Canon CLC 1120 Service Manual page 866

Code
E041
E051
E061
COPYRIGHT © 1999 CANON INC.
Cause
· The deck lifter motor (M101) is
faulty.
· The deck lifter position sensor
(PS104) is faulty.
· The deck lifter cable is broken.
· The deck driver PCB is faulty.
· The duplexing paper jogging guide
motor (PM14) is faulty.
· The duplexing paper jogging guide
HP sensor (PS40) is faulty.
· The duplexing driver PCB is
faulty.
· The CPU PCB is faulty.
· The potential sensor is faulty.
· The pre-exposure lamp is faulty.
· The primary high-voltage output is
faulty.
· The grid bias is absent.
· The grid bias is not controlled
properly.
· The grid bias output is faulty.
· The post-cleaning charging output
is faulty.
· The laser emission is faulty.
· The bending mirror is faulty.
· The laser shutter is faulty.
CANON CLC1120/1130/1150 REV.0 MAR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 13 TROUBLESHOOTING
Timing of detection
The deck lifter position sensor
cannot detect the deck lifter even
when the deck lifter UP signal has
been kept on for a specific period of
time.
0000 The paper jogging guide HP
sensor does not go '0' when
the paper jogging motor has
been kept on for a specific
period of time.
0001 The paper jogging guide HP
sensor does not go '1' when
the paper jogging guide motor
has been kept on for a specific
period of time.
Potential Control-Related Error
VDI: potential during initial rotation
Vd3: post-cleaning charging area
during dark area attenuation
potential measurement
offset value: value determined in
service mode
(FUNCTION>DPC>OFST)
xx indicates the color of a
developing assembly.
xx=01: M
xx=02: C
xx=03: Y
xx=04: Bk
0000 All Vd/VL is 10 V or less.
0001 The offset value is not 100 ±
50.
0010 VL3 is 200 V or less.
0020 Vd1/Vd2/VdI is 30V or less.
0030 Vd1/Vd2/VdI is 100 V or less.
0031 VdI/Vd2/VdI is 900 V or
more.
0032 The difference between Vd1
and Vd2 is 100 V or less.
0040 Vd3 is 100 V or less.
0050 The difference between Vd1
and VL1 is 30 V or less and,
in addition, Vd1 is 350 V or
more; or, the difference
between Vd2 and VL2 is 30 V
or less and, in addition, Vd2 is
550 V or more.
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