.7 ID SENSOR.....................................................................................3-57
3.7.8 CLEANING BRUSH.........................................................................3-59
3.7.9 CLEANING BLADES.......................................................................3-60
3.7.10 CLEANING UNIT FILTERS .......................................................3-61
3.7.11 TONER FILTER.........................................................................3-62
3.7.12 QUENCHING LAMP SHIELD GLASS .......................................3-63
3.8 DEVELOPMENT AND TONER SUPPLY .................................................3-64
3.8.1 DEVELOPMENT UNIT REMOVAL..................................................3-64
Re-installing the Development Unit.....................................................3-65
3.8.2 TONER HOPPER REMOVAL .........................................................3-66
3.8.3 DEVELOPER REPLACEMENT.......................................................3-67
Initializing the TD Sensor....................................................................3-70
3.8.4 CLEANING THE DOCTOR BLADE.................................................3-71
3.8.5 DEVELOPMENT ENTRANCE, FRONT, REAR SIDE SEALS........3-74
3.8.6 TONER DENSITY SENSOR ...........................................................3-75

SM vii B234/B235/B236/D101/D102/D103
3.8.7 TONER HOPPER SENSOR............................................................3-76
3.8.8 DEVELOPMENT UNIT GEARS ......................................................3-77
3.8.9 TONER SUCTION BOTTLE............................................................3-78
3.8.10 TONER SUCTION MOTOR.......................................................3-79
3.8.11 DEVELOPMENT MOTOR UNIT................................................3-80
3.8.12 TONER PUMP MOTOR, TONER PUMP MOTOR SENSOR ....3-81
3.8.13 DEVELOPMENT ROLLER SHAFT CLEANING.........................3-82
3.9 TRANSFER BELT UNIT...........................................................................3-83
3.9.1 TRANSFER BELT UNIT REMOVAL ...............................................3-83
3.9.2 TRANSFER BELT...........................................................................3-85
Before Installing or Replacing the Transfer Belt..................................3-86
Installing the Transfer Belt..................................................................3-86
3.9.3 TRANSFER BELT/BIAS ROLLER CLEANING BLADE...................3-87
3.9.4 TRANSFER BELT BIAS BRUSH.....................................................3-88
3.10 PAPER FEED.....................................................................................3-89
3.10.1 PAPER TRAYS..........................................................................3-89
Tandem Tray ......................................................................................3-89
Universal Tray.....................................................................................3-91
3.10.2 PAPER FEED ROLLERS ..........................................................3-92
3.10.3 PAPER FEED UNITS 1, 2, 3 .....................................................3-93
3.10.4 PAPER FEED, PAPER END, TRAY LIFT SENSOR..................3-95
3.10.5 REAR FENCE RETURN SENSOR............................................3-96
3.10.6 REAR FENCE HP SENSOR......................................................3-97
3.10.7 1ST TRAY RIGHT PAPER SENSOR ........................................3-98
3.10.8 BOTTOM PLATE LIFT WIRE ....................................................3-99
3.10.9 PAPER DUST TRAY, REGISTRATION SENSOR, DOUBLE-FEED
SENSOR CLEANING.............................................................................3-101
3.10.10 LIFT MOTORS.....................................................................3-103
1st Tray Lift Motor.............................................................................3-103
2nd, 3rd Tray Lift Motors...................................................................3-104
3.10.11 2ND, 3RD TRAY SIZE SWITCHES......................................3-105
3.10.12 FEED MOTORS...................................................................3-106
Vertical Relay Motor..........................................................................3-106
Feed Motor, Grip Motor.....................................................................3-107
3.10.13 UPPER RELAY MOTOR......................................................3-108
3.10.14 REGISTRATION MOTOR....................................................3-109
3.10.15 DEVELOPMENT FAN MOTOR............................................3-110
3.10.16 REGISTRATION UNIT.........................................................3-111
3.10.17 LCT RELAY AND RELAY SENSORS..................................3-112
3.10.18 IMAGE POSITION SENSORS.............................................3-113
Image position sensor unit (Tray) .....................................................3-113
