Canon 1130 Service Manual page 679

CHAPTER 13 TROUBLESHOOTING
11 E020
• Check the detail code of E000 in service mode (COPIER>DISPLAY>ERR).
a. E020=xx00, xx12, xx13, xx16, xx17, xx20, xx21, xx23, xx24,
xx35, xx40, xx41, xx42, xx43
(The first two digits indicate color; e.g., xx=01 is Y, 02 is M, 03 is C, 04 is Bk).
Cause
Backup data
Uneven toner
concentration in
side developing
assembly
Developing
assembly
Connector, wiring
13-104
COPYRIGHT © 2002 CANON INC.
Step Checks
1 Is the setting of
COPIER>DISPLAY>DENS in
service mode the same as that on
the service label?
2 Execute STIR for the color for
which E020 is indicated using
service mode
(COPIER>FUNCTION>INSTALL).
Is the problem corrected?
3 Replace the developer for the color
for which E020 is indicated, and
execute
COPIER>FUNCTION>INSTALL>
INIT in service mode.
4 Is the connection of and wiring
between the following connectors
normal?
DC driver PCB
Y, M, C, K: J0017
Connectors
M: J518
C: J520
Y: 519
K: J522
Developing Assembly (toner
concentration sensor)
M: J525
C: J527
Y: J526
Black Toner Concentration Sensor
K: J529
Gradation Sensor (CLC1140/1160/
1180)
4C: J824
CANON CLC1100/1130/1150/1160/1180 REV.2 FEB. 2002 PRINTED IN JAPAN (IMPRIME AU JAPON)
xx25, xx30, xx31, xx33, xx34,
Yes/No Action
NO Enter the setting of
ADJUST>DENS once
again.
YES End.
YES End.
NO Correct the connection
and wiring.