Samsung ML-1610 - B/W Laser Printer Spezifikationen PDF herunterladen (Seite 64)

Disassembly and Reassembly

Samsung Electronics

Service Manual

5-3

5.2.3 SMPS Cover

5.2.4 Main Cover

1.Release two screws.

(Screw x2:Silver_M3,6003-000196)

2.Separate the lock by holding the left side of the cover

and pulling it toward the arrow direction. Remove it

with carefulness that the power switch is not hooked

on SMPS cover as shown as below.

1.Before Disassembling.

-Separate the font cover.(Refer to 5.2)

-Separate the SMPS cover.(Refer to 5.3)

2.Release 4 screws as shown as below.

(Screw x 4 : Silver_M3,6003-000196)

SMPS Cover

1 2 ... 59 60 61 62 63 64 65 66 67 68 69 ... 130 131

LASER PRINTER 1
Contents 2
Continued 3
1. Precautions 5
1.2 Safety Caution 6
1.2.3 Handling Precautions 7
1.3 ESD Precautions 8
2. Product Specifications 9
2.2.2 Controller 10
2.2.4 Environmental Range 11
2.2.5 Toner Cartridge 11
2.2.6.1 Input Paper Size 12
2.2.6.2 Input capacity 12
2.2.6.3 Output capacity 12
2.3 Model Comparison Table 13
Product Specifications 14
3. System Overview 15
Unit Layout 16
3.1.1 Feeding 17
3.1.2 Transfer Ass’y 17
3.1.3 Driver Ass’y 17
3.1.4 FUSER 17
System Overview 18
3.1.6 Toner Cartridge 20
3.2.1 H/W Overview 21
3.2.1.3 Flash Memory 22
3.2.1.4 DRAM 22
3.2.2 Main Board 23
3.2.3.1 Introduction 25
3.2.4 Sensor Controller 28
Pin Signal 29
3.3.1 Introduction 34
- F/W Architecture 37
3.3.6 LED Behaviors 38
3.3.7 Error LED Operation 38
3.4.1 Accessory List 39
3.4.3 Loading Paper 42
3.4.5 Turning the Printer on 44
3.4.6 Printing a Demo Page 44
4. Alignment and Adjustments 46
4.2 Control Panel 47
4.2.3 Cancel button 48
Alignment and Adjustments 49
4.5 Periodic Defective Image 50
4.6 How to use DCU 51
4.6.2 Code 52
4.6.3 Self Diagnostic Mode 53
4.6.4 Self Test Button 55
4.7 Paper Path 56
4.7.1 Clearing Paper Jams 57
4.7.2 In the Paper Exit Area 57
4.7.3 In the Paper Feed Area 59
5. Disassembly and Reassembly 62
5.2.1 Front Cover 63
5.2.2 Cassette Tray 63
5.2.3 SMPS Cover 64
5.2.4 Main Cover 64
Jam Cover 65
Main Cover 65
5.2.5 Top Cover 66
5.2.6 HVPS 67
5.2.7 RX Drive 68
5.2.8 Fuser 69
Fuser Dummy Cover 70
Lamp Cover_R 70
Lamp Cover_L 70
Thermostat 71
Thermistor 71
Disassembly and Reassembly 72
Engine Shield 73
(W/Main PBA, SMPS) 73
Actuator Feed Sensor Lever 73
Main PBA 73
5.2.10 LSU 74
5.2.11 Paper Path Frame 74
5.2.12 Pick_Up Roller 75
6. Troubleshooting 76
6.1.1 Basic Check List 77
6.1.2 Initial Inspection 78
6.2 Bad discharge 79
6.2.3 JAM 1 80
6.2.4 JAM 2 80
6.2.5 Multi-Feeding 81
Troubleshooting 82
6.3 Malfunction 83
6.3.4 Paper Empty 84
6.3.6 Cover Open 85
6.3.9 No Power 86
6.4 Bad Software Environment 88
6.4.3 Abnormal Printing 90
6.4.4 SPOOL Error 91
6.5 Bad image 92
6.5.3 Horizontal Black Band 93
6.5.4 Black/White Spot 93
6.5.5 Light Image 94
6.5.6 Dark Image or a Black 94
6.5.7 Uneven Density 95
6.5.8 Background 95
6.5.9 Ghost (1) 96
6.5.10 Ghost (2) 96
6.5.11 Ghost (3) 97
6.5.12 Ghost (4) 97
7.1 Main Assembly 100
Main Assembly Parts List 101
7.2 Frame Assembly 102
Frame Assembly Parts List 103
7.3 Fuser Unit 104
Fuser Unit Parts List 105
7.4 Paper Path Unit 106
Paper path Unit Parts List 107
8. Block Diagram 108
8.2 System Timing Chart 109
9. Connection Diagram 110
10. Schematic Diagrams 111
Main Board(2/4) 112
Main Board(3/4) 113
Main Board(4/4) 114
Service Manual 115
Schematic Diagram) 115
Samsung Electronics 115
10-3 SMPS Circuit Diagram 116
Schematic Diagram 117
HVPS Circuit Diagram(2/3) 118
• DVM(Digital Volt Meter) 120
Acronyms and Abbreviations(2) 122
Reference Information 123
11.4 Sample Tests Patterns 124
12. Circuit Description 125
Circuit Description 126
12.1.2 PWM Controller 127
12.1.3 Motor Driver 128
12.1.4 LSU Controller 128
12.1.5 ADC Controller 130
Printed in Korea 131

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