Detecting A Waste Toner Feedscrew Lock Condition - Canon CLC 1120 Service Manual

2. Detecting a Waste Toner Feedscrew Lock Condition

If the waste toner feedscrew is prevented from rotation because of some fault, waste toner
could leak from the drum cleaning assembly. To prevent such a problem, the waster toner
feedscrew locking switch (SW7) is used to detect a feedscrew lock condition.
Related Error Code
E013
This error code is indicated when SW7 is pushed by gear A.
If the waste toner feedscrew
locks, gear A shifts in the
detection of the arrow.
Main motor
COPYRIGHT © 1999 CANON INC.
M4
SW7
Gear A
Waste toner feedscrew locking
switch
DC driver PCB
Figure 6-502
CANON CLC1120/1130/1150 REV.0 MAR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 6 IMAGE FORMATION SYSTEM
Cleaner waste toner
feedscrew
Waste toner feedscrew
Waste toner pipe
Waste toner case
6-51