Canon CLC 1120 Service Manual page 636

e. E020=00FF, xxFF
Cause
Hopper motor
(M10)
DC driver PCB,
CPU PCB
E020 Making Checks
1) Find out the color for which E020 is indicated in service mode (COPIER>DISPLAY>ERR).
2) Turn off and then on the copier, and select the following:
· A3/11x17
· 21 copies
· mono color copying (using the color for which E020 is indicated)
3) Select COPIER>DISPLAY>DENS in service mode.
4) Place several sheets of A3/11x17 copy paper on the copyboard glass, and press the Copy Start
key.
5) Check the following:
· Normal if the reading of DENS of the color for which E020 is indicated approaches '0'
during copying.
· Is E020 indicated after copying operation?
COPYRIGHT © 1999 CANON INC.
Step Checks
1 Select the hopper motor (0) in
service mode
(COPIER>FUNCTION>PART-
CHK>MTR), and press OK for
MTR-ON. Does the hopper motor
rotate?
CANON CLC1120/1130/1150 REV.0 MAR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 13 TROUBLESHOOTING
Yes/No
NO Check the wiring from
the DC driver PCB to
the hopper motor; if
normal, replace the
motor.
YES Replace the DC driver
PCB or the CPU PCB.
Action
13-109