Samsung CLX-9251NA Manuals

Manuals and User Guides for Samsung CLX-9251NA. We have 2 Samsung CLX-9251NA manuals available for free PDF download: Service Manual

Samsung CLX-9251NA Service Manual

Samsung CLX-9251NA Service Manual (481 pages)

A3 Color Copier

Brand: Samsung | Category: Copier | Size: 24.38 MB

Table of Contents

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Samsung CLX-9251NA Service Manual

Samsung CLX-9251NA Service Manual (476 pages)

A3 Color Copier

Brand: Samsung | Category: Copier | Size: 24.51 MB

Table of Contents

Table of Contents
2
Precautions
9
- Safety Warning
  9
- Caution for Safety
  10
- ESD Precautions
  14
Product Specifications and Description
15
- Product Overview
  15
- Specifications
  16
  - General Specification
    16
  - Print Specifications
    17
  - Controller and Software Specification
    20
  - Network Interface
    22
  - Scan Specification
    24
  - Copy Specification
    26
  - Fax Specification
    28
  - Paper Handling Specification
    32
  - Supplies
    35
  - Maintenance Parts
    35
  - Option
    36
- Machine External View
  38
- Feeding System
  42
  - Feeding System Overview
    42
  - Main Components and Functions
    43
  - Cassette (Tray 1,2,3,4)
    47
  - Pick-Up Unit
    48
  - Registration Unit
    49
  - Mpf(Multi-Purpose Feeder) Unit
    50
- Image Creation
  51
  - Printing Process Overview
    51
  - Imaging Unit
    52
    
    Imaging Unit Overview
    52
    
    Drum Drive
    53
    
    Developer Unit
    54
  - ITB (Intermediate Transfer Belt) Unit
    56
    
    ITB Unit Overview
    56
  - Transfer Belt Drive
    57
  - Transfer Belt Cleaning
    58
Fuser Unit
59
- Fuser Unit Overview
  59
- Fuser Unit Drive
  60
- Fuser Unit Temperature Control
  61
Laser Scanning Unit (LSU)
62
- LSU Overview
  62
- Laser Scanning Optical Path
  63
- Laser Synchronizing Detectors
  64
- Automatic Line Position Adjustment
  65
- Shutter Mechanism
  68
Drive System
69
- Drive Motors
  69
- Main Drive Unit (OPC, DEVE, ITB, T1 DIS/ENG)
  71
- Pick up Drive
  72
- Regi/ MP Drive
  73
- Feed Drive
  74
- Fuser/Exit Drive
  75
- Waste Toner Container Drive
  76
- Toner Supply Drive
  76
Scanner System
77
- Scanner System Overview
  77
- Scanning System Components
  77
Duplex Automatic Document Feeder(DADF)
80
- DADF Overview
  80
- Electrical Parts Location
  81
- DADF Drive System
  82
Hardware Configuration
86
- Main Controller
  89
- Operation Panel (OPE) Controller
  93
- Adf Pba
  96
- SMPS (Switching Mode Power Supply) Board
  97
- Fuser Drive Board (FDB)
  99
- HVPS Board
  100
  - Eraser PBA
    101
  - Fuser PBA
    101
  - Waste Sensor PBA
    102
  - Crum Pba
    102
  - Deve CRUM Joint PBA
    102
  - Toner CRUM Joint PBA
    103
  - ITB Encoder PBA
    103
  - Scan Joint PBA
    104
  - Charge Coupled Device Module(CCDM) PBA
    105
  - White-LED(WLED) CTL PBA
    106
  - White-LED(WLED) al FRONT PBA
    106
- DCF Unit
  107
- Finisher
  113
- Wireless LAN Option
  116
Disassembly and Reassembly
121
- Precautions When Replacing Parts
  121
- Maintenance
  123
  - Machine Cleaning for Maintenance
    123
    
