Ricoh D129 User manual

D129/D130
SERVICE MANUAL

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interest of Ricoh Americas Corporation and its member companies.
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only and for the benefit of such companies. No such use, or the use of
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affiliation with Ricoh products.
2012 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
LANIER RICOH SAVIN
D129-17 MP 4002 Aficio MP 4002 MP 4002
D129-57 MP 4002SP Aficio MP 4002SP MP 4002SP
D130-17 MP 5002 Aficio MP 5002 MP 5002
D130-57 MP 5002SP Aficio MP 5002SP MP 5002SP
DOCUMENTATION HISTORY
REV. NO.
DATE
COMMENTS
*
01/2012
Original Printing

SM i D129/D130
D129/D130
TABLE OF CONTENTS
1. PRODUCT INFORMATION...........................................................1-1
1.1 SPECIFICATIONS..................................................................................... 1-1
1.2 MACHINE CONFIGURATION ................................................................... 1-2
1.2.1 COPIER............................................................................................ 1-2
1.3 GUIDANCE FOR THOSE WHO ARE FAMILIAR WITH PREDECESSOR
PRODUCTS..................................................................................................... 1-5
1.4 OVERVIEW................................................................................................ 1-6
1.4.1 COMPONENT LAYOUT ................................................................... 1-6
1.4.2 PAPER PATH................................................................................... 1-8
1.4.3 DRIVE LAYOUT ............................................................................... 1-9
2. INSTALLATION.............................................................................2-1
2.1 INSTALLATION REQUIREMENTS............................................................ 2-1
2.1.1 ENVIRONMENT ............................................................................... 2-2
2.1.2 MACHINE LEVEL............................................................................. 2-2
2.1.3 MINIMUM SPACE REQUIREMENTS............................................... 2-3
2.1.4 POWER REQUIREMENTS .............................................................. 2-3
2.2 INSTALLATION FLOW CHART................................................................. 2-4
2.3 MAIN MACHINE INSTALLATION.............................................................. 2-5
2.3.1 ACCESSORY CHECK...................................................................... 2-5
2.3.2 INSTALLATION PROCEDURE ........................................................ 2-7
Preliminary Procedures........................................................................ 2-7
PCDU (Photoconductor and Development Unit)................................ 2-10
Toner Bottle........................................................................................ 2-13
Paper Trays........................................................................................ 2-13
Initialize TD Sensor and Developer.................................................... 2-14
Set Paper Size for Paper Trays.......................................................... 2-14
Electrical Total Counter...................................................................... 2-14
Exposure Glass Cleaner .................................................................... 2-15
Settings Relevant to the Service Contract.......................................... 2-15
Data Overwrite Security ..................................................................... 2-16
HDD Encryption.................................................................................. 2-17

D129/D130 ii SM
App 2 Me Setting (SP model only)..................................................... 2-18
2.3.3 MOVING THE MACHINE................................................................ 2-19
2.3.4 TRANSPORTING THE MACHINE.................................................. 2-19
2.4 PAPER FEED UNIT INSTALLATION (D580)........................................... 2-20
2.4.1 ACCESSORY CHECK.................................................................... 2-20
2.4.2 INSTALLATION PROCEDURE ...................................................... 2-20
2.5 2000-SHEET LCT INSTALLATION (D581).............................................. 2-23
2.5.1 ACCESSORY CHECK.................................................................... 2-23
2.5.2 INSTALLATION PROCEDURE ...................................................... 2-23
2.6 1200-SHEET LCT INSTALLATION (D631).............................................. 2-26
2.6.1 COMPONENT CHECK................................................................... 2-26
2.6.2 INSTALLATION PROCEDURE ...................................................... 2-27
2.7 ARDF INSTALLATION (D630)................................................................. 2-29
2.7.1 COMPONENT CHECK................................................................... 2-29
2.7.2 INSTALLATION PROCEDURE ...................................................... 2-29
2.8 1-BIN TRAY UNIT INSTALLATION (D632).............................................. 2-33
2.8.1 COMPONENT CHECK................................................................... 2-33
2.8.2 INSTALLATION PROCEDURE ...................................................... 2-34
2.9 BRIDGE UNIT INSTALLATION (D634).................................................... 2-36
2.9.1 COMPONENT CHECK................................................................... 2-36
2.9.2 INSTALLATION PROCEDURE ...................................................... 2-37
2.10 3000/2000-SHEET (BOOKLET) FINISHER (D636/D637).................. 2-41
2.10.1 ACCESSORY CHECK................................................................ 2-41
2.10.2 INSTALLATION PROCEDURE .................................................. 2-42
Support Tray Installation .................................................................... 2-45
2.11 PUNCH UNIT INSTALLATION (D570)............................................... 2-46
2.11.1 COMPONENT CHECK............................................................... 2-46
2.11.2 INSTALLATION PROCEDURE .................................................. 2-47
2.12 PLATEN COVER (D593).................................................................... 2-52
2.13 1000-SHEET FINISHER (D588)......................................................... 2-53
2.13.1 ACCESSORY CHECK................................................................ 2-53
2.13.2 INSTALLATION PROCEDURE .................................................. 2-54
2.14 SIDE TRAY (D635) ............................................................................ 2-57
2.14.1 COMPONENT CHECK............................................................... 2-57
2.14.2 INSTALLATION PROCEDURE .................................................. 2-58
2.15 INTERNAL SHIFT TRAY (D633)........................................................ 2-62
2.15.1 COMPONENT CHECK............................................................... 2-62
2.15.2 INSTALLATION PROCEDURE .................................................. 2-62

