2GZ/2G1-2
1-4-30
8360 Centerfold main motor problem
(optional centerfold unit of 3000-sheet
document finisher)
The motor lock signal is detected above
1000 ms during driving the centerfold
main motor.
Poor contact in the
connector termi-
nals.
Check the connection of connector YC12 on
the centerfold main PWB and the connector
of the centerfold main motor, and the conti-
nuity across the connector terminals. Repair
or replace if necessary.
Defective center-
fold main motor.
Replace the centerfold main motor.
Defective PWB. Replace the centerfold main PWB or finisher
main PWB and check for correct operation.
8440 Sensor adjusting problem (optional
document finisher)
The sensor cannot be adjusted within
the specified range.
The paper entry
sensor connector
makes poor con-
tact.
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
remedy or replace the cable.
Defective paper
entry sensor.
Replace the paper entry sensor and check
for correct operation.
The optical path of
the paper entry
sensor is blocked
by foreign matter.
Remove the foreign matter.
Defective finisher
main PWB.
Replace the finisher main PWB and check
for correct operation.
8460 EEPROM problem (optional document
finisher)
Reading from or writing to EEPROM
cannot be performed.
Defective
EEPROM or fin-
isher main PWB.
Replace the finisher main PWB and check
for correct operation.
8500 Mailbox communication error
(optional mailbox of 3000-sheet docu-
ment finisher)
Communication with the mailbox is not
possible although the connection is
detected.
Poor contact in the
connector termi-
nals.
Check the connection of the connector of
the mailbox and the connector YC7 on the
finisher main PWB, and the continuity
across the connector terminals. Repair or
replace if necessary.
Defective PWB. Replace the mailbox main PWB or finisher
main PWB and check for correct operation.
8510 Mailbox drive motor problem
(optional mailbox of 3000-sheet docu-
ment finisher)
The motor lock signal is detected above
500 ms during driving the mailbox drive
motor.
Poor contact in the
connector termi-
nals.
Check the connection of connector YC2 on
the mailbox main PWB and the connector of
the mailbox drive motor, and the continuity
across the connector terminals. Repair or
replace if necessary.
Defective mailbox
drive motor.
Replace the mailbox drive motor.
Defective PWB. Replace the mailbox main PWB or finisher
main PWB and check for correct operation.
8800 Document finisher communication
problem (optional 3000-sheet docu-
ment finisher)
No communication: there is no reply
after 5 retries.
Abnormal communication: a communica-
tion error (parity or checksum error) is
detected five times in succession.
Poor contact in the
connector termi-
nals.
Check the connection of connector on the
finisher main PWB and the connector on the
engine PWB, and the continuity across the
connector terminals. Repair or replace if
necessary.
Defective PWB. Replace the finisher main PWB or engine
PWB and check for correct operation.
Code Contents
Remarks
Causes Check procedures/corrective measures