User Manuals: Samsung CLX-9251NA Color Laser MFP

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

Samsung CLX-9251NA Service Manual (481 pages)

A3 Color Copier

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

Table of Contents
2
Precautions
9
Safety Warning
9
Caution for Safety
10
Toxic Material
10
Electric Shock and Fire Safety Precautions
10
Handling Precautions
12
Assembly and Disassembly Precautions
12
Disregarding this Warning May Cause Bodily Injury
13
ESD Precautions
14
Product Specifications and Description
15
Product Overview
15
Specifications
16
General Specification
16
Print Specifications
17
Controller and Software Specification
20
Scan Specification
24
Copy Specification
26
Fax Specification
28
Paper Handling Specification
32
Supplies
35
Maintenance Parts
35
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
DADF Original Drive Assembly
83
DADF Registration (Regi) Drive Assembly
84
DADF Feed Drive Assembly
84
DADF Exit Drive Assembly
85
Original Return Drive
85
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
103
Fuser PBA
103
Waste Sensor PBA
104
Crum Pba
104
Deve CRUM Joint PBA
104
Toner CRUM Joint PBA
105
ITB Encoder PBA
105
Scan Joint PBA
106
Charge Coupled Device Module(CCDM) PBA
107
White-LED(WLED) CTL PBA
108
White-LED(WLED) al FRONT PBA
108
DCF Unit
109
Finisher
115
Wireless LAN Option
118
Disassembly and Reassembly
123
Precautions When Replacing Parts
123
Precautions When Assembling and Disassembling
123
Precautions When Handling PBA
123
Releasing Plastic Latches
124
Maintenance
125
Machine Cleaning for Maintenance
125
Cleaning the ACR/CTD Sensor Window
125
Cleaning the LSU Window
126
Cleaning the Transfer Roller
127
Cleaning the Scan Glass
127
Replacing the Maintenance Part
128
Drum Unit
128
Developer Unit
129
ITB Cleaner
131
ITB Unit
131
Fuser Unit
133
Transfer Roller
133
Pick-Up_Reverse_Forward Roller
134
MP Pick Up_Reverse_Forward Roller
135
DADF Pick-Up Roller Assy
136
DADF Friction Pad
136
Replacing the Main SVC Part
137
Left Cover
137
Rear Cover
137
HVPS Board
138
Temperature Sensor
138
Lsu
139
OPE Unit
140
Main Board
143
SMPS Fan
144
SMPS Board
145
FDB Board
145
Fuser-Duct Fan
146
Main Board Shield
146
Main Drive Unit
147
Fuser/Exit Drive Unit
147
Pick-Up Drive Unit
148
Feed Drive Unit
148
Regi_Mp Drive Unit
149
Toner Supply Drive Unit
149
Waste Toner Container Drive Unit
150
Auto Size Sensor
150
Exit Unit
151
Side Unit
152
Fuser out Sensor
153
Duplex Sensor and Curl Sensor
154
MP Unit
155
Fuser Unit
159
Pick-Up Unit and Sensor
162
Feed Sensor
162
Feed Unit
163
Registration Unit
164
DADF Unit
165
DADF Cover
166
DADF Open Cover
168
DADF Stacker
168
DADF Main Board
168
DADF Motor_Solenoid_Clutch
169
DADF Regi_Cover_Detect Sensor
171
DADF Exit Idle Sensor
171
DADF Exit Sensor
172
DADF Length_Width Sensor
172
Scanner Unit
173
Scanner Joint Board
173
Scan Glass
174
APS Sensor
175
Module
176
Scanner Assy
177
Side Cover Open Switch
178
Front Cover Open Switch
178
Replacing the HDD
179
DCF (Double Cassette Feeder)
180
DCF Main Board
180
DCF Feed Motor
181
DCF Pick up Motor
181
Finisher
182
Finisher Main Motor
182
Finisher Board
185
Troubleshooting
186
Control Panel
186
Introducing the Display Screen and Useful Buttons
187
Understanding the Status LED
189
Updating Firmware
190
Updating from the Printer Control Panel
190
Updating from the Network
192
Service Mode (Tech Mode)
195
Entering/Exiting Service Mode
195
Service Mode Menu Tree
196
Information
200
General
200
Supply Status
200
Software Version
201
Service Hours
201
Fault Log
201
Print Reports
202
Export Reports
203
Maintenance Counts
204
Fault Count
204
Jam Count
204
Part Replacement Count
205
Finisher Handling Count
206
Diagnostics
207
Engine Diagnostics
207
Fax Diagnostics
213
Scanner Diagnostics
215
Adjustment
217
ACS (Auto Color Sensing)
223
Image Management
224
Service Functions
229
Main Memory Clear
229
Hard Disk Maintenance
229
Count Setting of Large Page
229
Toner Save
229
Port
230
Debug Log
230
Capture Log
230
System Recovery
232
TR Control Mode
235
User Data Management
236
SFE (Special Feature Enablement)
237
Error Code and Troubleshooting
238
Ax-XXXX Type Error Code
248
CX-XXXX Type Error Code
274
H1-XXXX Type (DCF) Error Code
304
H2-XXXX (Finisher) Type Error Code
316
MX-XXXX Type Error Code
329
Sx-XXXX Type Error Code
349
U1-XXXX Type (Fuser) Error Code
369
U2-XXXX Type (LSU) Error Code
381
U3-XXXX Type Error Code
384
Image Quality Problems and Solutions
389
Vertical Black Band
392
Vertical White Band, Light Band
393
Horizontal Periodic Black Band or Dot
395
Horizontal Periodic Light/Dark Band or Dot
396
Foggy Image
397
Light Image
398
Blurred Image
399
Incorrect Color Registration
400
Uneven Pitch and Jitter Image
401
Skewed Image
402
Blank Copy
403
Poor Fusing Performance
404
Stain on the Paper Back Side
405
Adjusting the LSU Skew Error
406
Adjusting the DADF Skew
408
Troubleshooting Guide
409
System Diagram
455
Reference Information
461
Tools for Troubleshooting
461
Glossary
463
Polaris Training Frequently Asked Questions
469
Document Revision List
480

Samsung CLX-9251NA Service Manual (476 pages)

A3 Color Copier

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

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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