Samsung ML-1740 - ML 1740 B/W Laser Printer Dokumentacja Strona 3
- Strona / 107
- Spis treści
- ROZWIĄZYWANIE PROBLEMÓW
- BOOKMARKI
- LASER PRINTER 1
- ML-1740/XSH 1
- ELECTRONICS 2
- 2003. 12 3
- 1. Precautions 4
- 1.2 Caution for safety 5
- Precautions 6
- 1.3 ESD Precautions 7
- 2. Reference Information 8
- 2.1 Tool for Troubleshooting 8
- 2.3.1 A4 5% Pattern 10
- 2.3.2 A4 2% Pattern 11
- 2.3.3 A4 IDC Pattern 12
- REFERENCE INFORMATION 13
- Samsung Electronics 13
- Service Manual 13
- 3. Specifications 14
- 3.3 Electrical Specification 15
- 3.2 Controller Specification 15
- 3-4 Environmental Range 15
- Specifications 16
- 4. Summary of Product 18
- 4.1.2 Rear View 19
- 4.1.3 Inside View 19
- 4.1.3 Control Panel 20
- 2) Cancel button 21
- 4.2 System Layout 22
- 4.2.4.3 Heat Roller 23
- 4.2.4.4 Pressure roller 23
- 4.2.4.5 Safety Relevant Facts 24
- 4.2.6 Toner Cartridge 25
- 4.3 Main PBA(SPL Model) 26
- •Main function block 27
- 1) Paper Empty Sensing 27
- 2) MP Sensing 27
- 4) Paper Exit Sensing 28
- 5) Cover Open Sensing 28
- 6) DC FAN / SOLENOID Driving 28
- 7) Motor Driving 28
- 4.4 SMPS & HVPS 29
- 2) Charge Voltage (MHV) 30
- 3)Cleaning Voltage (THV-) 30
- 5) Supply Voltage(SUP) 30
- 1) AC Input 31
- 2) Rated Power Output 31
- 3) Consumption Power 31
- 4) Length of Power Cord : 31
- 5) Power Switch : 31
- 4.4.3 Fuser AC Power Control 32
- 4.5.1.1 Jam 0 33
- 4.5.1.2 Jam 1 33
- 4.5.1.3 Jam 2 33
- 4.5.4.1 Heat Lamp Method 34
- 4.5.4.2 Q-PID Method 34
- 4.5.5 LSU 35
- 5. Disassembly and Reassembly 36
- Top Cover 37
- Rear Cover 37
- Front Cover 37
- 5.3 Fuser 38
- 5.4 Exit Roller 39
- Drive Ass'y 40
- Engine Shield 41
- Ass'y 41
- Main PBA 41
- Inlet Bracket 42
- 5.11 Transfer Roller 43
- 5.12 Feed Roller 44
- Disassembly and Reassembly 45
- 6. Alignment and Adjustments 46
- 6.1.2 Code 47
- 6.1.3 Self Diagnostic Mode 48
- LIGNMENT & DJUSTMENTS 49
- 6.1.4 Self Test Button 50
- 6.2 Paper Path 51
- 6.3 Clearing Paper Jams 52
- 6.3.2 In the Paper Feed Area 53
- Service 54
- 6.4 Sample Pattern 55
- ML-1740 Series 56
- <Rollers Layout> 59
- 7. Troubleshooting 61
- 7.1.3 Horizontal Black Band 62
- 7.1.4 Black/White Spot 62
- 7.1.5 Light Image 63
- 7.1.6 Dark Image or a Black 63
- Digital Printer 64
- 7.1.9 Ghost (1) 65
- 7.1.10 Ghost (2) 65
- 7.1.11 Ghost (3) 66
- 7.1.12 Ghost (4) 66
- 7.2 bad discharge 68
- 7.2.3 JAM 1 69
- 7.2.4 JAM 2 69
- 7.2.5 Multi-Feeding 70
- TROUBLESHOOTING 71
- 7.3 Malfunction 72
- 7.3.4 Paper Empty 73
- 7.3.6 Cover Open 74
- 7.3.9 No Power 75
- 7.4 Toner Cartridge Service 77
- 7.5.3 Abnormal Printing 82
- 7.5.4 SPOOL Error 83
- 8.1 Main Assembly 85
- SA : Service Available 86
- 8.2 Frame Unit Assembly 87
- 8.4 Cassette Unit Assembly 91
- 8.5 Fuser Unit Assembly 93
- 9. Block Diagram 96
- COMPATIABLE 97
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