Samsung MultiXpress K7 Series

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4.Troubleshooting

CodeNameDescriptionStateDisplayed

21-058V .3424000bpsLine2EmitsV.3424000bpsLine2On/Off

21-059V .3426400bpsLine2EmitsV.3426400bpsLine2On/Off

21-060V .3428800bpsLine2EmitsV.3428800bpsLine2On/Off

21-061V .3431200bpsLine2EmitsV.3431200bpsLine2On/Off

21-062V .3433600bpsLine2EmitsV.3433600bpsLine2On/Off

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Table of Contents2
Precautions11
Safety Warning11
Caution for Safety12
Toxic Material12
Electric Shock and Fire Safety Precautions12
Handling Precautions14
Assembly and Disassembly Precautions14
Disregarding this Warning May Cause Bodily Injury15
ESD Precautions16
Product Specifications and Description17
Product Overview17
Specifications18
General Specification18
Print Specifications20
Scan Specification22
Copy Specification23
Fax Specification24
Paper Handling Specification26
Network and Software Specification29
Supplies32
Maintenance Parts33
Machine External View40
Feeding System44
Feeding System Overview44
Main Components and Functions45
Cassette (Tray)50
Pick-Up Unit51
Registration Unit52
Mpf(Multi-Purpose Feeder) Unit53
Image Creation54
Printing Process Overview54
Imaging Unit55
Drum Unit Overview55
Drum Drive56
Deve(Development) Unit57
Toner Cartridge59
PTB (Paper Transfer Belt) Unit60
PTB Unit Overview60
Transfer Belt Drive61
Cleaning Blade62
Fuser Unit63
Fuser Unit Overview63
Fuser Unit Drive64
Fuser Unit Temperature Control65
Laser Scanning Unit (LSU)66
LSU Overview66
Laser Scanning Optical Path67
Laser Synchronizing Detectors68
Drive System69
Drive Motors69
Main Drive Unit(Opc_Deve_Itb)71
Pick-Up and CST Lift Drive72
Feed Drive73
Regi Drive74
Toner Supply Drive76
Toner-Reservoir Drive77
CST Lock Drive78
Scanner System79
Scanner System Overview79
Scanning System Components82
Caution for Moving the Scanner88
Dual Scan Document Feeder(DSDF) for LX Model89
DSDF Overview89
Electrical Parts Location90
DSDF Drive System92
DSDF Original Pick-Up Assembly93
DSDF Original Regi. Drive94
Original Scanning and Feed-Out Drive95
Dual Scan Document Feeder(DSDF) for GX Model96
DSDF Overview96
Electrical Parts Location97
DSDF Drive System100
DSDF Original Pick-Up Assembly101
DSDF Original Pre-Regi Assembly102
DSDF Original Regi Assembly103
DSDF Original Scanning Drive Assembly104
DSDF Original Exit Assembly105
DSDF Original Lifting Assembly106
DSDF Original Pick-Up_Reverse Roller Release Assembly107
DSDF Scan in Roller Release Assembly108
Hardware Configuration109
Main Controller (Main Board)111
Hub Pba122
SMPS (Switching Mode Power Supply) PBA (Type5)124
SMPS (Switching Mode Power Supply) PBA (Type3R)126
SMPS (Switching Mode Power Supply) PBA (Type4)128
Fuser Drive Board (FDB)130
HVPS (High Voltage Power Supply) Board131
Eraser PBA133
Fuser PBA133
Waste Sensor PBA134
Paper Size Sensor PBA134
OPE Unit135
Dsdf Pba137
Scan Joint PBA138
CCDM Pba139
Wled if Pba140
Wled Pba140
Double Cassette Feeder(DCF) Unit141
High Capacity Feeder(HCF) Unit147
High Capacity Feeder Side Unit (Large Cassette Tray Unit)153
Disassembly and Reassembly161
Precautions When Replacing Parts161
Precautions When Assembling and Disassembling161
Precautions When Handling PBA161
Releasing Plastic Latches162
Maintenance163
Machine Cleaning for Maintenance163
Cleaning the Scan Glass163
Cleaning the Paper Dust Stick165
Replacing the Maintenance Part167
Development(Deve) Unit167
Fuser Unit169
Paper Transfer Belt170
Pick-Up_Separation_Forward Roller171
MP Pick Up_Reverse_Forward Roller172
DSDF Pick-Up Roller Assy (LX Model)173
DSDF Reverse Roller (LX Model)174
DSDF Pick-Up Roller Assy (GX Model)176
DSDF Reverse Roller Assy (GX Model)177
Replacing the Main SVC Part179
Left Cover179
Rear Cover179
Lsu180
Temperature_Humidity Sensor180
Reservoir Assy181
OPE Unit182
Main Board183
HVPS Board183
SMPS Board184
SMPS Board 1184
SMPS Board 2185
SMPS Board 3186
FDB (Fuser Drive Board)187
SMPS Fan188
Main Drive Unit188
Inductor Unit189
Auto-Closing Unit190
Pick-Up Drive Unit 1191
Pick-Up Drive Unit 2191
Regi Drive Unit192
Feed Drive Unit192
Fuser Fan193
Fuser_Exit Drive Unit194
Side Door Open Sensor194
Deve Fan195
Auto Size Sensor196
Inner Cover197
Front Cover Open Sensor199
Waste Toner Container Sensor200
HDD (Hard Disk Drive)200
High Voltage Terminal202
Side Unit203
Fuser-Out Sensor204
Feed 2 Sensor205
MP Unit207
MP Empty Sensor209
MP Paper Length Sensor209
