Samsung ML-7300N Spezifikationen PDF herunterladen (Seite 57)

Power Error

Troubleshooting

Samsung Electronics 5-13

Video board’s

input voltage=5V?

Check the connection of

Power cord and Cables

Power Error

Replace the LCD Ass’y

board of display panel

Repair the board

Refer to the No Power

sectino of engine

troubleshooting

Is it short between

5V and GND in

the Video board?

Yes

1 2 ... 52 53 54 55 56 57 58 59 60 61 62 ... 132 133

ML-7300 Series 1
ELECTRONICS 2
Contents 3
9. PCB Diagrams 5
Circuit Description 5
11. Schematic Diagrams 5
1. Precautions 6
2. Reference Information 7
Table 2-2. Acronyms 8
2-2. Diagnostic Control Unit 9
Samsung Electronics 10
Samsung Electronics 2-5 11
3 Product Information 13
3-2 Controller Specification 14
3-3 Electrical Specification 14
3-4 Environmental Condition 15
•Input Paper Size 16
•Feed capacity 16
Item Description 16
4. Disassembly 17
4-3 Cabinet Disassembly 18
Disassembly 19
Cover Right to the backward 19
Samsung Electronics4-4 20
Samsung Electronics 4-5 21
Samsung Electronics4-6 22
Samsung Electronics 4-7 23
Samsung Electronics4-8 24
4-5 Fuser Ass’y 25
< Fuser Ass’y > 26
Samsung Electronics 4-11 27
< Bracket Motor Ass’y > 28
Samsung Electronics 4-13 29
4-7 Pickup Ass’y 30
4-8 Laser Scanner Unit 31
Samsung Electronics4-16 32
4-9 Multi Purpose Tray 33
Samsung Electronics4-18 34
< MP Ass'y > 35
4-10 Control Panel 36
Samsung Electronics 4-21 37
4-11 Engine Controller Board 38
Samsung Electronics 4-23 39
Samsung Electronics4-24 40
< PCU Ass’y > 41
Samsung Electronics 4-26 42
Samsung Electronics 4-27 43
4-13 Transfer Roller Ass’y 44
5. Troubleshooting 45
Samsung Electronics5-2 46
Troubleshooting 46
INSERT IMAGE CARTRIDGE 47
5-3 Malfunction 48
Samsung Electronics 5-5 49
Samsung Electronics5-6 50
Samsung Electronics 5-7 51
Samsung Electronics5-8 52
Samsung Electronics 5-9 53
Samsung Electronics5-10 54
Samsung Electronics 5-11 55
Samsung Electronics5-12 56
SPGP1:U27 58
CPU:U19 58
Self Test Error 59
Engine Error 59
Parallel Interface Error 60
Printing Error 60
Samsung Electronics5-18 62
Samsung Electronics 6-1 63
Samsung Electronics6-2 64
Main Ass’y Parts List 65
Samsung Electronics6-4 66
Cover Ass’y Parts List 67
Samsung Electronics6-6 68
Samsung Electronics6-8 70
Frame Ass’y Parts List 71
6-4. Cassette Ass’y 74
Cassette Ass’y Parts List 75
6-5. MP Tray Ass’y 76
MP Tray Ass’y Parts List 77
6-6. Pick Up Ass’y 78
Pick Up Ass’y Parts List 79
6-7 Fuser Ass’y 80
Fuser Ass’y Parts List 81
6-8. Shield Ass’y 82
Shield Ass’y Parts List 83
6-9. Bracket Duplex Ass’y 84
6-10. Bracket Motor Ass’y 86
Bracket Motor Parts List 87
6-11. Frame SCF Ass’y 88
Frame SCF Ass’y Parts List 89
6-12. Cassette SCF Ass’y 91
Cassette SCF Ass’y Parts List 92
7. Electrical Parts Lists 93
Main Engine PBA 94
7-2. Main Controller PBA 97
Main Controller PBA 98
7-3. FLASH MEMORY PBA 100
7-4. PTL PBA 100
7-5. CASSETTE PBA 100
7-6. POSTSCRIPT PBA 100
7-7. DISP-PANEL PBA 101
7-8. DISP-LCD PBA 101
7-9. TONER PBA 101
Samsung Electronics7-10 102
NETWORK CARD PBA(100BASE) 103
JC41-00011A PCB 1 PCB 104
8-1 WIRING DIAGRAM 105
ML7300 ENGINE BLOCK DIAGRAM 106
LCD Display Panel 107
Engine Controller B’d 107
Computer 107
Samsung Electronics8-4 108
Samsung Electronics 9-1 109
9-2. Cassette Sensor Board 110
Samsung Electronics 9-3 111
9-4. Panel & LCD Board 112
Samsung Electronics 9-5 113
Samsung Electronics9-6 114
9-7. Infrared Adapor Board 115
9-8. Flash SIMM Board 116
9-9. Postscript Board 116
9-10. Local Talk 117
9-11. Serial/IrDA Board 118
10-1. Introduction 119
10-2. Board Description 120
Service Part : JC92-01119A 120
Product Information 121
Samsung Electronics 10-3 121
Samsung Electronics10-4 122
Power Error 123
System Error 124
Network Error 125
PHY Chip Error 126
Shared Memory Interface Error 127
Samsung Electronics10-10 128

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