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SCX-4200R
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Samsung SCX-4200R Service Manual Page 116
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Exploded Views & Parts List
Service Manual
8-9
8.8. Cassette
Assembly Exploded View
0
1
3
2
20
19
4
5
6
7
8
10
10
9
11
12
13
18
15
14
16
17
17
1
2
...
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112
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...
144
145
DIGITAL LASER MFP
1
ELECTRONICS
2
Continued
4
1. Precautions
6
1.2.1 Toxic material
7
1.2.3 Handling Precautions
8
Precautions
9
1.3 ESD Precautions
10
2. Product Specification
11
2.2.1 General Specifications
12
2.2.3 Scan Specification
13
2.2.2 Print Specification
13
2.2.4 Copy Specification
14
Product Specifications
15
2.2.6 Other Specification
16
Accessory Items
16
3.1.1 Front View
17
3.1.2 Sensor
18
3.1.3 Control Panel
19
3.1.4 System Layout
20
3.1.4.1 Paper Feed Mechanism
21
3.1.4.2 Transfer Ass’y
21
3.1.4.3 Drive Ass’y
21
3.1.4.4 Fixing Part(Fuser)
21
3.1.4.5 Scanner Unit
22
System Overview
23
3.1.4.7 Toner Cartridge
24
3.2.1 CPU Part
25
- Size: 8Mbyte
26
- Max Frequency: 133MHz
26
3.2.2 Scan Part
27
3.2.3 Ope Pannel
27
3.2.4 Printer Section
28
3.2.4.1 ASIC
28
Chorus 2 Block Diagram
29
3.2.5 Copier Part
30
3.2.6 SMPS & HVPS
30
3.2.7 FUSER AC POWER CONTROL
34
Sensors signals
35
Solenoid &
35
3.3.2 S/W Overview
36
3.3.2.5 Paper Size
37
3.3.2.6 Paper Type
37
3.3.3.1 Print Mode
38
3.3.3.2 Paper Type
38
3.3.3.3 Paper Size
38
3.3.3.5 Elapsed Printing Time
38
3.3.3.8Environmental Index
39
3.3.4.1 LSU Ready Check
40
3.3.5.1 Transfer Roller
41
3.3.6.1 MHV
42
3.3.6.2 THV
42
3.3.11 Door Open
43
3.3.12 No paper
43
3.3.13 Checking Paper jam
44
3.3.13.1 Paper Jam 0
44
3.3.13.2 Paper Jam1
44
3.3.13.3 Paper Jam2
44
3.3.14 Out Bin Tray Full
44
3.3.15 Temperature
45
3.3.15.1 Open Heat Error
45
3.3.15.2 Low Heat Error
45
3.3.15.3 Over Heat Error
45
3.3.16 LSU Error
46
4. Alignment and Adjustments
47
4.2 Paper Path
48
4.3 Clearing Paper Jams
49
4.3.2 In the Paper Exit Area
50
4.3.4 In the Manual Feeder
51
4.5 Clearing the Memory
52
4.6 Clearing the Drum
52
Alignment and Adjustmens
53
4.9 Periodic Defective Image
54
4.10 Error Message
55
Releasing Plastic Latches
58
Front Cover
59
Cassette
59
Rear Door
60
Rear Cover
60
Harness Holder
61
(24V, 80mA)
61
Micro Switch
62
Right Side Cover
62
Left Side Cover
63
5.7 Scanner Unit
64
Disassembly and Reassembly
65
5.8 OPE Unit
67
Middle Cover Unit
68
Fuser Harness
69
Fuser Joint Harness
69
Thermostat
69
Gear RDCN(25/15)
70
Thermister Harness
70
Thermister
70
5.11 Exit Roller
71
5.12 LSU
72
Drive Ass'y
73
Main PBA
74
Inlet Bracket
75
CRUM PCB
76
5.19 Transfer Roller
77
5.20 Feed Roller
78
Feed Gear1
79
Ass'y
79
Feed Roller1
79
Feed Roller
79
6.1.2 Vertical White Line
82
6.1.3 Horizontal Black Bands
83
6.1.4 Black/White Spot
83
6.1.5 Light Image
84
6.1.6 Dark Image or a Black
84
6.1.7 Uneven Density
85
6.1.8 Background
85
6.1.9 Ghost (1)
86
6.1.10 Ghost (2)
86
6.1.11 Ghost (3)
87
6.3.12 Ghost (4)
87
Digital
88
Digital Pri
88
6.2.1 White Copy
89
6.2 Copy Problems
89
6.2.2 Black Copy
89
6.2.3 Abnormal noise
90
6.3.1 Wrong Print Position
91
6.3.2 JAM 0
91
6.3.4 JAM 2
92
6.3.3 JAM 1
92
6.3.5 Multi-Feeding
93
6.4.1 Fuser Error
95
6.4.2 LSU Error
95
6.4.4 Paper Empty
96
6.4.6 Cover Open
97
6.4.9 No Power
99
Troubleshooting
100
Samsung Electronics
100
Service Manual
100
6.5 Toner Cartridge Service
101
Digital Printer
102
6.6.2 Abnormal Printing
105
6.6.3 SPOOL Error
106
7. Block Diagram
107
Contents
108
8.1 Main Exploded View
109
8.4. Fuser Unit Exploded View
112
ΒΣΥΤ͑ͽΚΤΥ
117
9. Connection Diagram
124
10. Schematic Diagrams
125
Main Board(2/7)
126
Main Board(3/7)
127
Main Board(4/7)
128
Main Board(5/7)
129
Main Board(6/7)
130
Main Board(7/7)
131
10.2 OPE Circuit Diagram
132
10.3 SMPS-110V(1/4)
133
SMPS-110V(2/4)
134
SMPS-110V(3/4)
135
SMPS-110V(4/4)
136
10.3 SMPS-220V(1/4)
137
SMPS-220V(2/4)
138
SMPS-220V(3/4)
139
SMPS-220V(4/4)
140
11 Reference Information
141
Reference Information
142
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