Canon LBP-2000 Service Manual Page 164
- Page / 222
- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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4 - 13
CHAPTER 4
2-6. Soiled back
<Possible Causes>
1. The paper is soiled.
Action: Replace the paper with paper fresh out of package. At the same time, advise the user
on the correct method of storing paper.
2. The setting and the type of paper used do not match.
Action: Check the selected fixing mode, and change it to suit the type of paper used.
3. There is dirt at specific intervals (cassette pickup roller, manual fee pickup roller, registration
roller, transfer charging roller, delivery roller).
Action: Identify the soiled roller by referring to Tale 4-2-1, and clean it. If the dirt cannot be
removed, replace the roller.
4. The fixing assembly is faulty.
Action: Replace the fixing assembly.
2-7. Black vertical lines
<Possible Causes>
1. There is a scratch in the peripheral direction of the photosensitive drum.
Action: Replace the cartridge.
2. There is a scratch on the fixing roller.
Action: Remove the cause of the scratch, and replace the fixing assembly.
2-8. Black horizontal lines
<Possible Causes>
1. There is a scratch across the photosensitive drum.
Action: Replace the cartridge.
2. The fixing roller is soiled, deformed, or worn.
Action: Replace the fixing assembly.
2-9. Soiled face
<Possible Causes>
1. The paper is soiled.
Action: Replace the paper with paper fresh out of package. At the same time, advise the user
on the correct method of storing paper.
2. The delivery roller is soiled.
Action: Clean the soiled area. If the dirt cannot be removed, replace the delivery roller.
3. There is dirt at specific intervals (separation roller, transfer charging roller, fixing roller, car-
tridge).
Action: Identify the soiled roller by referring to Table 4-2-1, and clean it. If the dirt cannot be
removed, replace the roller.
Download Service Manual And Resetter Printer at http://printer1.blogspot.com
- FY8-13HQ-000 1
- Use of this manual should 2
- INTRODUCTION 3
- CONTENTS 4
- CHAPTER 1 PRODUCT OUTLINE 4
- CHAPTER 4 TROUBLESHOOTING 5
- CHAPTER 3 MECHANICAL SYSTEM 5
- PRODUCT OUTLINE 6
- I. FEATURES 7
- II. SPECIFICATIONS 8
- CHAPTER 1 10
- III. SAFETY 11
- IV. NAMES OF PARTS 12
- V. INSTALLATION 15
- VI. RELOCATING THE PRINTER 27
- VIII. USING THE PRINTER 31
- OUTLINE OF OPERATION 39
- I. BASIC OPERATION 40
- II. ENGINE CONTROL SYSTEM 46
- Developing DC 60
- Comparison 60
- High-voltage 62
- III. LASER/SCANNER SYSTEM 69
- 12.6 sec (approx.) 75
- IV. IMAGE FORMATION SYSTEM 76
- Photo conducting layer 77
- Substrate 77
- Surface potential (V) 79
- Photosensitive drum 79
- Primary charging roller 79
- Laser beam 80
- Dark area Light area 80
- Transfer charging roller 82
- Static eliminating brush 82
- V. PICKUP/FEEDING SYSTEM 85
- VI. VIDEO CONTROL SYSTEM 98
- CHAPTER 2 100
- VII. PAPER FEEDER 104
- CHAPTER 3 110
- MECHANICAL SYSTEM 110
- I. EXTERNALS AND CONTROLS 111
- III. DRIVE MECHANISMS 125
- IV. FEEDING MECHANISMS 127
- V. EXPOSURE MECHANISMS 135
- VI. CHARGING/DEVELOPING/ 136
- CLEANING MECHANISMS 136
- VII. FIXING SYSTEM 137
- [17][16] 140
- [10][11] 143
- VIII. PAPER FEEDER 144
- CHAPTER 4 151
- TROUBLESHOOTING 151
- I. INTRODUCTION 152
- Is the delivery 153
- Canon Inc., LBP-2000 Printer 158
- Configuration Page 158
- III. MEASURES AGAINST JAMS 168
- IV. FEEDING FAULTS 172
- V. MALFUNCTIONS 174
- [3][6][7] [4][5] 191
- APPENDIX 204
- I. GENERAL TIMING CHART 205
- II. GENERAL CIRCUIT DIAGRAM 207
- Paper feeder controller PCB 208
- III. LIST OF SIGNALS 209
- IV. MESSAGES TABLE 214
- CANON INC 222
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