Samsung CLX-9250ND

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3. Replaceme

Service Manual

CLX-9250/9350 series

3-1

t Procedures

7. Open the left cover and disconnect 2 internal fan

connector.

8. Remove 4 screws and remove the left lower cover.

9. Remove 2 screws linked ground.

SAMSUNG ELECTRONICS

Main Page

Service Manual1
Safety Warning13
Caution for Safety14
Handling Precautions15
ESD Precautions17
Product Description18
Specifications18
Printer Specifications19
Copier Specifications19
Scanner Specifications20
Fax Specifications20
Paper Specifications22
System Configuration25
Front View 125
Front View 226
Rear View27
Inner View28
Paper Path33
Sensor Location34
Paper Handling Section38
Components41
Functions42
Paper Tray43
Pick up Unit44
Registration Unit45
MPF Unit46
Imaging Unit47
Drum Drive50
Transfer Belt Drive54
Fuser Unit56
Fuser Unit Drive58
Temperature Control59
Laser Scanning Unit60
Automatic Line Position Adjustment63
Adjustment Conditions64
Shutter Mechanism66
Printer Drive System67
Front View69
Pick-Up Drive70
LSU Shutter Drive73
Toner Supply Drive74
Scanner System75
DADF System78
Electric Parts Layout79
Dadf Drive System80
Drive Assembly83
Video Controller86
OPE Controller87
Engine Controller88
Scan Controller89
DADF Controller106
Interface Part107
SMPS Board108
HVPS Board110
Lsu2/Lsu3114
Toner Connector PBA115
Deve Joint PBA116
Eraser PBA117
Cassette Joint PBA118
Fuser PBA119
Crum Pba120
Deve Crum Joint PBA121
ITB Encoder PBA122
Scan Joint PBA123
CCDM Pba124
DADF Length Sensor PBA125
DADF Width Sensor PBA126
DADF LED Panel PBA127
Heating Cables128
Cover130
Inner Cover132
Left Cover135
Rear Cover136
OPE Unit137
Scan Unit142
Scan Glass143
Scan Main PBA144
Lamp145
Original Size Detection Sensor147
Joint Sub PBA148
Pulley-Belt149
Scan Motor and Gear Belt150
Scanner Heating Cable151
Align Set155
Fuser Unit156
NC Thermistor and Thermostat157
Thermistor158
Fuser NIP Motor159
Halogen Lamp162
EEPROM and Photo Sensor165
Gear166
Heat Roller167
Fuser Belt169
Cautions for Reassembly173
Cartridge Transfer Unit178
Electrical Components184
Video Controller186
Joint PBA187
Toner Pbas188
Toner Motor189
HVPS Board191
Lift Motor194
Smps Fan195
Ozone Filter FAN197
Side Joint Board198
Main Drive Unit199
Main Drive PBA200
Main Drive Clutches201
Main Drive Sensors202
Pick up Drive Unit203
Pickup Drive Clutch204
Mp/Regi Drive Unit205
Mp/Regi Drive Motor206
Exit Drive Unit207
Duplex Return Drive Motor208
Exit Drive Clutch209
DADF Unit210
Width/Length Sensor219
DADF Main PBA220
DADF Motor222
DADF Cover Open225
DADF Solenoid228
Paper Handling Section229
Cover-Side Unit233
Duplex Unit234
MP Tray235
Face up Exit Lower237
Solenoid238
Exit Unit239
Laser Scanning Unit242
Cassette Heating Cable247
Service Mode250
Information Tab251
Maintenance Counts Tab253
Diagnostics Tab254
Information255
Software Version257
Maintenance Counts259
Jam Count260
Part Replacement Count262
Diagnotics263
Engine Test Routines266
Fax Diagnostics273
Fax Test Routines274
Scanner Diagnostics276
Scanner/Dadf Test Routines277
Adjustment279
Copy Adjustment281
Scan Area Adjustment282
DADF Adjustment284
Finisher Adjustment286
Acs(Auto Color Sensing)289
Color Management290
Full Color Registration291
Auto Color Tone Adjustment292
Main Memory Clear295
Port296
TR Control Mode297
Updating Firmware298
PM Supplies308
Transfer Unit310
PM Procedures312
Imaging Unit314
Cartridge Transfer Unit319
Fuser Unit323
Pick Up/ Retard/ Forward Roller324
Dust Filters325
Cleaning the PM Parts333
Cleaning the Pick up Roller334
Cleaning the Regi Roller335
Cleaning the Tray2 Feed Roller336
Cleaning the LSU Window337
Cleaning the DADF Rollers339
Troubleshooting341
Error Code and Error Message343
Error Code Details355
Nd Transfer Roller424
Image Quality Problems486
Vertical White Band / Dark Band489
Color Spot492
Foggy Background493
Blurred Image494
Incorrect Color Registration495
Uneven Pitch and Jitter Image497
Skewed Image498
Low Image Density499
Blank Copy, Black Copys506
Gradation Reproduction Failure510
Void Areas, White Spots512
Stain on the Paper Back Side514
White Halo515
DADF Skew Testing516
Other Errors521
Engine 1526
Engine 2527
Main Board & OPE528
Scan & DADF529
DC Control Board & LSU Joint Board531
Heater533
System Recovery534
Entry Point535
Network538
Error Page540
Progress Page541
Error List542
HDD Failure544
Abbreviations545

Samsung CLX-9250ND - Page 244

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