Controlling The Attraction Mechanism - Canon 1130 Service Manual

CHAPTER 7 PICK-UP / FEEDING SYSTEM
C. Controlling the Attraction Mechanism
The copier's transfer drum is designed to retain paper on the transfer drum sheet using static
charges.
During copying operation, the attraction roller solenoid (SL6) remains on for a period of time
equal to the length of the paper to bring the attraction roller in contact with the transfer drum sheet.
At this time, the attraction brush turns on, causing the transfer drum sheet to attract the paper.
1. In the case of a mono-color copy, the paper is separated before the transfer
REF.
2. In the case of retaining two sheets of paper, SL6 does not turn off between
Transfer drum
Attraction brush
7-32
COPYRIGHT © 2002 CANON INC.
drum completes a full rotation. As such, SL6 remains on at all times with-
out turning off.
the first and second sheets.
Spring clutch
CANON CLC1100/1130/1150/1160/1180 REV.1 FEB. 2002 PRINTED IN JAPAN (IMPRIME AU JAPON)
Transfer drum sheet
Attraction roller
Figure 7-403
Cam
Arm
Arm
SL5
ON