    Cleaning the ACR/CTD Sensor Window
    123
    
    Cleaning the LSU Window
    124
    
    Cleaning the Transfer Roller
    125
    
    Cleaning the Scan Glass
    125
  - Replacing the Maintenance Part
    126
    
    Drum Unit
    126
    
    Developer Unit
    127
    
    ITB Cleaner
    129
    
    ITB Unit
    129
    
    Fuser Unit
    131
    
    Transfer Roller
    131
    
    Pick-Up_Reverse_Forward Roller
    132
    
    MP Pick Up_Reverse_Forward Roller
    133
    
    DADF Pick-Up Roller Assy
    134
    
    DADF Friction Pad
    134
- Replacing the Main SVC Part
  135
  - Left Cover
    135
  - Rear Cover
    135
  - HVPS Board
    136
Temperature Sensor
136
Lsu
137
OPE Unit
138
Main Board
141
SMPS Fan
142
SMPS Board
143
FDB Board
143
Fuser-Duct Fan
144
Main Board Shield
144
Main Drive Unit
145
Fuser/Exit Drive Unit
145
Pick-Up Drive Unit
146
Feed Drive Unit
146
Regi_Mp Drive Unit
147
Toner Supply Drive Unit
147
Waste Toner Container Drive Unit
148
Auto Size Sensor
148
Exit Unit
149
Side Unit
150
- Fuser out Sensor
  151
- Duplex Sensor and Curl Sensor
  152
- MP Unit
  153
Fuser Unit
157
Pick-Up Unit and Sensor
160
Feed Sensor
160
Feed Unit
161
Registration Unit
162
DADF Unit
163
- DADF Cover
  164
- DADF Open Cover
  166
- DADF Stacker
  166
- DADF Main Board
  166
- DADF Motor_Solenoid_Clutch
  167
- DADF Regi_Cover_Detect Sensor
  169
- DADF Exit Idle Sensor
  169
- DADF Exit Sensor
  170
- DADF Length_Width Sensor
  170
Scanner Unit
171
- Scanner Joint Board
  171
- Scan Glass
  172
  - APS Sensor
    173
  - FR Module
    174
  - Scanner Assy
    175
  - Side Cover Open Switch
    176
  - Front Cover Open Switch
    176
  - Replacing the HDD
    177
  - DCF (Double Cassette Feeder)
    178
    
    DCF Main Board
    178
    
    DCF Feed Motor
    179
    
    DCF Pick up Motor
    179
  - Finisher
    180
    
    Finisher Main Motor
    180
    
    Finisher Board
    183
Troubleshooting
184
- Control Panel
  184
  - Introducing the Display Screen and Useful Buttons
    185
  - Job Status Button
    186
- Understanding the Status LED
  187
- Updating Firmware
  188
  - Updating from the Printer Control Panel
    188
  - Updating from the Network
    190
- Service Mode (Tech Mode)
  193
  - Entering/Exiting Service Mode
    193
  - Service Mode Menu Tree
    194
  - Information
    198
    
    General
    198
    
    Supply Status
    198
    
    Software Version
    199
    
    Service Hours
    199
    
    Fault Log
    199
    
    Print Reports
    200
    
    Export Reports
    201
  - Maintenance Counts
    202
    
    Fault Count
    202
    
    Jam Count
    202
    
    Part Replacement Count
    203
    
    Finisher Handling Count
    204
  - Diagnostics
    205
    
    Engine Diagnostics
    205
    
    Fax Diagnostics
    211
    
    Scanner Diagnostics
    213
  - Adjustment
    215
  - ACS (Auto Color Sensing)
    221
  - Image Management
    222
- Service Functions
  227
  - Main Memory Clear
    227
  - Hard Disk Maintenance
    227
  - Count Setting of Large Page
    227
  - Toner Save
    227
  - Port
    228
  - Debug Log
    228
  - Capture Log
    228
  - System Recovery
    230
  - TR Control Mode
    233
  - User Data Management
    234
- SFE (Special Feature Enablement)
  235
Error Code and Troubleshooting
236
- Ax-XXXX Type Error Code
  246
- A3–2113/4114 Error Code
  268
- CX-XXXX Type Error Code
  272
- C5–1110/1120 Error Code
  292
- H1-XXXX Type (DCF) Error Code
  302
- H2-XXXX (Finisher) Type Error Code
  314
- MX-XXXX Type Error Code
  327
- Sx-XXXX Type Error Code
  347
- U1-XXXX Type (Fuser) Error Code
  367
- U2-XXXX Type (LSU) Error Code
  379
- U3-XXXX Type Error Code
  382
Image Quality Problems and Solutions
387
- Vertical Black Band
  390
- Vertical White Band, Light Band
  391
- Horizontal Periodic Black Band or Dot
  393
- Horizontal Periodic Light/Dark Band or Dot
  394
- Foggy Image
  395
- Light Image
  396
- Blurred Image
  397
- Incorrect Color Registration
  398
- Uneven Pitch and Jitter Image
  399
- Skewed Image
  400
- Blank Copy
  401
- Poor Fusing Performance
  402
- Stain on the Paper Back Side
  403
Adjusting the LSU Skew Error
404
- Adjusting the DADF Skew
  406
- Troubleshooting Guide
  407
- Lcd Touch Problem
  421
System Diagram
453
Reference Information
457
- Tools for Troubleshooting
  457
- Glossary
  459
- Polaris Training Frequently Asked Questions
  465

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