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All in One Printer
CLX-8540ND
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Manual
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Maintenance and Disassembly
Service Manual
3-24
Samsung Electronics
6. T
ake out the toner cartridge.
7. T
ake out the Imaging unit.
8.
Lay the black paper on imaging unit to protect
the OPC surface.
9. T
ake out the cartridge transfer unit.
10. Clean the paper path parts.
1
1. Clean the paper path parts.
102
104
Table of Contents
Main Page
Default Chapter
3
Table of Contents
3
Chapter 1 Precautions
7
Safety Warning
7
Caution for Safety
8
Toxic Material
8
Electric Shock and Fire Safety Precautions
8
Handling Precautions
9
Disregarding this Warning May Cause Bodily Injury
10
ESD Precautions
11
Chapter 2 Product Overview
12
Product Summary
12
Specifications
14
General Print Engine
14
Controller & S/W
15
Scan
17
Copy
18
Fax
19
Paper Handling
21
Consumables (CRU : Customer Replacement Unit)
25
Maintenance Parts (FRU : Field Replacement Unit)
26
Service & Environment
26
Options
27
Model Comparison
28
System Overview
29
Front View
29
Rear View
30
System Configuration
32
H/W Configuration
33
Dadf Board
38
Smps Board
41
Fax Board
48
Mechanic Configuration
51
Fuser Unit
54
Control Panel
63
Introducing the Touch Screen and Useful Buttons
64
Touch Screen
64
Interrupt Button
65
Job Status Button
65
Power Saver Button
65
Understanding the Status Led
66
Graphic User Interface Overview
67
Main Screen
67
Menu Map
67
Machine Setup Button
68
Understanding the Copy Screen
70
Advanced Tab
71
Image Tab
71
Understanding the Fax Screen
72
Understanding the Scan Screen
73
Scan to Email
74
Scan to Pc
77
Understanding the Document Box Screen
78
Understanding the Usb Screen
79
Chapter 3 Maintenance and Disassembly
80
Maintenance
80
Precautions on Maintenance
80
Monitoring the Supplies Life
81
Check the Consumables Life
81
Consumables (CRU : Customer Replacement Unit)
82
Replacing the Consumables
83
Replacing the Toner Cartridge
83
Replacing the Imaging Unit
84
Replacing the Waste Toner Container
86
Maintenance Parts (FRU : Field Replacement Unit)
87
Location of Maintenance Parts
89
Replacing the Maintenance Parts
90
Cleaning the Machine
101
Disassembly and Reassembly
107
General Precautions on Disassembly
107
Releasing Plastic Latches
107
Screws Used in the Printer
108
General Disassembly
112
Cover
112
DADF Unit
114
Ope
116
Scan Ass'y
117
Video Board
123
Engine Board
124
SMPS Board and FDB Board
125
Main Drive Unit
126
Deve Drive Unit
128
Fuser Drive Unit
128
Lsu
129
HVPS Board
131
Side Duplex
133
ACR/CTD Sensor
136
Duplex Sensor
138
Exit Sensor
139
Feed Sensor
140
Regi Sensor
141
WTB Full Sensor
142
1-Bin Finisher
144
Mail Box
149
2-Bin Finisher
153
Boards and Connectors
158
Chapter 4 Troubleshooting
163
Paper Jam
163
Paper Path
163
Paper Jam and Clearing Intruction
164
Duplex Jam
166
Tips for Avoiding Paper Jams
168
Clearing Original Document Jams
169
Misfeed of Exiting Paper
169
Roller Misfeed
170
In the Optional Tray
173
In the Optional High Capacity Feeder
174
In the Paper Inside the Machine
176
In the Duplex Unit Area
177
In the Fuser Area
177
Firmware Upgrade
180
Using the Common Method
180
F/W Upgrade Using SWAS (Syncthru Web Admin Service)
181
Diagnostic Mode (Tech Mode)
184
Diagnostic Mode Menu
184
Diagnostics Menu Map
186
Information Tab
187
Software Version
189
Fault History Tab
191
Test Routines Tab
193
Protocol Report
217
Troubleshooting
227
Procedure of Checking the Symptoms
227
Error Code and Message
228
Troubleshooting for Error Code
234
Image Quality Problems and Solutions
329
Abnormal Image Printing and Defective Roller
371
Other Errors
374
Chapter 5 System Diagram
380
Block Diagram
380
Video Controller
380
Engin Controller
381
OPE Unit
382
Dadf
383
Scf/Hcf
384
Connection Diagram
385
Video Controller
385
Engin Controller
386
OPE Unit
387
Dadf
388
Scf/Hcf
389
Chapter 6 Reference Information
390
Tool for Troubleshooting
390
Acronyms and Abbreviations
391
Acronyms
391
Service Parts
393
A4 ISO 19798 Standard Pattern
397
Model Information
402
Understanding for Model Code
402
Understanding Material Code & Name
403
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