Canon GP160DF Manuale di servizio - Pagina 8
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Stampa la paginaCHAPTER 5 LASER EXPOSURE SYSTEM
OVERVIEW..............................................5-1
.
BD SIGNAL GENERATION .....................5-3
A. Overview ............................................5-3
B. BD generation / detection ..................5-3
I.
LASER DRIVER CIRCUIT .......................5-4
A. Operation ...........................................5-4
CHAPTER 6 IMAGE FORMATION SYSTEM
OVERVIEW..............................................6-1
A. Construction .......................................6-1
.
PRIMARY CHARGING ROLLER BIAS
CONTROL................................................6-3
A. Outline ...............................................6-3
B. Control operation ...............................6-3
I.
TRANSFER CHARGING ROLLER BIAS
CONTROL................................................6-4
A. Overview ............................................6-4
B. Bias control ........................................6-5
CHAPTER 7 PICK-UP / FEEDING SYSTEM
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
CHAPTER 8 FIXING SYSTEM
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
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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
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
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
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
CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)