SM iii D129/D130
2.16 KEY COUNTER INSTALLATION....................................................... 2-64
2.16.1 INSTALLATION PROCEDURE .................................................. 2-64
2.17 KEY COUNTER INTERFACE UNIT INSTALLATION ........................ 2-66
2.17.1 INSTALLATION PROCEDURE .................................................. 2-66
2.18 TRAY HEATER.................................................................................. 2-68
2.18.1 INSTALLATION PROCEDURE .................................................. 2-68
2.19 TRAY HEATER (OPTIONAL PAPER FEED UNIT)............................ 2-70
2.19.1 COMPONENT CHECK............................................................... 2-70
2.19.2 INSTALLATION PROCEDURE .................................................. 2-71
For installing the tray heater in the D580 (Two-tray paper feed unit) . 2-71
For installing the tray heater in the D581 (LCT) ................................. 2-73
2.20 HDD INSTALLATION (D640-11)........................................................ 2-76
2.20.1 COMPONENT CHECK............................................................... 2-76
2.20.2 INSTALLATION PROCEDURE .................................................. 2-77
After Installing the HDD...................................................................... 2-78
2.21 COPY DATA SECURITY UNIT (B829) .............................................. 2-79
2.21.1 COMPONENT CHECK............................................................... 2-79
2.21.2 INSTALLATION PROCEDURE .................................................. 2-80
User Tool Setting ............................................................................... 2-81
Check All Connections....................................................................... 2-82
2.22 BROWSER UNIT TYPE I................................................................... 2-83
2.22.1 INSTALLATION PROCEDURE .................................................. 2-83
2.22.2 UPDATE PROCEDURE ............................................................. 2-85
2.23 CARD READER BRACKET TYPE C3352 (D593) ............................. 2-87
2.23.1 COMPONENT CHECK............................................................... 2-87
2.23.2 INSTALLATION PROCEDURE .................................................. 2-88
2.34 FAX CONNECTION UNIT TYPE A (D629-31) (REMOTE FAX) ........ 2-94
3. PREVENTIVE MAINTENANCE....................................................3-1
3.1 PM TABLES............................................................................................... 3-1
4. REPLACEMENT AND ADJUSTMENT ........................................4-1
4.1 GENERAL CAUTIONS .............................................................................. 4-1
4.1.1 LASER UNIT..................................................................................... 4-1
4.1.2 USED TONER.................................................................................. 4-1
4.2 SPECIAL TOOLS AND LUBRICANTS ...................................................... 4-2
4.2.1 SPECIAL TOOLS ............................................................................. 4-2
4.2.2 LUBRICANTS................................................................................... 4-2
4.3 EXTERIOR COVERS ................................................................................ 4-3
4.3.1 FRONT DOOR, UPPER AND LOWER INNER COVER................... 4-3
Rev. 04/23
/
2012