Image position sensor unit (Duplex)..................................................3-113
Procedure 3......................................................................................3-114
CIS Image Position Adjustment: LED Strength.................................3-114
CIS Image Position Adjustment: Normal Paper................................3-115
3.10.19 TANDEM FEED TRAY PAPER SIZE CHANGE...................3-116
Setting the Paper Size for the Right Tandem Tray ...........................3-116
Setting the Paper Size for the Left Tandem Tray..............................3-117
3.10.20 TANDEM TRAY SIDE REGISTRATION ..............................3-119

B234/B235/B236/D101/D102/D103 viii SM
3.11 FUSING UNIT...................................................................................3-120
3.11.1 REMOVING THE FUSING UNIT .............................................3-120
3.11.2 REINSTALLING THE FUSING UNIT.......................................3-123
3.11.3 FUSING UNIT COVERS..........................................................3-124
3.11.4 FUSING CLEANING UNIT.......................................................3-125
Disassembling the Fusing Cleaning Unit ..........................................3-125
Fabric Pressure Roller......................................................................3-127
Reassembling the Fusing Cleaning Unit...........................................3-128
3.11.5 HOT ROLLER UNIT.................................................................3-130
3.11.6 HOT ROLLER..........................................................................3-132
Removing the Fusing Lamps............................................................3-132
Disassembling the Hot Roller............................................................3-134
Re-installing the Fusing Lamps.........................................................3-135
3.11.7 PRESSURE ROLLER..............................................................3-137
3.11.8 CLEANING ROLLER: PRESSURE ROLLER ..........................3-138
3.11.9 HOT ROLLER STRIPPERS.....................................................3-139
3.11.10 PRESSURE ROLLER STRIPPER .......................................3-140
3.11.11 FUSING EXIT SENSOR.......................................................3-141
3.11.12 FUSING UNIT THERMOSTATS, THERMISTOR.................3-142
3.11.13 FUSING PRESSURE ADJUSTMENT..................................3-144
3.11.14 JOB TIME SENSOR.............................................................3-145
3.12 DUPLEX UNIT..................................................................................3-146
3.12.1 DUPLEX UNIT.........................................................................3-146
3.12.2 DUPLEX UNIT INNER COVER ...............................................3-147
3.12.3 DUPLEX INVERTER MOTOR.................................................3-148
3.12.4 DUPLEX SWITCHBACK AND TRANSPORT MOTORS .........3-149
3.12.5 DUPLEX ENTRANCE GUIDE UNIT........................................3-150
3.12.6 DUPLEX ENTRANCE SENSOR, INVERTER SENSOR..........3-151
3.12.7 DUPLEX TRANSPORT SENSORS 1, 2, 3..............................3-152
3.12.8 INVERTER RELAY SENSOR..................................................3-153
3.13 TONER BANK ..................................................................................3-154
3.13.1 TONER COLLECTION BOTTLE..............................................3-154
3.13.2 TONER BANK UNIT................................................................3-155
After Re-installing the Toner Bank Unit.............................................3-159
3.13.3 ACCESS TO INSIDE THE TONER BANK...............................3-160
3.14 BOARDS...........................................................................................3-161
3.14.1 MCU.........................................................................................3-161
3.14.2 OPU.........................................................................................3-162
3.14.3 BCU-IOB..................................................................................3-163
3.14.4 BCU-IOB UNIT.........................................................................3-164
3.14.5 PSU-E (ENGINE): A, B............................................................3-165
3.14.6 PPG, CGB POWER PACKS....................................................3-166
3.14.7 AC DRIVE BOARD..................................................................3-167
3.15 CONTROLLER BOARDS, HDD .......................................................3-168
3.15.1 CONTROLLER BOX COVER..................................................3-168
3.15.2 CONTROLLER BOARD, NVRAM............................................3-169
3.15.3 INTERFACE BOARD...............................................................3-170
3.15.4 IPU...........................................................................................3-171
3.15.5 SD CARD UNIT .......................................................................3-172