Canon GP160DF - Page 8

COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 5 LASER EXPOSURE SYSTEM
I. OVERVIEW..............................................5-1
II. BD SIGNAL GENERATION .....................5-3
A. Overview ............................................5-3
B. BD generation / detection ..................5-3
III. LASER DRIVER CIRCUIT .......................5-4
A. Operation ...........................................5-4
B. Laser light intensity control ................5-4
IV. LASER SCANNER MOTOR
CONTROL................................................5-6
A. Operation outline................................5-6
V. DISASSEMBLY, ASSEMBLY ..................5-7
A. Laser scanner unit .............................5-8
CHAPTER 6 IMAGE FORMATION SYSTEM
CHAPTER 7 PICK-UP / FEEDING SYSTEM
CHAPTER 8 FIXING SYSTEM
I. OVERVIEW..............................................6-1
A. Construction.......................................6-1
II. PRIMARY CHARGING ROLLER BIAS
CONTROL................................................6-3
A. Outline ...............................................6-3
B. Control operation ...............................6-3
III. TRANSFER CHARGING ROLLER BIAS
CONTROL................................................6-4
A. Overview ............................................6-4
B. Bias control ........................................6-5
IV. SEPARATION STATIC CHARGE
ELIMINATOR BIAS CONTROL ...............6-6
A. Operation ...........................................6-6
V. DEVELOPING BIAS CONTROL..............6-7
A. Outline ...............................................6-7
B. Operation ...........................................6-7
VI. RE-CHARGE BIAS CONTROL................6-8
A. Operation ...........................................6-8
VII. CARTRIDGE DETECTION ......................6-9
A. Operation ...........................................6-9
I. OVERVIEW..............................................7-1
A. Construction Overveiw.......................7-1
II. PICK-UP FEEDING OPERATION ...........7-2
A. Overveiw ............................................7-2
III. CASSETTE PICK-UP MECHANISM........7-3
A. Pick-up oparation ...............................7-3
B. Retry pick-up......................................7-5
C. Paper size detection ..........................7-6
IV. MULTI-FEEDER PICK-UP.......................7-7
A. Overview ............................................7-7
B. Multi-feeder pick-up mechanism ........7-8
C. Multi-feeder retry pick-up ...................7-9
D. Multi-feeder paper size setting.........7-10
V. PAPER FEEDING OPERATION............7-12
A. Paper leading edge detection ..........7-12
B. Paper width detection ......................7-12
VI. JAM DETECTION ..................................7-13
A. Overview ..........................................7-13
B. Types of Jam ...................................7-14
C. Jam sequence..................................7-14
VII. DISASSEMBLY, ASSEMBLY ................7-23
A. Cassette feeding assembly..............7-24
B. Multi-feeder assembly......................7-30
C. Registration roller assembly.............7-33
D. Feeder assembly .............................7-35
I. OPERATIONAL OVERVIEW ...................8-1
A. Overview ............................................8-1
B. Fixing pressure roller cleaning ...........8-1
II. FIXING CONTROL...................................8-3
A. Fixing temperature control .................8-3
B. Fixing heater safety mechanism ........8-5
C. Fixing assembly malfunction
detector..............................................8-5
III. DISASSEMBLY, ASSEMBLY ..................8-6
A. Removing the fixing assembly ...........8-7
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