Ricoh CL5000 Service Manual

RICOH GROUP COMPANIES
G071
SERVICE MANUAL
001479MIU
®
SERVICE MANUAL
®
G071
RICOH GROUP COMPANIES
G071
SERVICE MANUAL
001479MIU
A
f
r
It is the reader's responsibility when discussing the information contained within this document to maintain a level of confidentiality that is in the best interest of Ricoh Corporation and its member companies.
NO PART OF THIS DOCUMENT MAY BE REPRODUCED IN ANY
FASHION AND DISTRIBUTED WITHOUT THE PRIOR
PERMISSION OF RICOH CORPORATION.
ll product names, domain names or product illustrations, including desktop images, used in this document are trademarks, registered trademarks or the property of their respective companies. They are used throughout this book in an informational or editorial fashion only and for the benefit of such companies. No such use, or the use o any trade name, or web site is intended to convey endorsement or othe affiliation with Ricoh products.
2001 RICOH Corporation. All rights reserved.
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WARNING
The Service Manual contains information regarding service techniques, procedures,
rocesses and spare parts of office equipmen distributed by Ricoh Corporation. Users of this manual should be either service trained o certified by successfully completing a Ricoh Technical Training Program.
Untrained and uncertified users utilizin information contained in this service manual to repair or modify Ricoh equipment risk persona injury, damage to property or loss of warrant
rotection.
Ricoh Corporation
LEGEND
PRODUCT CODE COMPANY
G071 C7010 LP 036c Aficio CL5000 CLP1036
GESTETNER LANIER RICOH SAVIN
DOCUMENTATION HISTORY
REV. NO. DATE COMMENTS
* 12/2002 Original Printing
G071
TABLE OF CONTENTS
INSTALLATION
1. INSTALLATION............................................................................ 1-1
1.1 INSTALLATION REQUIREMENTS ........................................................... 1-1
1.1.1 ENVIRONMENT ...............................................................................1-1
1.1.2 MACHINE LEVEL.............................................................................1-1
1.1.3 SPACE REQUIREMENTS................................................................1-2
1.1.4 POWER REQUIREMENTS .............................................................. 1-2
1.2 MACHINE INSTALLATION........................................................................1-3
1.3 OPTIONS ..................................................................................................1-4
1.4 REMARKS FOR INSTALLATION..............................................................1-5
PREVENTIVE MAINTENANCE
2. PREVENTIVE MAINTENANCE.................................................... 2-1
2.1 OVERVIEW ...............................................................................................2-1
Users Do the User PM Procedures....................................................... 2-1
All PM Done by Technicians .................................................................2-1
Counters ............................................................................................... 2-1
2.2 USER MAINTENANCE .............................................................................2-1
Main Unit...............................................................................................2-1
Optional Paper Tray Unit ......................................................................2-2
2.3 SERVICE MAINTENANCE........................................................................2-2
Main Unit...............................................................................................2-2
Optional Units ....................................................................................... 2-3
REPLACEMENT AND ADJUSTMENT
3. REPLACEMENT AND ADJUSTMENT ........................................ 3-1
3.1 SPECIAL TOOLS ................................................................................3-1
3.2 EXTERIOR COVERS ................................................................................3-2
3.2.1 REAR COVER..................................................................................3-2
3.2.2 LOWER LEFT COVER .....................................................................3-3
3.2.3 UPPER COVER, OPERATION PANEL............................................3-3
3.3 ELECTRICAL COMPONENTS..................................................................3-4
3.3.1 PRINTER CONTROLLER ................................................................3-4
3.3.2 CONTROLLER BOX.........................................................................3-4
3.3.3 BCU BOARD ....................................................................................3-4
3.3.4 I/O BOARD .......................................................................................3-5
3.3.5 PSU ..................................................................................................3-5
3.3.6 HIGH VOLTAGE SUPPLY BOARD.................................................. 3-6
SM i G071
3.4 DRIVE UNITS............................................................................................3-7
3.4.1 DEVELOPMENT CLUTCHES .......................................................... 3-7
K/Y Development Units.........................................................................3-7
C/M Development Units ........................................................................3-7
3.4.2 DEVELOPMENT MOTOR ................................................................3-8
3.4.3 MAIN MOTOR .................................................................................. 3-8
3.4.4 PCU GEAR BOX AND OPC BELT CLEANING CLUTCH ................3-9
3.4.5 FUSING UNIT MOTOR ....................................................................3-9
3.4.6 PAPER FEED MOTOR...................................................................3-10
3.4.7 PAPER FEED CLUTCH .................................................................3-10
3.4.8 REGISTRATION CLUTCH .............................................................3-10
3.5 LASER OPTICS SECTION......................................................................3-11
3.5.1 CAUTION DECAL LOCATION ....................................................... 3-11
3.5.2 LASER OPTICS HOUSING UNIT ..................................................3-12
Adjusting for Image Skew ...................................................................3-14
Laser Beam Pitch Adjustment.............................................................3-15
3.5.3 POLYGONAL MIRROR MOTOR AND LSD ................................... 3-16
