Dell 2145cn Technické informace Strana 95
- Strana / 208
- Tabulka s obsahem
- ŘEŠENÍ PROBLÉMŮ
- KNIHY
Hodnocené. / 5. Na základě hodnocení zákazníků
Alignment and Troubleshooting
4-31
4.1.4.4 Periodic Defective Image
If an image defects appears at regular intervals on the printed-paper, it is due to a faulty or damaged roller.
Refer to the table below and check the condition of the appropriate roller.
No Roller Period Phenomenon
1 OPC Drum 75.4mm White and Black Spots
2 Charge Roller 26.7mm White/Black Spot and Periodic Band
3 Supply Roller 40.8~41mm Periodic Band (by little difference of density)
4
Developing Roller
30.6mm (YMC) White Spot, Horizontal black band
32.5mm(K)
5
Transfer Roller
43.9mm Periodic Band (by little difference of density)
6 39.0mm Periodic BandGap-ring
7 127.0mm White/Black SpotFusing Belt
- 1
- 6HUYLFH0DQXDO 1
- Table of Contents 3
- Continued 4
- 1. Precautions 7
- 1.2 Caution for safety 8
- 1.2.3 Handling Precautions 9
- Precautions 10
- 1.3 ESD Precautions 11
- 2. Product spec and feature 12
- 2.1.2 Specifications 13
- Product spec and feature 14
- 2.1.2.3 Interface 15
- 2.1.2.4 Scan 15
- 2.1.2.5 Copy 16
- 2.1.2.6 Fax 17
- 2.1.2.7 Paper Handling 19
- 2.1.2.8 CRU 20
- 2.1.2.9 FRU 21
- ■ Machine Life 22
- 2.1.2.11 Environment 23
- 2.1.2.12 Option 24
- 2.1.3 Competitor Model 25
- 2.2 System Overview 26
- ■ Engine Layout 27
- : Simplex 28
- : Duplex 28
- 2.2.1 Main parts of system 29
- 2) Transfer Roller 30
- 3) FCT (First Cassette Tray) 30
- 4) SCT (Second Cassette Tray) 30
- 5) MPT (Multi Purpose Tray) 31
- 6) Toner Cartridge 31
- 7) Fuser Unit 32
- 9) Main Drive Unit 33
- 10) DEVE Drive Unit 33
- 13) Main Controller PBA 34
- 14) Drive PBA 34
- 15) DEVE CRUM PBA 34
- 16) Reverse Ass’y 34
- 17) Scan Part 35
- IP Block Diagram 36
- 18) FAX section 37
- 1) Modem Side 38
- 2) DAA Side 38
- 3) Speaker Driver 39
- 2.2.2 H/W Configuration 40
- 2.2.2.1 Main Board 41
- Chorus 3 Architecture 42
- Memory Interface 42
- I/O Interface 42
- 2.2.2.2 Power Flow 43
- • Zero crossing photo triac 46
- • 1 lamp (800W) Pulse control 46
- ■ Input/Output connector 47
- 3. Disassembly and Reassembly 48
- 3.3 Disassembly Procedure 52
- 3.3.2 Cover Front Ass’y 53
- Disassembly and Reassembly 54
- 4. Done 55
- 3.3.4 SCAN Ass’y 56
- 3.3.5 DADF 57
- 3.3.6 Reverse Ass’y 58
- 3.3.7 COVER MIDDLE Ass’y 59
- 3.3.8 HVPS 60
- 3.3.9 Main Board 60
- 3.3.10 SMPS Board 61
- 3.3.11 Fuser Control Board 61
- 3.3.12 LSU 62
- 3.3.13 CRUM 63
- 3.3.14 Fuser Drive Ass’y 63
- 3.3.15 Pick up roller 64
- 4.1 Alignment and Adjustments 65
- ■ Clearing paper jams 67
- ■ Paper Path 68
- Alignment and Troubleshooting 69
- misfed paper 74
- 4.1.3.5 In the optional tray 76
- 4.1.4 System setup 77
- 4.1.4.2 Menu overview 78
- 4.1.4.3 Maintenance 79
- ■ PRINTING REPORTS 79
- Printing a report 80
- ■ CLEARING MEMORY 84
