Utax CD 1230, Service Manual

Page: 153 / 302

2GN/2GP/2GR
1-4-40
C8350 Centerfold side registration motor 2
problem (optional centerfold unit of
3000-sheet document finisher)
The home position is not detected when
initial operation even if 1000 ms passed.
Poor contact in the
connector termi-
nals. Check the connection of connector YC7 on
the centerfold main PWB and the connector
of centerfold side registration motor 2, and
the continuity across the connector termi-
nals. Repair or replace if necessary.
Defective center-
fold side registra-
tion motor 2. Replace centerfold side registration motor 1.
Defective PWB. Replace the centerfold main PWB or finisher
main PWB and check for correct operation.
C8360 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.
C8440 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.
C8460 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.
C8500 Mail box communication error
(optional mail box of 3000-sheet doc-
ument finisher)
Communication with the mail box is not
possible although the connection is
detected.
Poor contact in the
connector termi-
nals. Check the connection of the connector of
the mail box 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 mail box main PWB or finisher
main PWB and check for correct operation.
Code Contents
Remarks
Causes Check procedures/corrective measures