MP Solenoid210
Pick-Up Unit 2211
Pick up Lifting Sensor and Empty Sensor211
Pick-Up Unit 1213
Pick-Up Lifting Sensor and Empty Sensor213
Pre-Feed Sensor 1214
Regi Unit214
Regi Sensor215
Exit Unit216
Return Sensor217
Duplex 1 Sensor218
Exit Gate Solenoid219
DSDF Unit for LX Model220
Dsdf Pba221
DSDF Main Motor222
DSDF Paper Length Sensor223
DSDF Unit for GX Model225
Dsdf Pba226
DSDF Stacker Sensor227
Scanner Unit(Platen Unit)229
Scan Glass231
LED Lamp Module233
Scan Imaging Unit234
Scan Joint PBA237
APS Sensor238
ADF White Sponge239
Double Cassette Feeder(DCF) Unit240
DCF Feed Motor240
DCF Pick-Up Motor241
Dcf Pba242
High Capacity Feeder(HCF) Unit243
HCF Feed Motor243
HCF Pick-Up Motor244
Hcf Pba245
HCF Lift-Up Motor246
HCF Shaft Motor247
High Capacity Feeder Side Unit (Large Cassette Tray Unit)248
LCT Feed Motor248
LCT Pick-Up Motor249
Lct Pba249
LCT Lift-Up Motor251
Troubleshooting252
Control Panel252
Display Screen and Useful Buttons253
Menu Navigation253
Home Screen Overview254
Customizing Your Home Screen255
Notification Bar257
Understanding the Leds258
Updating Firmware259
Updating from the Printer Control Panel259
Updating from the Network260
JAM Removal263
Clearing Original Document Jams263
Clearing Paper Jams266
Service Mode (Tech Mode)271
Entering the Service Mode271
Service Mode Menu Tree272
Information277
General277
Supply Status277
Software Version278
Service Hours278
Fault Log278
Print Reports278
Export Reports279
Maintenance Counts280
Fault Count280
Jam Count280
Part Replacement Count281
Diagnostics282
Engine Diagnostics282
Fax Diagnostics291
Scanner Diagnostics296
Adjustment300
Image Management308
Print Test Patterns308
Service Functions309
Main Memory Clear309
Hard Disk Maintenance309
Count Setting of Large Page309
Network Port310
Debug Log310
Capture Log310
Network Packet Capture311
System Recovery312
TR Control Mode314
Clear System Cache315
Hibernation315
Paper Low Warning Message315
Part Replacement Alert315
Fdi316
EIUL (End of Image Unit Life)316
SFE (Special Feature Enablement)316
Dealer ID317
Envelope Rotate317
Drain318
Error Code and Troubleshooting319
11-2Txx (Paper Mismatch Error)320
61-1Xxx (System Error)321
A1-XXXX (Motor Error)322
A2-XXXX (Fan Error)327
A3-XXXX (Sensor Error)329
C1-XXXX (Toner Cartridge Error)332
C3-XXXX (Drum Unit Error)335
C6-XXXX (Fuser Unit Error)339
C7-XXXX (Waste Toner Container Error)340
C8-XXXX (Developer Error)342
C9-XXXX (Transfer Belt Error)343
H1-XXXX (Double Cassette Feeder Unit Error)345
H1-XXXX (High Capacity Feeder Unit Error)358
H1-XXXX (High Capacity Feeder Side Unit(LCT Unit) Error)364
H2-XXXX (Finisher Error)372
MX-XXXX (Jam Error)373
MX-XXXX (Tray Not Install_Paper Empty_Outbin Full)384
Sx-XXXX (System Error)393
U1-XXXX (Fuser Error)413
U2-XXXX (LSU Error)416
U3-XXXX (Document Feeder Error_Dsdf for LX Model)419
U3-XXXX (Document Feeder Error_Dsdf for GX Model)425
Image Quality Problems and Solutions431
Vertical Black Lines434
Vertical Light or White Lines435
Horizontal Periodic Black Band or Dot437
Horizontal Periodic Light/Dark Lines, Dots438
Blurred Image439
Foggy Image440
Light Image441
Uneven Pitch and Jitter Image442
Skewed Image443
Poor Fusing Performance444
Stain on the Paper Back Side445
Setting Standard Tone446
Scan Waveform Drop Image449
Other Errors451
Image System Problem451
Fuser Problem454
Scanner and Document Feeder Problem457
Drive Unit Problem461
Feeding System Problem462
LSU Problem464
Electrical Circuit Problem465
Adjustment470
Adjusting the ADF(DSDF) Skew470
Adjusting the Scan FR Carriage Flatness472
Adjusting the Scan Top Skew474
SPDS (Smart Printer Diagnostic System) Application476
SPDS App Installation and Login477
SPDS App Installation477
User Registration Request478
Change_Reset Password479
Login481
Select Connect Method482
Consent to Customer Information485
SPDS Menu Introduction486
Error Mode486
Diagnosis Mode491
Test Mode492
Information Mode493
Service Mode495
Corrective Upload500
Exceptions501
Connection Diagram503
Connection Diagram (FUSER_EXIT_DUPLEX_TONER)503
Connection Diagram (Scanner)504
Connection Diagram (LSU_OPE_USB)505
Connection Diagram (Side_Mp_Feed_Regi_Pick-Up)506
Connection Diagram (OPC_WTB_CST Lock)507
Connection Diagram (HVPS_SMPS_FDB)508
Reference Information509
Tools for Troubleshooting509
Glossary511
Model Name and Code517
Document Revision List518

Samsung MultiXpress K7 Series - Page 295

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