Canon LBP 2460 Service Manual - Page 8

TROUBLESHOOTING, THE MECHANICAL SYSTEM, Manual Feed Pick-up Unit - cartridge

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CHAPTER 3 THE MECHANICAL SYSTEM I. EXTERNALS 3-1 A. External Covers 3-1 B. Fans 3-6 C. Operation Panel Unit 3-9 II. DRIVE SYSTEM 3-10 A. Drive Unit 3-10 B. Main Motor 3-11 III. PAPER TRANSPORT SYSTEM ...... 3-12 A. Pick-up Unit 3-12 B. Delivery Unit 3-15 C. Registration Roller Unit 3-16 D. Manual Feed Pick-up Unit........... 3-17 E. Manual Feeding Pick-up Roller 3-19 F. Separation Pad 3-20 G. Pick-up/Feed/Separation Rollers 3-20 IV. EXPOSURE SYSTEM 3-21 A. Laser/Scanner Unit 3-21 V. ELECTROSTATIC IMAGING/ DEVELOPING/CLEANING SYSTEM 3-22 A. EP-W Cartridge 3-22 B. Transfer Charging Roller 3-23 VI. FIXING SYSTEM 3-24 A. Fixing Unit 3-24 VII. ELECTRONIC COMPONENTS ...... 3-32 A. Video Controller PCB 3-32 B. Hard Disk 3-33 C. DC Controller PCB 3-33 D. Pick-up PCB 3-34 E. Multi-purpose Tray PCB 3-34 F. Switch/Sensor PCB 3-35 G. High-voltage Power Supply PCB 3-36 H. Cassette-size Sensing PCB 3-37 I. Power Supply 3-37 VIII. ENVELOPE FEEDER 3-39 IX. DUPLEXING UNIT 3-45 X. OPTION CONTROLLER 3-52 XI. PAPER DECK 3-53 CHAPTER 4 TROUBLESHOOTING I. MAINTENANCE AND SERVICING 4-1 A. Periodic Replacement Parts 4-1 B. Expected Lives of Consumable Parts 4-1 C. Periodic Servicing Schedule 4-1 D. Service Checkpoints 4-2 II. TOOLS 4-5 A. Standard Tools 4-5 B. Special Tools 4-6 C. Special Tools Explanation 4-7 III. MEASUREMENT AND ADJUSTMENT 4-14 A. Mechanical Adjustment 4-14 B. Electrical Adjustment 4-17 IV INITIAL CHECK 4-18 V. IMAGE DEFECTS 4-19 A. Test Print 4-19 B. Examples of Image Defects 4-21 C. Image Defect Troubleshooting 4-22 VI. MALFUNCTION TROUBLESHOOTING 4-28 A. Massage Table 4-29 B. Malfunction Troubleshooting 4-36 VII. PAPER FEEDING

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CHAPTER 4 TROUBLESHOOTING
CHAPTER 3
THE MECHANICAL SYSTEM
I.
EXTERNALS
.....................................
3-1
A.
External Covers
...........................
3-1
B.
Fans
...............................................
3-6
C.
Operation Panel Unit
...................
3-9
II.
DRIVE SYSTEM
...............................
3-10
A.
Drive Unit
.....................................
3-10
B.
Main Motor
..................................
3-11
III.
PAPER TRANSPORT SYSTEM
......
3-12
A.
Pick-up Unit
.................................
3-12
B.
Delivery Unit
................................
3-15
C.
Registration Roller Unit
..............
3-16
D.
Manual Feed Pick-up Unit
...........
3-17
E.
Manual Feeding Pick-up
Roller
.............................................
3-19
F.
Separation Pad
.............................
3-20
G. Pick-up/Feed/Separation
Rollers
...........................................
3-20
IV.
EXPOSURE SYSTEM
......................
3-21
A.
Laser/Scanner Unit
......................
3-21
V.
ELECTROSTATIC IMAGING/
DEVELOPING/CLEANING
SYSTEM
.............................................
3-22
A.
EP-W Cartridge
...........................
3-22
B.
Transfer Charging Roller
...........
3-23
VI.
FIXING SYSTEM
..............................
3-24
A.
Fixing Unit
....................................
3-24
VII.
ELECTRONIC COMPONENTS
......
3-32
A.
Video Controller PCB
.................
3-32
B.
Hard Disk
.....................................
3-33
C.
DC Controller PCB
......................
3-33
D.
Pick-up PCB
.................................
3-34
E.
Multi-purpose Tray PCB
............
3-34
F.
Switch/Sensor PCB
......................
3-35
G.
High-voltage Power Supply
PCB
...............................................
3-36
H.
Cassette-size Sensing
PCB
...............................................
3-37
I.
Power Supply
...............................
3-37
VIII. ENVELOPE FEEDER
......................
3-39
IX.
DUPLEXING UNIT
...........................
3-45
X.
OPTION CONTROLLER
................
3-52
XI.
PAPER DECK
....................................
3-53
I.
MAINTENANCE AND
SERVICING
.......................................
4-1
A.
Periodic Replacement
Parts
..............................................
4-1
B.
Expected Lives of
Consumable Parts
........................
4-1
C.
Periodic Servicing
Schedule
........................................
4-1
D.
Service Checkpoints
.....................
4-2
II.
TOOLS
................................................
4-5
A.
Standard Tools
.............................
4-5
B.
Special Tools
.................................
4-6
C.
Special Tools Explanation
............
4-7
III.
MEASUREMENT AND
ADJUSTMENT
..................................
4-14
A.
Mechanical Adjustment
..............
4-14
B.
Electrical Adjustment
..................
4-17
IV
INITIAL CHECK
..............................
4-18
V.
IMAGE DEFECTS
............................
4-19
A.
Test Print
......................................
4-19
B.
Examples of Image
Defects
...........................................
4-21
C.
Image Defect
Troubleshooting
...........................
4-22
VI.
MALFUNCTION
TROUBLESHOOTING
....................
4-28
A.
Massage Table
..............................
4-29
B.
Malfunction
Troubleshooting
...........................
4-36
VII.
PAPER FEEDING