D129/D130 iv SM
Upper Inner Cover................................................................................ 4-3
Lower Inner Cover................................................................................ 4-3
4.3.2 LEFT COVER................................................................................... 4-4
4.3.3 REAR COVER.................................................................................. 4-4
4.3.4 RIGHT REAR COVER...................................................................... 4-5
4.3.5 FRONT RIGHT COVER.................................................................... 4-6
4.3.6 OPERATION PANEL & LCD ............................................................ 4-6
4.3.7 PAPER EXIT COVER..................................................................... 4-10
4.3.8 INNER TRAY.................................................................................. 4-11
4.4 SCANNER ............................................................................................... 4-12
4.4.1 EXPOSURE GLASS....................................................................... 4-12
4.4.2 SCANNER EXTERIOR PANELS AND OPERATION PANEL......... 4-12
Operation panel.................................................................................. 4-12
Scanner left cover .............................................................................. 4-12
Scanner right cover............................................................................ 4-13
Scanner front cover............................................................................ 4-13
Scanner rear cover............................................................................. 4-13
4.4.3 LENS BLOCK ASSEMBLY............................................................. 4-14
When reassembling ........................................................................... 4-15
4.4.4 ORIGINAL SIZE SENSOR.............................................................. 4-15
4.4.5 EXPOSURE LAMP......................................................................... 4-17
Chromaticity rank adjustment............................................................. 4-18
4.4.6 SCANNER HP SENSOR/PLATEN COVER SENSOR.................... 4-20
Scanner HP Sensor ........................................................................... 4-20
Platen Cover Sensor.......................................................................... 4-21
4.4.7 SCANNER MOTOR........................................................................ 4-22
4.4.8 SCANNER MOTOR DRIVE BOARD .............................................. 4-24
4.4.9 FRONT SCANNER WIRE............................................................... 4-24
Reassembling the Front Scanner Wire............................................... 4-26
4.4.10 REAR SCANNER WIRE............................................................. 4-29
Reassembling the Rear Scanner Wire............................................... 4-30
4.5 LASER UNIT............................................................................................ 4-31
4.5.1 CAUTION DECAL LOCATIONS..................................................... 4-31
4.5.2 LASER UNIT................................................................................... 4-31
4.5.3 POLYGON MIRROR MOTOR........................................................ 4-33
4.5.4 LASER SYNCHRONIZATION DETECTOR.................................... 4-33
4.5.5 LD UNIT.......................................................................................... 4-34
Laser Beam Pitch Adjustment............................................................ 4-34
Rev. 09/11
/
2012

SM v D129/D130
4.6 PCDU....................................................................................................... 4-37
4.6.1 PCDU (PHOTOCONDUCTOR AND DEVELOPMENT UNIT) ........ 4-37
Reinstallation...................................................................................... 4-37
4.6.2 DRUM............................................................................................. 4-38
Re-installation .................................................................................... 4-39
4.6.3 PICK-OFF PAWLS.......................................................................... 4-40
Pick-off Pawl Position Adjustment...................................................... 4-40
4.6.4 CHARGE ROLLER AND CLEANING ROLLER.............................. 4-41
4.6.5 DRUM CLEANING BLADE............................................................. 4-42
Re-installation .................................................................................... 4-42
4.6.6 ID SENSOR.................................................................................... 4-43
4.7 DEVELOPMENT...................................................................................... 4-44
4.7.1 DEVELOPMENT FILTER ............................................................... 4-44
4.7.2 DEVELOPMENT ROLLER ............................................................. 4-44
Cleaning Procedure............................................................................ 4-45
4.7.3 DEVELOPER.................................................................................. 4-46
4.7.4 TD SENSOR................................................................................... 4-49
4.8 TRANSFER.............................................................................................. 4-50
4.8.1 TRANSFER BELT UNIT................................................................. 4-50
4.8.2 TRANSFER BELT........................................................................... 4-51
4.8.3 TONER OVERFLOW SENSOR...................................................... 4-53
4.8.4 TRANSFER BELT CLEANING BLADE/TONER OVERFLOW SENSOR
4-53
Transfer Belt Cleaning Blade ............................................................. 4-53
Toner Overflow Sensor ...................................................................... 4-54
4.9 PAPER FEED .......................................................................................... 4-55
4.9.1 PAPER FEED UNIT........................................................................ 4-55
Tray 1 and Tray 2............................................................................... 4-55
4.9.2 PICK-UP, FEED AND SEPARATION ROLLERS............................ 4-56
Tray 1 and Tray 2............................................................................... 4-56
4.9.3 TRAY LIFT MOTOR........................................................................ 4-57
4.9.4 RELAY, TRAY LIFT, PAPER END AND PAPER FEED SENSORS4-58
Tray 1 and Tray 2............................................................................... 4-58
4.9.5 REGISTRATION SENSOR............................................................. 4-59
Reinstall the registration sensor......................................................... 4-60
4.10 FUSING.............................................................................................. 4-61
4.10.1 FUSING UNIT............................................................................. 4-61
4.10.2 WEB ROLLER UNIT................................................................... 4-62

