COPYRIGHT © 1999 CANON INC. CANON imageRUNNER 400/330 REV.0 JAN. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
ix
CHAPTER 6 IMAGE FORMATION SYSTEM
I.
OUTLINE OF IMAGE FORMATION
PROCESS ..................................6-1
A. Outline ...................................6-1
B. Sequence of Operations ........6-2
C. Controlling the Primary
Charging Roller Bias..............6-3
D. Controlling the Transfer
Charging Roller Bias..............6-8
E. Controlling the Separation
Static Eliminator Bias...........6-12
F. Controlling the Transfer
Guide ...................................6-14
G. Primary Charging Roller
Cleaning Mechanism ...........6-15
II. DEVELOPING ASSEMBLY ......6-16
A. Outline .................................6-16
B. Controlling the Developing
Bias......................................6-17
C. Controlling Toner Level
Detection .............................6-20
III. DRUM CLEANER .....................6-21
A. Outline .................................6-21
B. Detecting Waste Toner .........6-22
IV. DISASSEMBLY/ASSEMBLY .....6-23
A. Drum Unit ............................6-24
B. Transfer Charging Roller ......6-25
C. Drum Sensor Unit ................6-25
D. Magnet Plate .......................6-26
E. Primary Charging Roller
Cleaning Solenoid ...............6-27
F. Developing Assembly ..........6-28
CHAPTER 7 PICK-UP/FEEDING SYSTEM
I.
OUTLINE OF OPERATIONS ......7-1
A. Outline ...................................7-1
B. Sequence of Operations
(pick-up from the cassette) ....7-4
C. Operation in Standby State .7-16
D. Detecting the Level of Paper . 7-18
E. Identifying the Size of Paper .. 7-20
F. Multifeeder ...........................7-25
G. Controlling the Registration
Roller Clutch ........................7-27
H. Making Overlay Copies........7-28
I. Operation .............................7-28
J. Delivery Assembly ...............7-40
K. Detecting Jams ....................7-43
II. DISASSEMBLY/ASSEMBLY .....7-51
A. Pick-Up Assembly................7-52
B. Multifeeder ...........................7-55
C. Feeding Assembly ...............7-58
D. Lower Feeding Assembly.....7-59
E. Registration Roller Assembly .. 7-61
F. Delivery Assembly ...............7-62
G. Lower Feeding Motor ...........7-66
H. Pick-Up Drive Assembly ......7-67
I. Vertical Path Assembly ........7-68
CHAPTER 8 PAPER DECK
I.
PAPER DECK ............................8-1
A. Inputs to and Outputs from
the Deck Driver ......................8-1
B. Pick-Up ..................................8-4
C. Detecting Paper .....................8-7
D. Deck Lifter .............................8-9
E. Opening/Closing the Deck
(compartment) .....................8-12
F. Controlling the Deck Motor ..8-14
II. DETECTING JAMS ..................8-18
A. Outline .................................8-18
III. DISASSEMBLY/ASSEMBLY .....8-20
A. External Covers ...................8-21
B. Paper Deck ..........................8-24
C. Drive System .......................8-29
D. Feeding System ...................8-36
E. Electrical System .................8-39
Содержание imageRunner 330
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