3.6 DEVELOPMENT UNIT ............................................................................3-17
3.7 PHOTOCONDUCTOR UNIT (PCU) ........................................................ 3-19
3.7.1 MAIN UNIT ..................................................................................... 3-19
3.7.2 WASTE TONER BOTTLES ............................................................3-20
3.7.3 CHARGE CORONA WIRE .............................................................3-21
3.7.4 CHARGE CORONA WIRE CLEANER MOTOR .............................3-22
3.7.5 OPC BELT CLEANING UNIT ......................................................... 3-22
3.7.6 IMAGE TRANSFER BELT CLEANING UNIT ................................. 3-22
3.8 PAPER TRANSFER UNIT.......................................................................3-23
3.8.1 VERTICAL TRANSPORT UNIT......................................................3-23
3.8.2 TRANSFER ROLLER .....................................................................3-23
Cleaning the Paper Dust Mylar ...........................................................3-24
3.9 FUSING/PAPER EXIT.............................................................................3-25
3.9.1 FUSING UNIT................................................................................. 3-25
3.9.2 OIL SUPPLY UNIT .........................................................................3-25
3.9.3 LAMPS ...........................................................................................3-26
3.9.4 FUSING INNER UNIT.....................................................................3-27
3.9.5 PRESSURE ROLLER THERMOFUSE...........................................3-27
3.9.6 FUSING BELT UNIT AND PRESSURE ROLLER UNIT .................3-27
3.9.7 PRESSURE ROLLER THERMISTOR ............................................3-28
3.9.8 HOT ROLLER STRIPPERS ...........................................................3-28
3.9.9 PRESSURE ROLLER.....................................................................3-29
3.9.10 OIL ABSORBERS.........................................................................3-30
3.9.11 PAPER EXIT UNIT AND PAPER EXIT/
OVERFLOW SENSOR .................................................................3-31
3.10 PAPER FEED AND TRANSPORT ........................................................ 3-32
3.10.1 FEED ROLLER AND FRICTION PAD ..........................................3-32
3.10.2 REGISTRATION SENSOR...........................................................3-33
3.10.3 PAPER FEED SENSOR...............................................................3-35
3.10.4 PAPER NEAR-END SENSOR......................................................3-35
3.10.5 PAPER END SENSOR.................................................................3-35
3.11 BYPASS TRAY......................................................................................3-36
G071 ii SM
3.11.1 PICKUP/FEED ROLLER ..............................................................3-36
3.11.2 PAPER FEED CLUTCH ...............................................................3-37
3.11.3 REVERSE ROLLER .....................................................................3-37
Rev. 04/2003
TROUBLESHOOTING
4. TROUBLESHOOTING ................................................................. 4-1
4.1 SERVICE CALL.........................................................................................4-1
4.1.1 SERVICE CALL CONDITIONS ........................................................4-1
4.1.2 SC TABLE ........................................................................................ 4-2
4.2 CONTROLLER ERROR TABLE................................................................4-9
4.3 BLOWN FUSE CONDITIONS .................................................................4-12
4.4 CHECK POINTS FOR IMAGE PROBLEMS AT REGULAR
INTERVALS.............................................................................................4-12
SERVICE TABLES
5. SERVICE TABLES....................................................................... 5-1
5.1 SERVICE PROGRAM MODE....................................................................5-1
5.1.1 OPERATION PANEL KEYS .............................................................5-1
5.1.2 STARTING SERVICE PROGRAM MODE........................................5-2
Procedure 1 ..........................................................................................5-2
Procedure 2 ..........................................................................................5-2
5.1.3 MAIN MENU .....................................................................................5-2
5.1.4 SPECIFYING A VALUE OR SETTING .............................................5-3
5.1.5 LEAVING SERVICE MODE..............................................................5-3
5.2 SP MODE TABLES ................................................................................... 5-4
5.2.1 SERVICE (CONTROLLER SERVICE MODES) ...............................5-4
Bit Switch Settings ................................................................................5-6
Gamma Adjustment ..............................................................................5-8
5.2.2 ENGINE SERVICE MODES ...........................................................5-11
SP1-XXX: (Feed) ................................................................................5-11
SP2-XXX: (Drum)................................................................................5-15
SP3-XXX: (Process) ...........................................................................5-29
SP5-XXX: (Mode) ...............................................................................5-32
SP7-XXX: (Data Log)..........................................................................5-39
Input Check Table............................................................................... 5-47
Table 1: Tray 1 Paper Size ................................................................. 5-50
Table 2: 1st/2nd Bank Paper Size ......................................................5-50
Table 3: 1st/2nd Bank Near End.........................................................5-50
Output Check Table............................................................................5-51
5.3 CONTROLLER SELF-DIAGNOSTICS ....................................................5-53
5.3.1 OVERVIEW .................................................................................... 5-53
5.3.2 DETAILED SELF-DIAGNOSTICS ..................................................5-54