D129/D130 vi SM
4.10.3 BRAKE PAD............................................................................... 4-62
4.10.4 WEB HOLDER ROLLER AND WEB ROLLERS......................... 4-63
Installing a new web holder roller....................................................... 4-65
Installing new web rollers................................................................... 4-65
4.10.5 PRESSURE ROLLER CLEANING ROLLER.............................. 4-66
4.10.6 THERMOSTATS......................................................................... 4-67
4.10.7 THERMISTOR............................................................................ 4-68
4.10.8 HOT ROLLER STRIPPERS........................................................ 4-69
4.10.9 FUSING LAMPS......................................................................... 4-70
4.10.10 HOT ROLLER AND PRESSURE ROLLER .............................. 4-71
4.11 PAPER EXIT...................................................................................... 4-72
4.11.1 PAPER EXIT UNIT ..................................................................... 4-72
4.11.2 FUSING EXIT, PAPER OVERFLOW, AND PAPER EXIT SENSORS
4-73
4.11.3 JUNCTION JAM SENSOR ......................................................... 4-73
4.11.4 PAPER EXIT MOTOR ................................................................ 4-74
4.12 DUPLEX............................................................................................. 4-75
4.12.1 DUPLEX UNIT............................................................................ 4-75
4.12.2 RIGHT DOOR COVER............................................................... 4-77
4.12.3 DUPLEX DOOR SENSOR.......................................................... 4-77
4.12.4 DUPLEX ENTRANCE SENSOR................................................. 4-78
4.12.5 DUPLEX EXIT SENSOR ............................................................ 4-79
4.12.6 DUPLEX/BY-PASS MOTOR....................................................... 4-81
4.12.7 DUPLEX INVERTER MOTOR.................................................... 4-82
4.13 BY-PASS............................................................................................ 4-84
4.13.1 BY-PASS PAPER SIZE SENSOR/BY-PASS PAPER LENGTH
SENSOR.................................................................................................. 4-84
When reinstalling the by-pass paper size sensor............................... 4-86
4.13.2 BY-PASS PAPER END SENSOR .............................................. 4-87
4.13.3 BY-PASS PICK-UP, FEED AND SEPARATION ROLLER, TORQUE
LIMITER................................................................................................... 4-87
4.13.4 BY-PASS FEED CLUTCH.......................................................... 4-88
4.14 DRIVE AREA ..................................................................................... 4-89
4.14.1 PAPER FEED CLUTCH.............................................................. 4-89
Tray 1 and Tray 2............................................................................... 4-89
4.14.2 DEVELOPMENT PADDLE MOTOR........................................... 4-90
4.14.3 TRANSFER/DEVELOPMENT MOTOR...................................... 4-90
4.14.4 DRUM MOTOR........................................................................... 4-91

