CHAPTER 13 TROUBLESHOOTING
13-146
COPYRIGHT © 1999 CANON INC. CANON CLC1120/1130/1150 REV.0 MAR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Cause
AC power supply
SSR1
DC power supply
PCB, CPU PCB
Action
Check the power switch
(SW1) and the AC
power cut relay (RL1); if
normal, see "AC power
is absent."
Check the wiring from
the AC power cut relay
(RL1) to SSR1 and from
SSR1 to the fixing
assembly drawer
connector; if normal,
replace SSR1.
Replace the DC driver
PCB or the CPU PCB.
Step
7
8
Yes/No
NO
YES
NO
Checks
Slide in the transfer drum frame,
and turn on the power switch. Set
the meter range to 250 VAC, and
connect the meter probes to the
following terminals of the faston of
the AC power cut relay (RL1);
does the index of the meter swing?
Terminals 6 and 8 of RL1
Set the meter range to 10 VDC, and
connect the meter probes to the
following terminals of the DC
driver PCB; does the index of the
meter indicate about +5 V?
J1024-B1 and B4 (GND)
J1024-B2 and -B4 (GND)
Summary of Contents for CLC 1120
Page 6: ......
Page 20: ......
Page 22: ......
Page 48: ......
Page 94: ......
Page 96: ......
Page 114: ......
Page 134: ......
Page 136: ......
Page 152: ......
Page 242: ......
Page 346: ......
Page 374: ......
Page 376: ......
Page 412: ......
Page 452: ......
Page 454: ......
Page 517: ......
Page 881: ......
Page 893: ......
Page 895: ......
Page 899: ......