C. Sorter - Canon NP6251 Service Manual

CHAPTER 11 TROUBLESHOOTING

C. Sorter

Code
• The CPU (Q1) or the communica-
E500
tions IC (Q3) on the sorter controller
PCB is not operating normally.
• Feeding motor (M1; fails)
E510
• Feeding guide (up/down
mechanism, interference, etc.)
• Push bar motor (M7; fails)
E522
• Reference wall motor (M6; fails)
E523
• Multi guide motor (M5; fails)
E524
• Bin paper sensor automatic
E525 adjustment (fails)
• Bin paper sensor (S6, S7; auto
E526
adjust fault)
• Guide bar swing motor (M8; fails)
E530
• Stapler unit swing motor (M4; fails)
E531
11-266
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Cause
CANON NP6350/NP6251 REV. 0 JULY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Description
• An error in the communication
between sorter and copier occurred.
• The clock signal from the motor
remains off for 250 msec.
• After the motor drive signal has
been generated, the operation does
not end in 2 sec.
• After the motor drive signal has
been generated, the operation does
not end in 2 sec.
• After the motor drive signal has
been generated, the operation does
not end in 2 sec.
• The bin paper sensor cannot be
adjusted automatically, or the
automatic adjustment setting has an
error.
• The bin paper sensor (S6, S7)
cannot be adjusted automatically, or
the automatic adjustment setting
has an error.
• After the motor drive signal has
been generated, the operation does
not end within a specific period of
time.
for front access, 5 sec
for others, 2 sec
• After the motor drive signal has
been generated, the operation does
not end in 2 sec.
• Clock signals from the motor clock
sensor (PI8) are not received for
250 msec.
• The input signal from the swing
home position sensor (PI9) does not
change for 1 sec or more.