5.4 USER PROGRAM MODE .......................................................................5-55
5.5 UPGRADING SOFTWARE......................................................................5-56
5.5.1 OVERVIEW .................................................................................... 5-56
SM iii G071
5.5.2 UPGRADING..................................................................................5-57
Procedure ........................................................................................... 5-57
Error Recovery....................................................................................5-58
5.6 DIP SWITCHES.......................................................................................5-59
Controller Board.................................................................................. 5-59
BCU Board..........................................................................................5-59
5.7 PRINTING A TEST PATTERN ................................................................5-60
Rev. 04/2003
DETAILED SECTION DESCRIPTIONS
6. DETAILED SECTION DESCRIPTIONS ....................................... 6-1
6.1 OVERVIEW ...............................................................................................6-1
6.1.1 MAJOR COMPONENTS ..................................................................6-1
6.1.2 PAPER PATH...................................................................................6-2
6.1.3 DRIVE COMPONENTS ....................................................................6-3
6.1.4 ELECTRICAL COMPONENTS.........................................................6-4
Image Transfer .....................................................................................6-4
Development Units................................................................................6-5
Paper Path............................................................................................6-6
Drive Components ................................................................................6-7
Circuit Boards .......................................................................................6-8
6.2 PRINTING PROCESS OVERVIEW...........................................................6-9
6.3 PROCESS CONTROL ............................................................................6-11
6.3.1 OVERVIEW .................................................................................... 6-11
6.3.2 PROCESS CONTROL STEPS....................................................... 6-12
Six Steps.............................................................................................6-12
When is Process Control Done?......................................................... 6-12
6.4 PHOTOCONDUCTOR UNIT (PCU) ........................................................ 6-13
6.4.1 OVERVIEW .................................................................................... 6-13
6.4.2 NEW PHOTOCONDUCTOR UNIT DETECTION ...........................6-14
New PCU Sensor................................................................................6-14
Mechanism .........................................................................................6-14
PCU Counter ......................................................................................6-14
6.4.3 CHARGE CORONA UNIT ..............................................................6-15
Power Supply......................................................................................6-15
Wire Cleaning .....................................................................................6-15
Cleaning Interval.................................................................................6-15
Quenching ..........................................................................................6-16
6.4.4 OPC BELT DRIVE..........................................................................6-16
6.4.5 OPC BELT CLEANING UNIT ......................................................... 6-17
Toner Collection Augers .....................................................................6-17
Counter Blade + Brush .......................................................................6-17
Waste Toner Bottle Sensors ...............................................................6-17
Drive ...................................................................................................6-18
6.4.6 IMAGE TRANSFER BELT UNIT ....................................................6-19
Drive ...................................................................................................6-19
Belt Mark Sensor ................................................................................6-19
Bias Roller ..........................................................................................6-20
G071 iv SM
6.4.7 TRANSFER BELT CLEANING UNIT..............................................6-21
Bias Brush ..........................................................................................6-21
Bias Roller and Cleaning Blade ..........................................................6-21
Collecting Coil.....................................................................................6-21
Waste Toner Bottle Sensors ...............................................................6-21
Contact Mechanism ............................................................................6-22
Power Supply......................................................................................6-23
Drive ...................................................................................................6-23
6.5 LASER EXPOSURE................................................................................6-24
6.5.1 OVERVIEW .................................................................................... 6-24
Dust Shield Glass Cleaning ................................................................ 6-25
LD Unit Adjustment.............................................................................6-25
Polygonal Mirror..................................................................................6-25
Laser Diode Power Control.................................................................6-25
Maintenance Adjustment ....................................................................6-25
6.5.2 LD SAFETY SWITCH .....................................................................6-26
Operation Panel Message and Switch Mechanism............................. 6-27
6.6 DEVELOPMENT .....................................................................................6-28
