Transfer Drum; Outline - Canon CLC 1120 Service Manual

CHAPTER 7 PICK-UP / FEEDING SYSTEM
V.

TRANSFER DRUM

A. Outline
The transfer drum is constructed as shown in Figure 7-501.
The transfer drum keeps copy paper against the transfer drum sheet using static charges, and
sends it to the fixing assembly after transfer (maximum of four times).
Item
Transfer rum locking motor (PM5)
Drum motor (M2)
Main motor (M4)
Transfer drum cleaner locking motor (PM6)
Attraction/transfer locking cam motor (PM7)
Transfer drum cleaner brush motor (M8)
Polishing roller motor (M9)
Separation push-up solenoid (SL3)
Separation claw solenoid (SL4)
Pre-transfer paper sensor (PS5)
Post-transfer paper sensor (PS6)
Separation sensor (PS7)
Attraction/transfer locking cam HP sensor (PS8) Detects the home position (release position) of the
Transfer drum HP sensor (PS57)
Transfer drum cleaner HP sensor (PS59)
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COPYRIGHT © 1999 CANON INC.
Stepping motor used to lock and unlock the transfer
drum unit to and from the photosensitive drum by the
work of a cam (remains locked as long as the transfer
drum is rotating).
Used to drive the transfer drum by way of the
photosensitive drum.
Drives the registration roller and the attraction roller.
Stepping motor used to lock and unlock the transfer
drum cleaner.
Stepping motor used to drive the attraction brush,
transfer blade, and push-on brush.
DC motor used to drive the transfer drum cleaner
brush.
DC motor used to drive the polishing roller.
Drives the separation push-up roll.
Drives the separation claw.
Detects a jam before transfer.
Detects a jam after transfer.
Detects a jam in the separation assembly.
attraction/transfer locking cam.
Detects the home position (release position) of the
transfer drum unit.
Detects the home position of the transfer drum cleaner
unit.
Table 7-501
CANON CLC1120/1130/1150 REV.0 MAR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Description