COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
11-70
CHAPTER 11 TROUBLESHOOTING
11-70
17 Pickup fails. (multifeeder)
YES/NO
NO
NO
NO
NO
YES
Cause
Wrong
operation
Main motor
(M1)
Paper place-
ment
Multifeeder
pickup
solenoid
(SL4),
Pickup
clutch
solenoid
(SL1)
DC control-
ler PCB
Step
1
2
3
4
Checks
Is the multifeeder selected on the
control panel?
Does the main motor (M1) rotate when
the Copy Start key is pressed?
Is the paper placed in the multifeeder
correctly?
Set the meter range to 30 VDC, and
connect the meter probes as indicated.
Does the voltage change to about 24 V
in keeping with pickup operation?
Table 11-403
Action
Instruct the user on the
correct way of operat-
ing the machine.
See “The main motor
fails to rotate.”
Instruct the user on the
correct way of placing
paper.
Check the wiring from
the solenoid to the DC
controller PCB; if
normal, replace the
solenoid in question.
Replace the DC
controller PCB.
Multifeeder
pickup solenoid
(SL4)
Pickup clutch
solenoid (SL1)
+
J109-8
J109-4
-
J109-7
J109-3
18 Pickup fails. (single-feeder)
YES/NO
NO
NO
YES
Cause
Main motor
(M1)
Single-feeder
paper sensor
(PS5)
DC control-
ler PCB
Step
1
2
Checks
Does the main motor rotate when the
Copy Start key is pressed?
Is the single-feeder paper sensor (PS5)
normal?
Action
See “The main motor
fails to rotate.”
Check the wiring from
J113 to PS5 on the DC
control PCB; if nor-
mal, replace PS5.
Replace the DC
controller PCB.
Содержание PC800 Series
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