Canon NP6317 Specifications Page 78
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- Table of contents
- TROUBLESHOOTING
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CHAPTER 4 IMAGE INFOMATION SYSTEM
COPYRIGHT
©
1999 CANON INC. CANON NP6317 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
4-20
[1] Drum unit
[2] Developing assembly
[3] Developing assembly release lever
[4] Screw
Figure 4-802
[2]
[3]
[4]
[1]
B. Corona System
1. Drum Unit
a. Detaching the Drum Unit
1) Open the front door.
2) Release the feeder assembly, and remove
the screw.
3) Turn the developing assembly release le-
ver counterclockwise.
4) Pull out the drum unit to the front care-
fully.
Note:
Take care not to damage the drum.
Note:
The photosensitive drum is susceptible
to light; exposure to even room light can
lead to white spots or black lines on the
copies.
As a rule, do not switch the copier ON
with the drum unit detached.
Note:
Do not press the COPY START key.
- FY8-13G5-000 1
- COPYRIGHT © 1999 CANON INC 2
- Printed in Japan 2
- Imprimé au Japon 2
- INTRODUCTION 3
- CONTENTS 5
- CHAPTER 6 FIXING SYSTEM 7
- CHAPTER 8 INSTALLATION 7
- CHAPTER 10 TROUBLESHOOTING 8
- CHAPTER 1 9
- GENERAL DESCRIPTION 9
- I. FEATURES 11
- II. SPECIFICATIONS 12
- D. Others 13
- III. NAMES OF PARTS 15
- [10][4][2] 16
- Blank Page 17
- IV. OPERATION 18
- V. IMAGE FORMATION 21
- CHAPTER 2 23
- BASIC OPERATION 23
- CHAPTER 2 BASIC OPERATION 26
- Figure 2-102 27
- C. Inputs to DC Controller 28
- Figure 2-104 29
- D. DC Controller Outputs 30
- Figure 2-106 31
- Figure 2-107 32
- Scanner is set for 33
- HOME position 33
- Table 2-101b 34
- CHAPTER 3 35
- EXPOSURE SYSTEM 35
- I. BASIC OPERATION 37
- II. LENS DRIVE SYSTEM 38
- CHAPTER 3 EXPOSURE SYSTEM 39
- SOLENOID DRIVE 40
- Table 3-301 41
- C. Basic Scanner Operation 42
- Figure 3-403 46
- V. DISASSEMBLY AND ASSEMBLY 47
- B. Scanner Drive Assembly 50
- C. Exposure Assembly 53
- D. Blank Assembly 55
- E. No. 4/5 Mirror Mount 56
- CHAPTER 4 57
- IMAGE FORMATION SYSTEM 57
- I. PROCESSES 59
- Figure 4-102 60
- A. Outline 61
- B. Mechanism 62
- Photosensitive 64
- L) of light 66
- B. Operation 67
- AC driver/ 70
- DC power 70
- D. Adjustment 71
- A. Outlines 72
- B. Remaining Toner Sensor 72
- C. Torque Limiter 73
- VII.BLANKING 74
- Blank exposure 75
- Cut-offs SL4 76
- VIII. DISASSEMBLY AND 77
- B. Corona System 78
- C. Primary/Transfer Corona 80
- Assembly 80
- Transfer corona assembly 81
- (about 5 mm) 81
- (about 2 mm) 81
- Magnetic side seal 83
- Magnetic cylinder 83
- CHAPTER 5 89
- PICK-UP/FEEDING SYSTEM 89
- Pick-up roller 91
- Control ring 91
- Figure 5-102 92
- Figure 5-103 93
- C. Identifying the Paper Size 94
- Figure 5-105 96
- II. JAM DETECTION 97
- 1 sec 1 sec 98
- COPYRIGHT 100
- III. FEEDER SYSTEM 101
- Base plate 104
- B. Feeder Assembly 107
- CHAPTER 6 111
- FIXING SYSTEM 111
- I. BASIC OPERATIONS 113
- Figure 6-101 114
- Figure 6-102 115
- III. DISASSEMBLY AND 116
- ASSEMBLY 116
- CHAPTER 6 FIXING SYSTEM 117
- Paper guide 124
- CHAPTER 7 129
- I. POWER SUPPLY 131
- Figure 7-101 132
- II. DISASSEMBLY AND 133
- [1] [3] [4] 134
- [7] [6] [5] 134
- B. Control Panel 137
- C. Copyboard Cover 139
- CHAPTER 8 143
- INSTALLATION 143
- I. LOCATION 145
- A. Unpacking 146
- Dummy drum 147
- Drum unit 148
- Light-blocking 148
- C. Checking the Operation 149
- D. Adding Toner 150
- E. Checking the Image 151
- CHAPTER 8 INSTALLATION 152
- III. RELOCATING THE COPIER 153
- IV. INSTALLING THE 154
- CONTROL CARD-V 154
- CHAPTER 9 157
- MAINTENANCE AND SERVICING 157
- II. DURABLE PARTS 160
- CHAPTER 10 163
- TROUBLESHOOTING 163
- I. MAINTENANCE AND INSPECTION 165
- Figure 10-102 166
- 2.0 ±1.5 mm 167
- 10.0 ±1.5 mm 168
- CHAPTER 10 TROUBLESHOOTING 169
- Figure 10-209 171
- Pulley 2 172
- For reference: 174
- Figure 10-213 Top View 174
- Photosensitive drum 176
- 1.8 ±0.2 mm 176
- Lower transfer guide 176
- Transfer assembly roller 176
- Primary corona assembly 177
- (about 2 mm) 177
- (about 5 mm) 177
- Trasnfer corona assembly 177
- Approx. 10.5 mm 178
- Approx. 10 mm 178
- Registration roller 180
- Multifeeder 180
- B. Electrical 181
- When the setting is lowered 182
- When the setting is raised 182
- 4. Checking Photointerrupters 184
- III. IMAGE TROUBLESHOOTING 185
- 6. Fogging (overall) 192
- 14. Faulty fixing 196
- 18. Blurred image 198
- 21. Blank image 199
- 22. Black image 200
- IV. OPERATION TROUBLESHOOTING 201
- 12. AC power is not supplied 207
- 13. DC power is not supplied 208
- 14. Drum does not rotate 209
- 18. Scanner does not move 211
- Figure10-401 212
- 22. Lens does not move 215
- 23. Counter does not operate 215
- 219
- A. Paper Jams 220
- 1. Copy paper 224
- 2. Wrinkles 225
- ELECTRICAL PARTS 226
- Figure 10-702 227
- Figure 10-703 228
- Figure 10-704 229
- VIII. SERVICE MODE 230
- C. Guide to Service Mode 231
- Table 10-802 232
- Table 10-803 232
- IX. SELF DIAGNOSIS 233
- APPENDIX 237
- A. GENERAL TIMING CHART 239
- Main motor (M1) 240
- Scanner cooling fan 240
- Pre-exposure lamp 240
- C. GENERAL CURCUIT DIAGRAM 243
- D. SOLVENTS AND OILS LIST 245
- This pubication is printed on 248
- 70% reprocessed paper 248
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