6.6.1 OVERVIEW .................................................................................... 6-28
6.6.2 DEVELOPMENT UNIT ...................................................................6-29
Rollers and Agitators...........................................................................6-29
Replacing Units................................................................................... 6-29
Memory Chip ......................................................................................6-29
6.6.3 TONER SUPPLY MECHANISM .....................................................6-30
Toner Cartridge Agitators....................................................................6-30
Drive Power Path................................................................................ 6-30
Development Unit Agitator ..................................................................6-30
Toner Supply Roller and Doctor Roller ...............................................6-30
Shutter ................................................................................................6-30
6.6.4 TONER END DETECTION.............................................................6-31
Mechanism .........................................................................................6-31
Toner Near-End Detection ..................................................................6-31
Toner End Detection........................................................................... 6-32
Toner End Recovery ...........................................................................6-32
6.6.5 DEVELOPMENT UNIT CONTACT MECHANISM ..........................6-33
Mechanism .........................................................................................6-33
Reverse Rotation ................................................................................6-33
6.6.6 POWER SOURCE..........................................................................6-34
Development, Toner Supply, and Doctor Rollers................................6-34
Doctor Roller.......................................................................................6-34
6.7 PAPER FEED..........................................................................................6-35
6.7.1 OVERVIEW .................................................................................... 6-35
Transport Speed .................................................................................6-36
Friction Pad.........................................................................................6-36
6.7.2 STANDARD TRAY DRIVE .............................................................6-36
Feed and Vertical Transport Rollers ...................................................6-36
Registration Roller ..............................................................................6-36
6.7.3 STANDARD TRAY – BOTTOM PLATE LIFT .................................6-37
Lift Mechanism.................................................................................... 6-37
SM v G071
Paper Near End Detection ..................................................................6-37
Paper End Detection...........................................................................6-37
6.7.4 STANDARD TRAY - PAPER SIZE DETECTION ...........................6-38
Mechanism .........................................................................................6-38
Switch Pattern.....................................................................................6-38
6.7.5 BYPASS TRAY............................................................................... 6-39
Paper Feed Mechanism......................................................................6-39
Bypass Tray Drive Power Path ...........................................................6-39
Pick-up Solenoid................................................................................. 6-39
Paper End Sensor ..............................................................................6-39
6.8 PAPER TRANSFER AND SEPARATION ...............................................6-40
6.8.1 OVERVIEW .................................................................................... 6-40
Jammed Paper Release .....................................................................6-40
Image Transfer and Paper Separation................................................6-40
6.8.2 MECHANISM..................................................................................6-41
Timing .................................................................................................6-41
Mechanism .........................................................................................6-41
6.8.3 POWER SUPPLY...........................................................................6-42
Electric Power Path.............................................................................6-42
Transfer Roller Bias ............................................................................6-42
Discharge Plate ..................................................................................6-42
Temperature/Humidity Control............................................................6-42
Roller Cleaning ...................................................................................6-43
6.9 FUSING UNIT AND OIL SUPPLY UNIT.................................................. 6-44
6.9.1 OVERVIEW .................................................................................... 6-44
6.9.2 FUSING UNIT CONFIGURATION.................................................. 6-45
Fusing Belt..........................................................................................6-45
Oil Supply ...........................................................................................6-45
Heating Roller Lamp ...........................................................................6-45
Pressure Roller Lamp .........................................................................6-45
Pressure Roller Pawls.........................................................................6-45
Fusing Bias .........................................................................................6-46
Fusing Unit SCs.................................................................................. 6-46
6.9.3 TEMPERATURE CONTROL ..........................................................6-47
6.9.4 OIL SUPPLY AND CLEANING.......................................................6-48
Oil Supply ...........................................................................................6-48