SM vii D129/D130
4.14.5FUSING MOTOR........................................................................ 4-91
4.14.6WEB MOTOR............................................................................. 4-92
4.14.7PAPER FEED MOTOR............................................................... 4-92
4.14.8TRANSFER BELT CONTACT MOTOR...................................... 4-93
4.14.9REGISTRATION MOTOR........................................................... 4-93
4.14.10TONER SUPPLY MOTOR........................................................ 4-94
4.15ELECTRICAL COMPONENTS .......................................................... 4-95
4.15.1CONTROLLER UNIT.................................................................. 4-95
4.15.2HDD UNIT................................................................................... 4-96
Before Replacing the HDD Unit.......................................................... 4-96
Replacement Procedure..................................................................... 4-96
After installing the new HDD unit........................................................ 4-97
4.15.3CONTROLLER BOARD ............................................................. 4-98
Before Replacing the Controller Board in the Model without HDD..... 4-98
Replacement Procedure..................................................................... 4-98
When Installing the New Controller Board........................................ 4-100
4.15.4AFTER INSTALLING THE CONTROLLER BOARD................. 4-101
4.15.5MOTHER BOARD .................................................................... 4-101
4.15.6BCU.......................................................................................... 4-103
When installing the new BCU........................................................... 4-104
4.15.7IPU............................................................................................ 4-104
4.15.8IOB ........................................................................................... 4-105
When installing a new IOB............................................................... 4-105
4.15.9PSU.......................................................................................... 4-105
4.15.10HIGH VOLTAGE POWER SUPPLY....................................... 4-106
4.15.11FUSING EXHAUST FAN........................................................ 4-106
When installing the fusing exhaust fan............................................. 4-106
4.15.12CONTROLLER FAN............................................................... 4-107
When installing the controller fan..................................................... 4-107
4.15.13NVRAM ON THE BCU BOARD.............................................. 4-108
Replacement procedure for the NVRAM on the BCU Board............ 4-108
4.16COPY ADJUSTMENTS: PRINTING/SCANNING............................. 4-109
4.16.1OVERVIEW .............................................................................. 4-109
4.16.2PRINTING................................................................................. 4-109
Registration - Leading Edge/Side-to-Side........................................ 4-109
Blank Margin.................................................................................... 4-111
Main Scan Magnification.................................................................. 4-112
Parallelogram Image Adjustment ..................................................... 4-112

D129/D130 viii SM
4.16.3SCANNING............................................................................... 4-114
Registration: Platen Mode................................................................ 4-114
Magnification.................................................................................... 4-115
4.16.4ADF .......................................................................................... 4-116
Registration...................................................................................... 4-116
4.16.5TOUCH SCREEN CALIBRATION............................................ 4-117
5.SERVICE TABLES....................................................................... 5-1
5.1SERVICE PROGRAM MODE.................................................................... 5-1
5.1.1SERVICE PROGRAM MODE OPERATION..................................... 5-1
Service Mode Lock/Unlock................................................................... 5-1
5.1.2SERVICE PROGRAM MODE TABLES............................................ 5-2
Service Table Key................................................................................ 5-2
5.2SERVICE PROGRAM MODE TABLES..................................................... 5-3
5.2.1SP TABLES...................................................................................... 5-3
5.3MAIN SP TABLES-1.................................................................................. 5-4
5.3.1SP1-XXX: FEED............................................................................... 5-4
5.4MAIN SP TABLES-2................................................................................ 5-13
5.4.1SP2-XXX: DRUM............................................................................ 5-13
5.5MAIN SP TABLES-3................................................................................ 5-18
5.5.1SP3-XXX: PROCESS..................................................................... 5-18
5.6MAIN SP TABLES-4................................................................................ 5-19
5.6.1SP4-XXX: SCANNER..................................................................... 5-19
5.7MAIN SP TABLES-5................................................................................ 5-41
5.7.1SP5-XXX: MODE............................................................................ 5-41
5.8MAIN SP TABLES-6.............................................................................. 5-108
5.8.1SP6-XXX: PERIPHERALS............................................................ 5-108
5.9MAIN SP TABLES-7.............................................................................. 5-117
5.9.1SP7-XXX: DATA LOG................................................................... 5-117
5.10MAIN SP TABLES-8 ........................................................................ 5-132
5.10.1SP8-XXX: DATA LOG 2 ........................................................... 5-132
5.11MAIN SP TABLES-9 ........................................................................ 5-183
5.11.1INPUT CHECK TABLE............................................................. 5-183
Copier............................................................................................... 5-183
Table 1: Paper Height Sensor.......................................................... 5-186
Table 2: Paper Size Switch.............................................................. 5-187
Table 3: Paper Size (By-pass Table) ............................................... 5-188
APS Original Size Detection............................................................. 5-189
3000/2000-Sheet (Booklet) Finisher (D636/D637)........................... 5-190

