Canon STAPLER SORTER-L1/MS-C1 Service Manual page 108

CHAPTER 5 TROUBLESHOOTING
3 E531 indicator ON (Stapler sorter only)
Cause/position Order
Circuit breaker
Power of 24V
not supplied
Stapler unit
swing motor
(M1)
Stapler unit
swing motor
home position
switch (SW1)
Sorter controller
PCB
5-14
COPYRIGHT © 1998 CANON INC. CANON STAPLER SOTRER-L1 MS-C1 REV.0 NOV. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Check item
1 Operation of circuit breaker (CB1) on
the sorter controller PCB
2 Set the tester range to 50VDC. Check
that the voltage between the J6-3(+) and
J6-4(-) on the sorter controller PCB is
about 24V.
3 Pulse output at the connector J2-1, 2, 4
and 5 on the sorter controller PCB at the
stapler unit swing motor operating
timing.
+24V at J12-1
4 Set the tester range to 50VDC. Check
that the voltage between J8-1(+) and J8-
2(-) on the sorter controller PCB is
about 0V when the stapler unit is at the
swing motor home position and about
24V when not.
Result Correction
YES Remove the cause of the
actuation of the circuit
breaker and turn ON the
circuit breaker.
NO Check the power supply
of 24V to the copier.
YES Check the wiring down to
the stapler unit swing
motor. If normal, replace
the stapler unit swing
motor.
YES Stapler unit swing motor
home position switch
(SW1)
NO Replace the sorter
controller PCB and adjust
the sensitivity of the
guide bar motor swing
range, stapler swing
range, and motor swing
range (refer to pages 5-3
to 5-7 for the procedure).