Cabletron Systems WPIM-RT1 Spezifikationen Seite 105
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Service Manual
Troubleshooting
7-4
Samsung Electronics
7.1.7 Paper rolled on the OPC Drum
• Description Paper is rolled up in the OPC.
Check and Cause Solution
1. Paper is too thin.
2. The face of paper is curled.
1. Use paper that conforms to the printer specification.
2. Ensure paper is stored properly to prevent curl.
Note. To remove paper rolled in the OPC.
• Remove the toner cartridge from the set, taking
care not to touch the green surface. Use the
gearwheel at the side to rotate the OPC drum and
pull the paper from the cassette.
• Clean fingerprints on the OPC gently with soft
tissue, taking care not to scratch the surface.
7.1.8 Defective ADF
• Description ADF (Automatic document Feeder) does not operate correctly.
Check and Cause Solution
1. Check if the ADF rubber or HOLDER rubber are
damaged or contaminated.
2. Check if the ADF Ass'y document sensors (3 paper
sensors) are working correctly.
1. Replace the contaminated or damaged part.
2. If you cannot confirm the damaged part with the
- DIGITAL LASER MFP 1
- 1. Precautions 2
- 1.2 Caution for safety 3
- 1.2.3 Handling Precautions 4
- Precautions 5
- 1.3 ESD Precautions 6
- 2. Reference Information 7
- 2.3.1 A4 5% Pattern 9
- 2.3.2 A4 2% Pattern 10
- 2.3.3 A4 IDC 5% Patten 11
- Reference Information 12
- 2.4 Wireless LAN 13
- 3. Specifications 15
- Specifications 16
- 3.2 Print Specification 17
- 3.3 Scan Specification 18
- 3.4 Copy Specification 19
- 3.5 Fax Specification 21
- 3.6 Other Specification 22
- 4. Summary of Product 25
- 4.1.2 Rear View 26
- Summary of Product 27
- Control Panel (SCX-4520) 29
- 4.2 System Layout 31
- 4.2.5 Scanner 32
- 4.2.7 Toner Cartridge 34
- 4.3 Main PBA 35
- 4.3.1 ASIC 36
- 4.3.2 Memory 37
- 4.3.3 Flash Memory 37
- 4.3.4 SDRAM 37
- 4.3.6 Sensor input circuit 38
- 4.4 SMPS & HVPS 39
- 3) Power Consumption 41
- 4) Length of Power Cord : 41
- 5) Power Switch : 41
- 4.4.3 Fuser AC Power Control 42
- 4.5 Engine F/W 43
- 4.5.5 LSU 44
- 4.5.4 Fusing 44
- 4.7 USB Host 45
- 4.6 OPE PBA 45
- 4.8 Fax Section 46
- 4.8.2 LIU PBA 47
- 4.8.4 Transformer Circuit 48
- 4.8.5 On Hook State 49
- 4.8.6 Off Hook State 49
- 4.8.7 Signal 50
- 5. Disassembly and Reassembly 52
- Rear Cover 53
- Side Cover (LH) 54
- Side Cover (RH) 54
- Front Cover 55
- Scanner Ass'y 56
- CCD Cable 58
- Gear-Timing 59
- Gear-Reduction 59
- CCD Lock 60
- ADF Ass y 61
- Pick up Ass y 61
- Upper Cover 61
- OPE Cover 63
- Contact Rubber 63
- OPE Unit(SCX-4720F) 64
- NIC Card 66
- Main Connector 67
- Exit Connector 67
- AC Connector 67
- Fan Connector 67
- Exit Board 67
- Inlet Bracket 68
- Fuser Ass y 69
- Thermostat 69
- Fuser Cover 69
- Thermistor 70
- CRUM Board 71
- 5.16 Drive Ass'y 72