- ■ CLEANING YOUR MACHINE 85
- Cleaning the outside 85
- Cleaning the inside 85
- Cleaning the scan unit 86
- ■ MAINTAINING THE CARTRIDGE 87
- Toner cartridge storage 87
- Expected cartridge life 87
- Redistributing toner 87
- ■ MAINTENANCE PARTS 92
- Checking replaceables 93
- Replacing the DADF rubber pad 93
- 4.1.4.5 F/W Upgrade 97
- 1) Using button 97
- 2) Using SWS 98
- 4.1.4.6 EDC Mode 99
- ■ Method to enter 99
- ■ EDC Menu 99
- 0. Cover Status 99
- 1. Sensor Status 100
- 2. Motor Test 100
- 3. Fan Test 100
- 4. Clutch/Sol 101
- 5. Fuser Ctrl 101
- 6. LSU Control 101
- 7. DEV Control 102
- 8. Reset Param 102
- 9. Print Test 102
- 4.1.4.7 Tech Mode 103
- ■ How to Enter Tech Mode 103
- Never change settings 104
- < Method > 105
- 4.1.5 Error Message 107
- -genuine cartridge 111
- 4.2 Troubleshooting 112
- Image quality problems 113
- Digital Printer 114
- 7) Uneven Density 119
- Digital 121
- Digital Pri 121
- 11) Ghost 123
- 4.2.3 Paper feed problems 124
- 2) JAM 0 125
- 3) JAM 1 126
- 4) JAM 2 127
- 5) Reverse JAM 0 128
- 6) Rear Cover 129
- 7) Reverse JAM 1 130
- 8) Paper rolled in the fuser 131
- 4.2.4 Copy Problems 132
- 2) Scan Lock Error 133
- 3) Glass Broken 134
- 4.2.5 OPE Problems 135
- 4.2.6 Other Problems 136
- Fuser error 137
- 2) No Power(1) 138
- No Power(2) 139
- 3) LSU Error 140
- View and Parts list 141
- Thumbnail 1 142
- Thumbnail 2 143
- 5.1 Main 144
- Main Parts List 145
- 5.2 Cover Unit 147
- Cover Unit Parts List 148
- 5.3 Front Cover 149
- Front Cover Parts List 150
- 5.4 MP Tray 151
- MP Tray Parts List 152
- 5.5 Middle Cover 153
- Middle Cover Parts List 154
- 5.6 Reverse Unit 155
- Reverse Unit Parts List 156
- 5.7 Top Cover 157
- Top Cover Parts List 158
- 5.8 Reverse Frame 159
- Reverse Frame Parts List 160
- 5.9 Reverse Drive 161
- Reverse Drive Parts List 162
- 5.10 Frame 163
- Frame Parts List 164
- 5.11 Feed Drive 165
- Feed Drive Parts List 166
- 5.12 Fuser Unit 167
- Fuser Unit Parts List 168
- 5.13 Fuser Drive 170
- Fuser Drive Parts List 171
- 5.14 PTB 172
- PTB Parts List 173
- 5.15 Scan Ass’y 175
- Scan Ass’y Parts List 176
- 5.16 Hinge Unit 177
- Hinge Unit Parts List 178
- 5.17 OPE 179
- OPE 4in1 Parts List 180
- 5.18 Platen Ass’y 181
- Platen Ass’y Parts List 182
- 5.19 DADF Ass’y 184
- DADF Ass’y Parts List 185
- 5.20 Platen Cover DADF 186
- Platen Cover DADF Parts List 187
- 5.21 DADF lower 188
- DADF lower Parts List 189
- 5.22 DADF Motor 190
- DADF Motor Parts List 191
- 5.23 Cassette 192
- Cassette Parts List 193
- 5.24 SCF Unit 195
- SCF Unit Parts List 196
- 5.25 SCF Cassette 198
- SCF Cassette Parts List 199
- 6. System Diagram 200
- 6.2 Connection Diagram 201
- System Diagram 202
- 7. Reference Information 205
- Printer 206
- Printer Language 207
- Printer Language-Color 207
- Reference Information 208
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