Samsung MULTIXPRESS CLX-9251 Series User Manual (English)

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A3ColorCopier

CLX-9201/9251/9301series

CLX-9201ND/NA,

CLX-9251ND/NA,CLX-9301NA

(Ver3.29)

SERVICE

MANUAL

A3ColorCopierContents

1.Precautions

2.ProductSpecicationsandDescription

3.DisassemblyandReassembly

4.Troubleshooting

5.SystemDiagram

6.ReferenceInformation

RefertotheservicemanualintheGSPN(seetherearcover)formoreinformation.

Table of Contents2
Precautions9
Safety Warning9
Caution for Safety10
Toxic Material10
Electric Shock and Fire Safety Precautions10
Handling Precautions12
Assembly and Disassembly Precautions12
Disregarding this Warning May Cause Bodily Injury13
ESD Precautions14
Product Specifications and Description15
Product Overview15
Specifications16
General Specification16
Print Specifications17
Controller and Software Specification20
Scan Specification24
Copy Specification26
Fax Specification28
Paper Handling Specification32
Supplies35
Maintenance Parts35
Machine External View38
Feeding System42
Feeding System Overview42
Main Components and Functions43
Cassette (Tray 1,2,3,4)47
Pick-Up Unit48
Registration Unit49
Mpf(Multi-Purpose Feeder) Unit50
Image Creation51
Printing Process Overview51
Imaging Unit52
Imaging Unit Overview52
Drum Drive53
Developer Unit54
ITB (Intermediate Transfer Belt) Unit56
ITB Unit Overview56
Transfer Belt Drive57
Transfer Belt Cleaning58
Fuser Unit59
Fuser Unit Overview59
Fuser Unit Drive60
Fuser Unit Temperature Control61
Laser Scanning Unit (LSU)62
LSU Overview62
Laser Scanning Optical Path63
Laser Synchronizing Detectors64
Automatic Line Position Adjustment65
Shutter Mechanism68
Drive System69
Drive Motors69
Main Drive Unit (OPC, DEVE, ITB, T1 DIS/ENG)71
Pick up Drive72
Regi/ MP Drive73
Feed Drive74
Fuser/Exit Drive75
Waste Toner Container Drive76
Toner Supply Drive76
Scanner System77
Scanner System Overview77
Scanning System Components77
Duplex Automatic Document Feeder(DADF)80
DADF Overview80
Electrical Parts Location81
DADF Drive System82
DADF Original Drive Assembly83
DADF Registration (Regi) Drive Assembly84
DADF Feed Drive Assembly84
DADF Exit Drive Assembly85
Original Return Drive85
Hardware Configuration86
Main Controller89
Operation Panel (OPE) Controller93
Adf Pba96
SMPS (Switching Mode Power Supply) Board97
Fuser Drive Board (FDB)99
HVPS Board100
Eraser PBA103
Fuser PBA103
Waste Sensor PBA104
Crum Pba104
Deve CRUM Joint PBA104
Toner CRUM Joint PBA105
ITB Encoder PBA105
Scan Joint PBA106
Charge Coupled Device Module(CCDM) PBA107
White-LED(WLED) CTL PBA108
White-LED(WLED) al FRONT PBA108
DCF Unit109
Finisher115
Wireless LAN Option118
Disassembly and Reassembly123
Precautions When Replacing Parts123
Precautions When Assembling and Disassembling123
Precautions When Handling PBA123
Releasing Plastic Latches124
Maintenance125
Machine Cleaning for Maintenance125
Cleaning the ACR/CTD Sensor Window125
Cleaning the LSU Window126
Cleaning the Transfer Roller127
Cleaning the Scan Glass127
Replacing the Maintenance Part128
Drum Unit128
Developer Unit129
ITB Cleaner131
ITB Unit131
Fuser Unit133
Transfer Roller133
Pick-Up_Reverse_Forward Roller134
MP Pick Up_Reverse_Forward Roller135
DADF Pick-Up Roller Assy136
