Samsung MultiXpress SL-K4250RX Manuals

Manuals and User Guides for Samsung MultiXpress SL-K4250RX. We have 1 Samsung MultiXpress SL-K4250RX manual available for free PDF download: Service Manual

Samsung MultiXpress SL-K4250RX Service Manual (526 pages)

A3 Mono Copier

Brand: Samsung | Category: Copier | Size: 20.85 MB

Table of Contents
2
Precautions
11
Safety Warning
11
Caution for Safety
12
Toxic Material
12
Electric Shock and Fire Safety Precautions
12
Handling Precautions
14
Assembly and Disassembly Precautions
14
Disregarding this Warning May Cause Bodily Injury
15
ESD Precautions
16
Product Specifications and Description
17
Product Overview
17
Specifications
18
General Specification
18
Print Specifications
20
Scan Specification
22
Copy Specification
24
Fax Specification
25
Paper Handling Specification
27
Software and Solution Specification
28
Supplies
30
Maintenance Parts
31
Machine External View
36
Feeding System
40
Feeding System Overview
40
Main Components and Functions
41
Cassette
45
Pick-Up Unit
46
Registration Unit
47
Mpf(Multi-Purpose Feeder) Unit
48
Image Creation
49
Printing Process Overview
49
Imaging Unit
50
Imaging Unit Overview
50
Drum Drive
51
Developer Unit
52
Fuser Unit
54
Fuser Unit Overview
54
Fuser Unit Drive
55
Fuser Unit Temperature Control
56
Laser Scanning Unit (LSU)
57
LSU Overview
57
Laser Scanning Optical Path
58
Laser Synchronizing Detectors
59
Drive System
60
Drive Motors
60
Main Drive Unit (Opc_Deve_Regi_Mp_Feed)
61
Pick up Drive
64
Duct Drive
65
Fuser/ Exit Drive
66
Toner Supply Drive
67
Scanner System
68
Scanner System Overview
68
Scanning System Components
71
Caution for Moving the Scanner
77
Dual Scan Document Feeder(DSDF) for K4350 and K4300
78
DSDF Overview
78
Electrical Parts Location
79
DSDF Drive System
81
DSDF Original Pick-Up Assembly
82
DSDF Original Regi. Drive
83
Original Scanning and Feed-Out Drive
84
Reverse Automatic Document Feeder(RADF) for K4250
85
RADF Overview
85
Electrical Parts Location
86
RADF Drive System
87
RADF Original Pick-Up Assembly
88
RADF Registration (Regi) Drive Assembly
89
RADF Feed Drive Assembly
90
RADF Exit Drive Assembly
91
Original Return Drive
92
Hardware Configuration
93
Main Controller (Main Board)
96
Ope Hub Pba
101
SMPS (Switching Mode Power Supply) Board
102
Fuser Drive Board (FDB)
104
HVPS Board
105
Eraser PBA
107
Fuser PBA
107
Waste Sensor PBA
108
Crum Pba
108
Toner CRUM Joint PBA
108
Paper Size Sensor PBA
109
Ctd Pba
109
OPE Unit
110
Cassette Heater
111
DCF Unit
112
Inner Finisher
118
Disassembly and Reassembly
122
Precautions When Replacing Parts
122
Precautions When Assembling and Disassembling
122
Precautions When Handling PBA
122
Releasing Plastic Latches
123
Maintenance
124
Machine Cleaning for Maintenance
124
Cleaning the Scan Glass
124
Cleaning the DSDF White Bar_Cis
125
Cleaning the Paper Dust Stick
126
Replacing the Maintenance Part
128
Drum Unit
128
Development(Deve) Unit
130
Fuser Unit
134
Transfer Roller
135
Pick Up_Reverse_Forward Roller
135
MP Pick Up_Reverse_Forward Roller
136
DSDF Pick-Up Roller Assy
137
DSDF Reverse Roller
138
RADF Pick up Roller Assy
140
RADF Reverse Roller Assy
141
Replacing the Main SVC Part
142
Left Cover
142
Rear Cover
142
Lsu
143
Temperature Sensor
143
HVPS Board
144
OPE Unit
145
Main Board
147
Deve Fan
147
SMPS Board
148
FDB Board
149
Fuser_Exit Drive Unit
149
Main Drive Unit
150
Pick-Up Drive Unit
150
Toner Duct Drive Unit
151
Toner Supply Drive Unit
151
Toner Duct
152
Waste Toner Container Sensor
152
Auto Size Sensor
153
Exit Unit
153
Side Unit
154
Fuser out Sensor
155
Temperature Sensor and Duplex Sensor
156
MP Unit
157
Pick-Up Unit and Sensor
161
Feed Sensor 1
162
Feed Unit and Feed Sensor 2
163
Registration(Regi.) Unit
164
DSDF Unit
165
DSDF Board
167
DSDF Main Motor
168
DSDF Paper Length Sensor
169
RADF Unit
171
RADF Board
172
RADF Stacker
173
Scanner Unit(Platen Unit)
174
Scan Glass
176
LED Lamp Module
178
Scanner Imaging Unit
179
Scan Joint Board
180
APS Sensor
181
Side Cover Open Switch
182
Front Cover Open Switch
183
Hdd
184
Card Reader or NFC Kit Installation
185
Installing the Card Reader or NFC Kit on Working Table(BYOD) Table
185
Installing the Card Reader or NFC Kit Inside Cover-Scan Front
187
Installing the Working Table(BYOD) Table