SM ix D129/D130
1000-Sheet Finisher (D588)............................................................. 5-193
5.11.2OUTPUT CHECK TABLE......................................................... 5-194
Copier............................................................................................... 5-194
1000-Sheet Finisher (D588)............................................................. 5-199
3000 /2000-Sheet (Booklet) Finisher (D636/D637).......................... 5-200
5.11.3PRINTER SERVICE TABLES................................................... 5-202
SP1-XXX (Service Mode)................................................................. 5-202
5.11.4SCANNER SERVICE TABLES................................................. 5-210
SP1-xxx (System and Others).......................................................... 5-210
SP2-XXX (Scanning-image quality) ................................................. 5-211
5.12UPDATING THE FIRMWARE.......................................................... 5-212
5.12.1BEFORE YOU BEGIN.............................................................. 5-212
5.12.2UPDATING FIRMWARE........................................................... 5-213
Preparation....................................................................................... 5-213
Updating Procedure ......................................................................... 5-213
Error Messages................................................................................ 5-215
Firmware Update Error..................................................................... 5-215
Recovery after Power Loss.............................................................. 5-215
5.12.3HANDLING FIRMWARE UPDATE ERRORS........................... 5-216
Error Message Table........................................................................ 5-216
5.13UPLOADING/DOWNLOADING NVRAM DATA............................... 5-218
5.13.1UPLOADING NVRAM DATA (SP5-824)................................... 5-218
5.13.2DOWNLOADING NVRAM DATA (SP5-825)............................. 5-219
5.14SELF-DIAGNOSTIC MODE............................................................. 5-221
5.14.1SELF-DIAGNOSTIC MODE AT POWER ON........................... 5-221
5.14.2SELF-DIAGNOSTIC TEST FLOW............................................ 5-222
5.14.3DETAILED SELF-DIAGNOSTIC MODE................................... 5-223
5.14.4EXECUTING DETAILED SELF-DIAGNOSIS ........................... 5-223
5.15USING THE DEBUG LOG ............................................................... 5-224
5.15.1OVERVIEW .............................................................................. 5-224
5.15.2SWITCHING ON AND SETTING UP SAVE DEBUG LOG....... 5-224
4-Digit Entries for Keys 1 to 10......................................................... 5-226
Key to Acronyms.............................................................................. 5-227
Retrieving the Debug Log from the HDD.......................................... 5-228
Recording Errors Manually............................................................... 5-228
6.TROUBLESHOOTING .................................................................6-1
6.1SERVICE CALL CONDITIONS.................................................................. 6-1
6.1.1SUMMARY ....................................................................................... 6-1

D129/D130 x SM
6.1.2SC CODE DESCRIPTIONS.............................................................. 6-2
SC Tables: SC1xx................................................................................ 6-3
SC Tables: SC2xx................................................................................ 6-6
SC Tables: SC3xx................................................................................ 6-8
SC Tables: SC4xx.............................................................................. 6-11
SC Tables: SC5xx.............................................................................. 6-12
SC Tables: SC6xx.............................................................................. 6-21
SC Tables: SC7xx.............................................................................. 6-30
SC Tables: SC8xx.............................................................................. 6-42
SC Tables: SC9xx.............................................................................. 6-65
6.2ELECTRICAL COMPONENT DEFECTS................................................. 6-71
6.2.1SENSORS...................................................................................... 6-71
6.2.2SWITCHES..................................................................................... 6-75
6.3BLOWN FUSE CONDITIONS.................................................................. 6-76
6.4FUSES..................................................................................................... 6-77

Read This First
Safety Notices
Important Safety Notices
Prevention of Physical Injury
1. Before disassembling or assembling parts of the copier and peripherals, make sure that the
copier power cord is unplugged.
2. The wall outlet should be near the copier and easily accessible.
3. Note that some components of the copier and the paper tray unit are supplied with
electrical voltage even if the main power switch is turned off.
4. If any adjustment or operation check has to be made with exterior covers off or open while
the main switch is turned on, keep hands away from electrified or mechanically driven
components.
5. If the Start key is pressed before the copier completes the warm-up period (the Start key
starts blinking red and green alternatively), keep hands away from the mechanical and the
electrical components as the copier starts making copies as soon as the warm-up period is
completed.
6. The inside and the metal parts of the fusing unit become extremely hot while the copier is
operating. Be careful to avoid touching those components with your bare hands.
To prevent a fire or explosion, keep the machine away from flammable liquids, gases,
and aerosols.
Health Safety Conditions
1. Toner and developer are non-toxic, but if you get either of them in your eyes by accident, it
may cause temporary eye discomfort. Immediately wash eyes with plenty of water. If
unsuccessful, get medical attention.
2. This machine, which uses a high voltage power source, can generate ozone gas. High
ozone density is harmful to human health. Therefore, the machine must be installed in a
well-ventilated room.