- 5.17 Cover Mid Front 72
- PTL Holder 73
- PTL Lens 73
- Transfer Roller 73
- Guide Paper Front 74
- Feed Roller 75
- Feed Roller1 75
- Scanner Part 78
- Engine Part 78
- 6.2 Clearing Paper Jams 80
- 6.2.1 Clearing Document Jams 81
- 6.2.1.2 ADF Exit Misfeed 82
- 6.2.1.3 ADF Roller Misfeed 82
- 6.3 User Mode(SCX-4520) 87
- 6.3 User Mode(SCX-4720F) 88
- 6.4 Tech Mode 89
- 6.4.3 Data Setup 90
- FLASH UPGRADE 91
- 6.4.4 Machine Test 92
- 6.4.5 Report 93
- 6.5 Engine Test Mode 94
- 6.6 Identify Sale Date 96
- Toner Cartridge 98
- 6.9 Error Messages 99
- Alignment & Adjustments 100
- Service Manual 100
- Samsung Electronics 100
- 7.1.1 Wrong Print Position 102
- 7.1.2 JAM 0 102
- 7.1.4 JAM 2 103
- 7.1.3 JAM 1 103
- 7.1.5 Multi-Feeding 104
- 7.1.8 Defective ADF 105
- 7.2.2 Defective OPE Keypad 106
- 7.2.4 Paper Empty 107
- 7.2.6 Cover Open 108
- 7.2.9 No Power 109
- 7.3.1 Wrong Print Position 110
- 7.3.2 Vertical White Line 110
- 7.3.3 Horizontal Black Bands 111
- 7.3.4 Black/White Spot 111
- 7.3.5 Light Image 112
- 7.3.6 Dark Image or a Black 112
- 7.3.7 Uneven Density 113
- 7.3.8 Background 113
- 7.3.9 Ghost (1) 114
- 7.3.10 Ghost (2) 114
- 7.3.11 Ghost (3) 115
- 7.3.12 Ghost (4) 115
- Digital 116
- Digital Pri 116
- Digital Printer 116
- 7.4 Fax & Phone Problems 117
- 7.4.4 Defective FAX FORWARD 118
- Troubleshooting 119
- 7.5 Copy Problems 121
- 7.5.3 Abnormal noise 122
- 7.6.1 PC Scanning problems 123
- 7.7 Toner Cartridge Service 124
- 7.8.3 Abnormal Printing 131
- 7.8.4 SPOOL Error 132
- 7.9.1 General Problems 133
- 7.9.2 Windows Problems 134
- Problem Solution 135
- 8.1 Main Assembly 137
- Main Assembly Parts List 138
- 8.2 RX Drive Assembly 140
- 8.3 ADF Assembly 141
- ADF Assembly Continued 142
- ADF Assembly Parts List 143
- 8.4 OPE Unit Assembly 145
- OPE Unit Assembly Parts List 146
- 8.5 Scanner Assembly 147
- Scanner Assembly Parts List 148
- 8.6 Middle Cover Assembly 149
- 8.7 Frame Assembly 150
- Frame Assembly Parts List 151
- 8.8 Fuser Assembly 154
- Fuser Assembly Parts List 155
- MP Assembly Parts List 157
- Cassette Assembly Parts List 159
- SCF(Option Cassette Frame) 161
- Assembly Parts List 161
- Appendix (Parts code) 164
- 9. Block Diagram 166
- 10. Connection Diagram 167
- 11. Schematic Diagrams 168
- Main Board(2/16) 169
- Main Board(3/16) 170
- Main Board(4/16) 171
- Main Board(5/16) 172
- Main Board(6/16) 173
- Main Board(7/16) 174
- Main Board(8/16) 175
- Main Board(9/16) 176
- Main Board(10/16) 177
- Main Board(11/16) 178
- Main Board(12/16) 179
- Main Board(13/16) 180
- Main Board(14/16) 181
- Main Board(15/16) 182
- Main Board(16/16) 183
- LIU Board 184
- OPE Board 185
- USB Host Board 186
- SMPS_110V 187
- SMPS_220V 188
- Schematic Diagram 189
- ELECTRONICS 190
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