190
DCF (Double Cassette Feeder)
191
DCF Main Board
191
DCF Feed Motor
192
DCF Pick up Motor
192
Finisher
193
Entrance Sensor
193
Entrance Motor
195
Exit Sensor
198
Exit Motor
199
Sub Paddle Shaft Sub Assy
200
Front Jogger Motor
202
Front Jogger Home Sensor
208
Rear Jogger Motor
208
Rear Jogger Home Sensor
210
Stapler
211
Traverse Home Sensor
212
Traverse Motor
215
Stacker Motor
216
Stacker Encoder Sensor
216
Stacker Lower Limit Switch
217
Stack Beam Sensor
218
Stack Position Sensor
219
Paper Holding Lever Solenoid
221
Paper Support Motor
223
Paper Support Home Sensor
224
Ejector Motor Assy
226
Main Paddle Motor
229
Main Paddle Home Sensor
230
Main Paddle
231
Ejector Assy
232
Punch Dust Full Sensor
233
Door Switch
234
Top Door Switch
235
Troubleshooting
236
Control Panel
236
Display Screen and Useful Buttons
237
Menu Navigation
237
Home Screen Overview
238
Customizing Your Home Screen
239
Notification Bar
241
Understanding the Leds
242
Updating Firmware
243
Updating from the Printer Control Panel
243
Updating from the Network
244
JAM Removal
247
Clearing Original Document Jams
247
Clearing Paper Jams
250
Service Mode (Tech Mode)
255
Entering the Service Mode
255
Service Mode Menu Tree
256
Information
261
General
261
Supply Status
261
Software Version
262
Service Hours
262
Fault Log
262
Print Reports
262
Export Reports
263
Maintenance Counts
264
Fault Count
264
Jam Count
264
Part Replacement Count
265
Diagnostics
266
Engine Diagnostics
266
Fax Diagnostics
271
Scanner Diagnostics
276
Adjustment
280
Image Management
287
Print Test Patterns
288
Service Functions
289
Main Memory Clear
289
Hard Disk Maintenance
289
Count Setting of Large Page
289
Network Port
290
Debug Log
290
Capture Log
290
Network Packet Capture
291
System Recovery
292
TR Control Mode
294
Clear System Cache
295
Hibernation
295
Paper Low Warning Message
295
Part Replacement Alert
295
Fdi
295
EIUL (End of Image Unit Life)
295
SFE (Special Feature Enablement)
296
Dealer ID
297
Envelope Rotate
297
Error Code and Troubleshooting
298
11-2Txx (Paper Mismatch Error)
298
61-1111 (Hibernation Fail)
299
A1-XXXX (Motor Error)
300
A2-XXXX (Fan Error)
308
A3-XXXX (Sensor Error)
311
C1-XXXX (Toner Cartridge Error)
315
C3-XXXX (Drum Unit Error)
319
C6-XXXX (Fuser Unit Error)
323
C7-XXXX (Waste Toner Container Error)
324
C8-XXXX (Developer Error)
326
C9-XXXX (Transfer Roller Error)
327
H1-XXXX (Optional Tray Error)
329
H2-XXXX (Inner Finisher Error)
342
MX-XXXX (Jam Error)
375
MX-XXXX (Tray Not Install_Paper Empty_Outbin Full)
387
Sx-XXXX (System Error)
396
U1-XXXX (Fuser Error)
408
U2-XXXX (LSU Error)
419
Image Quality Problems and Solutions
428
Vertical Black Lines
431
Vertical Light or White Lines
433
Horizontal Periodic Black Lines, Dots
435
Horizontal Periodic Light/Dark Lines, Dots
436
Blurred Image
437
Foggy Image
438
Light Image
439
Uneven Pitch and Jitter Image
440
Skewed Image
441
Poor Fusing Performance
442
Stain on the Paper Back Side
443
Other Errors
444
Image Problem
444
Fuser Problem
446
Scanner and Document Feeder Problem
447
Drive Unit Problem
457
Feeding System Problem
458
LSU Problem
461
Software Problem
462
Electrical Circuit Problem
467
Adjusting the ADF(DSDF_RADF) Skew
475
SPDS (Smart Printer Diagnostic System) Application
478
SPDS App Installation and Login
479
SPDS App Installation
479
User Registration Request
480
Change_Reset Password
481
Login
482
Select Connect Method
484
Consent to Customer Information
487
SPDS Menu Introduction
488
Error Mode
488
Diagnosis Mode
493
Test Mode
494
Information Mode
495
Service Mode
497
Corrective Upload
502
Exceptions
503
Connection Diagram
505
Connection Diagram (FUSER_EXIT)
506
Connection Diagram (PICK UP_PH DRIVE_SIDE)
507
Connection Diagram (LSU_HVPS)
508
Connection Diagram (Toner)
509
Connection Diagram (FDB_SMPS)
510
Connection Diagram (UI)
511
Connection Diagram (FRONT_OPC)
512
Connection Diagram (Scanner)
513
Connection Diagram (Double Cassette Feeder)
514
Reference Information
516
Tools for Troubleshooting
516
Glossary
518
Model Name and Code
524

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Samsung MultiXpress SL-K4250RX Manuals

Samsung MultiXpress SL-K4250RX Service Manual (526 pages)

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