Canon LBP 2460 - B/W Laser Printer Service Manual page 8

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
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
CHAPTER 3 THE MECHANICAL SYSTEM
CHAPTER 4 TROUBLESHOOTING
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
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