Kyocera TASKalfa 420i - Page 200

2KR/2KS
1-4-42
C8320 Centerfold paper conveying belt
motor problem (optional center-fold-
ing unit of 3000-sheet document fin-
isher)
The home position is not detected when
initial operation even if 2.5 s passed.
Poor contact in the
connector termi-
nals.
Check the connection of connector YC6,
YC7 on the centerfold main PWB and the
connector of centerfold paper conveying belt
motor 1/2, and the continuity across the con-
nector terminals. Repair or replace if neces-
sary.
Defective center-
fold paper convey-
ing belt motor 1/2.
Replace centerfold paper conveying belt
motor 1/2.
Defective PWB. Replace the centerfold main PWB or finisher
main PWB and check for correct operation.
Adjustment motor 2 problem
(optional document finisher)
The adjustment sensor 2 does not turn
on/off within specified time of the adjust-
ment motor 2 turning on.
The adjustment
sensor 2, adjust-
ment motor 2 con-
nector makes poor
contact.
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
remedy or replace the cable.
Defective adjust-
ment sensor 2.
Replace the adjustment sensor 2.
Defective adjust-
ment motor 2.
Replace the adjustment motor 2.
Defective finisher
main PWB.
Replace the finisher main PWB and check
for correct operation.
C8330 Blade motor problem (optional cen-
ter-folding unit of 3000-sheet docu-
ment finisher)
The home position is not detected when
initial operation even if 1.5 s passed.
Poor contact in the
connector termi-
nals.
Check the connection of connector YC8 on
the centerfold main PWB and the connector
of the blade motor, and the continuity across
the connector terminals. Repair or replace if
necessary.
Defective blade
motor.
Replace the blade motor.
Defective PWB. Replace the centerfold main PWB or finisher
main PWB and check for correct operation.
Adjustment motor 1 problem
(optional document finisher)
The adjustment sensor 1 does not turn
on/off within specified time of the adjust-
ment motor 1 turning on.
The adjustment
sensor 1, adjust-
ment motor 1 con-
nector makes poor
contact.
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
remedy or replace the cable.
Defective adjust-
ment sensor 1.
Replace the adjustment sensor 1.
Defective adjust-
ment motor 1.
Replace the adjustment motor 1.
Defective finisher
main PWB.
Replace the finisher main PWB and check
for correct operation.
Code Contents
Remarks
Causes Check procedures/corrective measures