Canon 1130 Service Manual page 684

c. E020=xx50, xx51, xx52, xx53, xx60, xx61, xx62, xx63, xx64, xx65, xx66,
xx73, xx74, xx75,
(The first two digits indicate color; e.g., xx=00 for all colors, 01 for M, 02 for C, 03 for Y, and
04 for Bk.)
Cause
Backup data
Gradation sensor
CPU PCB
COPYRIGHT © 2002 CANON INC.
xx76, xx77
Step Checks
1 Is the setting of
COPIER>DISPLAY>DENS in
service mode identical to the
setting recorded on the service
label?
2 Is the setting of the following in
service mode the same as the
setting indicated on the service
label: ADJUST>DENS>P-SENS-
Y/M/C/K? (CLC1140/1160/1180
only)
3 Replace the CPU PCB. Is the
problem corrected?
CANON CLC1100/1130/1150/1160/1180 REV.2 FEB. 2002 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 13 TROUBLESHOOTING
Yes/No
NO Enter the setting of DC-
CON newly.
NO Enter the setting
indicated on the service
label. For instructions,
see II. C. 7.
After replacement,
YES
execute the work under
II. H. 1.
xx67, x71, xx72,
Action
13-107