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SCX-340x Series
Samsung SCX-340x Series Service Manual
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Mono
Laser
MFP
SCX-340x
series
SCX-340x
/
340xF
/
340xW
/
340xFW
SERVICE
MANUAL
Mono
Laser
MFP
Contents
1.
Precautions
2.
Product
specication
and
description
3.
Disassembly
and
Reassembly
4.
Alignment
and
T
roubleshooting
5.
System
Diagram
6.
Reference
Information
Refer
to
the
service
manual
in
the
GSPN
(see
the
rear
cover)
for
more
information.
2
Table of Contents
Table of Contents
2
Precautions
5
Safety Warning
5
Caution for Safety
6
Toxic Material
6
Electric Shock and Fire Safety Precautions
6
Handling Precautions
7
Assembly and Disassembly Precautions
7
Disregarding this Warning May Cause Bodily Injury
8
ESD Precautions
9
Product Specification and Description
10
Product Specification
10
Product Overview
10
Specifications
10
General Print Engine
10
Copier
11
Scan Specification
12
Fax
13
Controller and Software
14
Paper Handling
16
Consumables
17
Maintenance Part
17
Reliability and Service
17
Environment
18
Accessories
19
Model Comparison Table
20
System Overview
21
Front View
21
Rear View
23
Paper Path
24
System Layout
25
Feeding Part
26
Transfer Roller
27
Drive Unit
27
Fuser Unit
28
LSU (Laser Scanner Unit)
30
Toner Cartridge
31
Hardware Configuration
32
Main Board
34
OPE Board
37
Fax Board
39
Wireless LAN Board (Wireless Model Only)
39
SMPS/HVPS Board
40
Electrical Parts Location
42
Engine F/W Contol Algorithm
44
Feeding
44
Transfer
44
Fusing
45
Lsu
45
Software Descriptions
46
Software System Overview
46
Architecture
46
Data and Control Flow
47
Disassembly and Reassembly
49
Precautions When Replacing Parts
49
Precautions When Assembling and Disassembling
49
Preautions When Handling PBA
49
Releasing Plastic Latches
50
Screws Used in the Printer
51
Replacing the Main SVC Parts
52
Right and Left Cover
52
Scanner Unit
53
ADF Unit
54
CIS Unit
55
OPE Unit
56
Front Cover
57
Middle Cover
58
Rear Cover
59
Main Board
59
WLAN Board
60
Fax Board
60
SMPS/HVPS Board
61
Fuser Unit
62
Drive Unit
62
Lsu
63
Feed Sensor PBA
64
Pick up Roller
64
Motor
65
Transfer Roller
66
Alignment and Troubleshooting
67
Alignment and Adjustments
67
Control Panel
67
Understanding the Status LED
71
JAM Removal
73
Clearing Original Document Jams
73
Clearing Paper Jams
75
Useful Menu Item for Service
78
Periodic Defective Image
79
Useful Management Tools
80
Using Samsung Easy Printer Manager (Windows and Macintosh Only)
80
Advanced Settings User Interface Overview
81
Using Samsung Printer Status (Windows Only)
82
Using Smart Panel (Linux Only)
83
Using Syncthru Web Service (SWS)
84
Updating Firmware
86
Update the Firmware by Using the USB Port
86
Update the Firmware by Using the Network
87
Tech Mode
89
Tech Mode (4 in 1 Model)
89
Tech Mode (3 in 1 Model)
93
EDC Program (3 in 1 Model Only)
96
Troubleshooting
97
Procedure of Checking the Symptoms
97
Basic Check List
98
Error Code and Troubleshooting
99
Image Quality Problem
109
Other Errors
115
System Diagram
116
Block Diagram (4 in 1)
116
Block Diagram (3 in 1)
117
Connection Diagram (4 in 1)
118
Connection Diagram (3 in 1)
119
Reference Information
120
Tool for Troubleshooting
120
Glossary
121
The Sample Pattern for the Test
127
Selecting a Location
128
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Samsung SCX-340x Series Specifications
General
Brand
Samsung
Model
SCX-340x Series
Category
All in One Printer
Language
English
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