Oil Path ...............................................................................................6-48
Oil Recycling.......................................................................................6-48
Belt Cleaning ......................................................................................6-48
Oil End Detection................................................................................ 6-49
Fusing unit switch ...............................................................................6-49
6.9.5 DRIVE.............................................................................................6-49
Drive Power Path (Fusing Unit and Oil Supply Roller) ........................6-49
Drive Power Path (Pressure Roller).................................................... 6-49
6.9.6 ENERGY SAVER MODE................................................................6-50
Level 1 Energy Saver Mode (default: off)............................................6-50
Level 2 Energy Saver Mode................................................................6-50
Ready Mode .......................................................................................6-50
6.9.7 PAPER EXIT ..................................................................................6-51
G071 vi SM
Drive Power Path................................................................................ 6-51
Paper Jam Detection ..........................................................................6-51
6.9.8 OVERFLOW DETECTION .............................................................6-51
6.10 PRINTED CIRCUIT BOARDS ............................................................... 6-52
6.10.1 PRINTER CONTROLLER ............................................................6-52
Function ..............................................................................................6-52
Memory...............................................................................................6-52
Interfaces ............................................................................................6-52
Slots....................................................................................................6-53
Options ...............................................................................................6-53
DIP Switch ..........................................................................................6-53
LED Indicators ....................................................................................6-53
6.10.2 BASE ENGINE CONTROL UNIT (BCU).......................................6-54
Function ..............................................................................................6-54
Upgrading ........................................................................................... 6-54
Nonvolatile Random Access Memory (NVRAM).................................6-54
DIP Switch ..........................................................................................6-54
6.10.3 INPUT/OUTPUT (I/O) BOARD .....................................................6-55
6.10.4 POWER SUPPLY UNIT (PSU)..................................................... 6-55
6.10.5 HIGH VOLTAGE SUPPLY............................................................6-55
6.11 CONTROLLER ......................................................................................6-56
6.11.1 OVERVIEW ..................................................................................6-56
6.11.2 BOARD LAYOUT..........................................................................6-58
6.11.3 PRINT DATA PROCESSING .......................................................6-59
RPCS Driver .......................................................................................6-59
PCL5c Driver ......................................................................................6-59
PS3 Driver ..........................................................................................6-60
CMS (Color Management System) .....................................................6-60
Gray Correction ..................................................................................6-60
BG/UCR (Black Generation/Under Color Removal)............................6-60
Gamma Correction..............................................................................6-60
Toner Limitation ..................................................................................6-61
Dither Processing and ROP/RIP......................................................... 6-61
6.11.4 CONTROLLER FUNCTIONS .......................................................6-62
Sample Print ....................................................................................... 6-62
Locked Print........................................................................................6-62
Paper Source Selection ......................................................................6-63
Auto Continue .....................................................................................6-64
Paper Output Tray ..............................................................................6-65
Stapling...............................................................................................6-66
6.12 IEEE1394 INTERFACE .........................................................................6-67
6.12.1 SPECIFICATIONS........................................................................6-67
Hardware Specification .......................................................................6-67
System Requirements.........................................................................6-67
6.12.2 IEEE1394 .....................................................................................6-67
6.12.3 BLOCK DIAGRAM........................................................................6-68
6.12.4 PIN ASSIGNMENT .......................................................................6-68
6.12.5 REMARKS ABOUT THIS INTERFACE KIT..................................6-69
6.12.6 TROUBLESHOOTING NOTES ....................................................6-69
SM vii G071
6.12.7 IP OVER IEEE 1394 .....................................................................6-70
6.13 IEEE 802.11B (WIRELESS LAN) .......................................................... 6-71
6.13.1 SPECIFICATIONS........................................................................6-71
6.13.2 BLOCK DIAGRAM........................................................................6-71
6.13.3 TRANSMISSION MODE...............................................................6-72
