Canon imageRUNNER 330 Service Manual page 639

CHAPTER 14 TROUBLESHOOTING
Code
E537
E577
E580
14-240
COPYRIGHT © 1999 CANON INC.
Cause
• The front alignment motor (M3) is
faulty.
• The front aligning plate home
positions sensor (S6) is faulty.
• The front alignment motor relay
harness is faulty.
• The front aligning plate has an excess
load.
• The stack processing motor (M2) or
the finisher controller PCB is faulty.
• The returning roller home positions
sensor (S3) is faulty; or, the harness
connector is disconnected, or there is
an open circuit.
• The stack processing motor relay
harness is faulty.
• The stack delivery lever is faulty.
• The returning roller is faulty.
• The stack tray lift motor (M5) is
faulty.
• The stack tray power height sensor
(S10) is faulty; or, the harness
connector is disconnected, or there is
an open circuit.
• The stack tray lift motor has a faulty
load.
• The finisher controller PCB is faulty.
CANON imageRUNNER 400/330 REV.0 JAN. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Description
• The aligning plate does not
reach the aligning plate
home position sensor when
the front alignment motor
(M3) has been driven for a
specific period of time.
• The aligning plate doe not
leave the aligning plate
home position sensor (S6)
after the front alignment
motor (M3) has been driven
for a specific period of time.
The returning roller does not
reach the home position even
when the stack processing
motor (M2) has been driven
long enough to return it to the
returning roller home positions
sensor (S3).
Reference:
The same condition will be
treated as a jam if it occurs
while the stack is being aligned
in feeding direction.
• The stack tray upper limit
sensor (S13) has turned on
while the tack tray lift motor
(M5) is being driven.
• The clock signal from the
stack tray lift motor clock
sensor (S9) is not detected
15 times or more within 0.8
sec while the stack tray lift
motor (M5) is being driven.
• The stack tray does not
reach the stack tray paper
height sensor (S10) 4 sec
after the stack tray lift motor
(M5) has been turned on for
upward movement.
• The stack tray does not
leave the stack tray paper
height sensor (S10) 4 sec
after the stack tray lift motor
(M5) has been turned on for
downward movement.