Canon FINISJER-E1 Service Manual page 142

CHAPTER 5 TROUBLESHOOTING
8. E580 (fault in the stack tray lifter motor M5)
Cause
Stack tray lifter
motor (M5)
Wring
Tray (phase)
Stack tray lifter
motor clock sensor
(S9)
Stack tray paper
height sensor (S10)
Stack tray upper
limit sensor (S13),
Stack tray lower
limit sensor (S12)
Finisher controller
PCB
Stack tray lifter
motor (M15)
5-18
Step Checks
1 Turn the flag of the stack tray lifter
motor clock sensor (S9) by hand.
Does it rotate smoothly?
2 Is the wiring between the finisher
controller PCB and the stack tray
lifter motor (M5) normal?
3 Is the phase (discrepancy in height)
between the front and the rear of the
stack tray correct?
4 Check the stack tray lifter motor
clock sensor (S9). Is it normal?
5 Check the stack tray paper height
sensor (S10). Is it normal?
6 Check the stack tray upper limit
sensor (S3) and the stack tray lower
limit sensor (S12). Are they normal?
7 Does the voltage between J3-1 and -2
on the finisher controller PCB change
to 24 V as soon as the stack tray lifter
motor (M5) starts to rotate?
COPYRIGHT © 1999 CANON INC.
Yes/No
No
No
No
No
No
No
No
Yes
CANON FINISHER-E1 REV.0 JAN. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Action
Correct the
mechanical
workings.
Correct the wiring.
Make adjustments so
that the phase is
correct.
Replace the sensor.
Replace the sensor.
Replace the sensor.
Replace the finisher
controller PCB.
Check the wiring
from the stack tray
lifter motor (M5) to
the finisher controller
PCB; if normal,
replace the motor.