Ad hoc Mode.......................................................................................6-72
Infrastructure Mode............................................................................. 6-72
6.13.4 SECURITY FEATURES ...............................................................6-73
Using the SSID in Ad hoc mode .........................................................6-73
6.13.5 TROUBLESHOOTING NOTES ....................................................6-74
Communication Status........................................................................6-74
Channel Settings ................................................................................6-74
Troubleshooting Steps ........................................................................6-75
6.14 USB .......................................................................................................6-76
6.14.1 SPECIFICATIONS........................................................................6-76
6.14.2 USB 1.1/2.0 .................................................................................. 6-76
6.14.3 USB CONNECTORS....................................................................6-77
6.14.4 PIN ASSIGNMENT .......................................................................6-77
6.14.5 REMARKS....................................................................................6-78
Related SP Mode................................................................................ 6-78
SPECIFICATIONS
SPECIFICATIONS............................................................................. 7-1
1. GENERAL SPECIFICATIONS.....................................................................7-1
1.1 MAIN UNIT ..........................................................................................7-1
2. SUPPORTED PAPER SIZES...................................................................... 7-4
2.1 MAIN TRAY, BYPASS TRAY, AND DUPLEX UNIT ............................7-4
2.2 FINISHER, MAIL BOX, AND PAPER TRAY UNIT...............................7-5
3. SOFTWARE ACCESSORIES .....................................................................7-6
3.1 PRINTER DRIVERS............................................................................ 7-6
3.2 UTILITY SOFTWARE ..........................................................................7-6
4. MACHINE CONFIGURATION..................................................................... 7-7
4.1 SYSTEM COMPONENTS ...................................................................7-7
Exterior .................................................................................................7-7
Interior...................................................................................................7-8
Maintenance Kits ..................................................................................7-8
4.2 OPTIONAL EQUIPMENT ..............................................................7-9
Finisher .................................................................................................7-9
Mail Box ..............................................................................................7-10
Duplex Unit ......................................................................................... 7-10
Interchange Unit .................................................................................7-10
G071 viii SM
PAPER TRAY UNIT (G313)
SEE SECTION G313 FOR DETAILED TABLE OF CONTENTS
INTERCHANGE UNIT (G305)
SEE SECTION G305 FOR DETAILED TABLE OF CONTENTS
DUPLEX UNIT (G303)
SEE SECTION G303 FOR DETAILED TABLE OF CONTENTS
500-SHEET FINISHER (G314)
SEE SECTION G314 FOR DETAILED TABLE OF CONTENTS
FOUR-BIN MAILBOX (G312)
SEE SECTION G312 FOR DETAILED TABLE OF CONTENTS
SM ix G071
IMPORTANT SAFETY NOTICES
PREVENTION OF PHYSICAL INJURY
1. Before disassembling or assembling parts of the printer and peripherals, make sure that the printer power cord is unplugged.
2. The wall outlet should be near the printer and easily accessible.
3. 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.
4. The printer drives some of its components when it completes the warm-up period. Be careful to keep hands away from the mechanical and electrical components as the printer starts operation.
5. The inside and the metal parts of the fusing unit become extremely hot while the printer is operating. Be careful to avoid touching those components with your bare hands.
HEALTH SAFETY CONDITIONS
Toner and developer are non-toxic, but if you get either of them in your eyes by accident, it may cause temporary eye discomfort. Try to remove with eye drops or flush with water as first aid. If unsuccessful, get medical attention.
OBSERVANCE OF ELECTRICAL SAFETY STANDARDS
1. The printer and its peripherals must be serviced by a customer service representative who has completed the training course on those models.
2. The NVRAM module (option) installed on the controller 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.
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. 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.
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.
WARNING
Use of controls, or adjustment, or performance of procedures other than those specified in this manual may result in hazardous radiation exposure.
WARNING
WARNING: 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:
Trademarks
Microsoft
®
, Windows®, and MS-DOS® are registered trademarks of Microsoft
Corporation in the United States and /or other countries.
PostScript
®
PCL
Ethernet
PowerPC
®
is a registered trademark of Adobe Systems, Incorporated.
is a registered trademark of Hewlett-Packard Company.
®
is a registered trademark of Xerox Corporation.
®
is a registered trademark of International Business Machines
Corporation.
Other product names used herein are for identification purposes only and may be trademarks of their respective companies. We disclaim any and all rights involved with those marks.
Conventions in this Manual
This manual uses several symbols.
Symbol What it means
!
 
Refer to section number See Core Tech Manual for details
Screw Connector Clip ring E-ring
Lengthwise, SEF (Short Edge Feed)
Sideways, LEF (Long Edge Feed)
INSTALLATION
TAB
POSITION 1
PREVENTIVE MAINTENANCE
TAB
POSITION 2
REPLACEMENT AND ADJUSTMENT
TAB
POSITION 3
TROUBLESHOOTING
500-SHEET FINISHER G314
FOUR-BIN MAILBOX G312
TAB
POSITION 4
SERVICE TABLES
INTERCHANGE UNIT G305
DUPLEX UNIT G303
DETAILED DESCRIPTIONS
SPECIFICATIONS
PAPER TRAY UNIT G313
TAB
POSITION 5
TAB
POSITION 6
TAB
POSITION 7
TAB
POSITION 8

INSTALLATION

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