Observance of Electrical Safety Standards
1. This machine and its peripherals must be serviced by a customer service representative
who has completed the training course on those models.
2. The NVRAM on the system control board has a lithium battery which can explode if
replaced incorrectly. Replace the NVRAM only with an identical one. The manufacturer
recommends replacing the entire NVRAM. Do not recharge or burn this battery. Used
NVRAM must be handled in accordance with local regulations.
Handling Toner
Work carefully when removing paper jams or replacing toner bottles or cartridges to avoid
spilling toner on clothing or the hands.
If toner is inhaled, immediately gargle with large amounts of cold water and move to a well
ventilated location. If there are signs of irritation or other problems, seek medical attention.
If toner gets on the skin, wash immediately with soap and cold running water.
If toner gets into the eyes, flush the eyes with cold running water or eye wash. If there are
signs of irritation or other problems, seek medical attention.
If toner is swallowed, drink a large amount of cold water to dilute the ingested toner. If there
are signs of any problem, seek medical attention.
If toner spills on clothing, wash the affected area immediately with soap and cold water.
Never use hot water! Hot water can cause toner to set and permanently stain fabric.
Always store toner and developer supplies such as toner and developer packages,
cartridges, and bottles (including used toner and empty bottles and cartridges) out of the
reach of children.
Always store fresh toner supplies or empty bottles or cartridges in a cool, dry location that is
not exposed to direct sunlight.
Do not use the cleaner to suck spilled toner (including used toner). Sucked toner may
cause firing or explosion due to electrical contact flickering inside the cleaner. However,
it is possible to use the cleaner designed for dust explosion-proof purpose. If toner is
spilled over the floor, sweep up spilled toner slowly and clean remainder with wet cloth.

Safety and Ecological Notes for Disposal
1. Do not incinerate toner bottles or used toner. Toner dust may ignite suddenly when
exposed to an open flame.
2. Dispose of used toner, the maintenance unit which includes developer or the organic
photoconductor in accordance with local regulations. (These are non-toxic supplies.)
3. Dispose of replaced parts in accordance with local regulations.
4. When keeping used lithium batteries in order to dispose of them later, do not put more than
100 batteries per sealed box. Storing larger numbers or not sealing them apart may lead to
chemical reactions and heat build-up.
Laser Safety
The Center for Devices and Radiological Health (CDRH) prohibits the repair of laser-based
optical units in the field. The optical housing unit can only be repaired in a factory or at a
location with the requisite equipment. The laser subsystem is replaceable in the field by a
qualified Customer Engineer. The laser chassis is not repairable in the field. Customer
engineers are therefore directed to return all chassis and laser subsystems to the factory or
service depot when replacement of the optical subsystem is required.
Use of controls, or adjustment, or performance of procedures other than those
specified in this manual may result in hazardous radiation exposure.
Turn off the main switch before attempting any of the procedures in the Laser Optics
Housing Unit section. Laser beams can seriously damage your eyes.
CAUTION MARKING:

Conventions in this Manual
Symbols and Abbreviations
This manual uses several symbols and abbreviations. The meaning of those symbols and
abbreviations are as follows:
See or Refer to
Clip ring
Screw
Connector
Clamp
E-ring
SEF Short Edge Feed
LEF Long Edge Feed
Cautions, Notes, etc.
The following headings provide special information:
FAILURE TO OBEY WARNING INFORMATION COULD RESULT IN SERIOUS
INJURY OR DEATH.
Obey these guidelines to ensure safe operation and prevent minor injuries.
This information provides tips and advice about how to best service the machine.

PRODUCT INFORMATION
REVISION HISTORY
Page Date Added/Updated/New
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