DADF Friction Pad136
Replacing the Main SVC Part137
Left Cover137
Rear Cover137
HVPS Board138
Temperature Sensor138
Lsu139
OPE Unit140
Main Board143
SMPS Fan144
SMPS Board145
FDB Board145
Fuser-Duct Fan146
Main Board Shield146
Main Drive Unit147
Fuser/Exit Drive Unit147
Pick-Up Drive Unit148
Feed Drive Unit148
Regi_Mp Drive Unit149
Toner Supply Drive Unit149
Waste Toner Container Drive Unit150
Auto Size Sensor150
Exit Unit151
Side Unit152
Fuser out Sensor153
Duplex Sensor and Curl Sensor154
MP Unit155
Fuser Unit159
Pick-Up Unit and Sensor162
Feed Sensor162
Feed Unit163
Registration Unit164
DADF Unit165
DADF Cover166
DADF Open Cover168
DADF Stacker168
DADF Main Board168
DADF Motor_Solenoid_Clutch169
DADF Regi_Cover_Detect Sensor171
DADF Exit Idle Sensor171
DADF Exit Sensor172
DADF Length_Width Sensor172
Scanner Unit173
Scanner Joint Board173
Scan Glass174
APS Sensor175
Module176
Scanner Assy177
Side Cover Open Switch178
Front Cover Open Switch178
Replacing the HDD179
DCF (Double Cassette Feeder)180
DCF Main Board180
DCF Feed Motor181
DCF Pick up Motor181
Finisher182
Finisher Main Motor182
Finisher Board185
Troubleshooting186
Control Panel186
Introducing the Display Screen and Useful Buttons187
Understanding the Status LED189
Updating Firmware190
Updating from the Printer Control Panel190
Updating from the Network192
Service Mode (Tech Mode)195
Entering/Exiting Service Mode195
Service Mode Menu Tree196
Information200
General200
Supply Status200
Software Version201
Service Hours201
Fault Log201
Print Reports202
Export Reports203
Maintenance Counts204
Fault Count204
Jam Count204
Part Replacement Count205
Finisher Handling Count206
Diagnostics207
Engine Diagnostics207
Fax Diagnostics213
Scanner Diagnostics215
Adjustment217
ACS (Auto Color Sensing)223
Image Management224
Service Functions229
Main Memory Clear229
Hard Disk Maintenance229
Count Setting of Large Page229
Toner Save229
Port230
Debug Log230
Capture Log230
System Recovery232
TR Control Mode235
User Data Management236
SFE (Special Feature Enablement)237
Error Code and Troubleshooting238
Ax-XXXX Type Error Code248
CX-XXXX Type Error Code274
H1-XXXX Type (DCF) Error Code304
H2-XXXX (Finisher) Type Error Code316
MX-XXXX Type Error Code329
Sx-XXXX Type Error Code349
U1-XXXX Type (Fuser) Error Code369
U2-XXXX Type (LSU) Error Code381
U3-XXXX Type Error Code384
Image Quality Problems and Solutions389
Vertical Black Band392
Vertical White Band, Light Band393
Horizontal Periodic Black Band or Dot395
Horizontal Periodic Light/Dark Band or Dot396
Foggy Image397
Light Image398
Blurred Image399
Incorrect Color Registration400
Uneven Pitch and Jitter Image401
Skewed Image402
Blank Copy403
Poor Fusing Performance404
Stain on the Paper Back Side405
Adjusting the LSU Skew Error406
Adjusting the DADF Skew408
Troubleshooting Guide409
System Diagram455
Reference Information461
Tools for Troubleshooting461
Glossary463
Polaris Training Frequently Asked Questions469
Document Revision List480

Samsung MULTIXPRESS CLX-9251 Series User Manual

Table of Contents

Samsung MULTIXPRESS CLX-9251 Series Specifications

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Brand	Samsung
Model	MULTIXPRESS CLX-9251 Series
Category	Copier
Language	English