Kyocera ECOSYS FS-4300DN Service Manual page 72

Code Contents
1150 BPF lift motor downward
error (Bulk paper feeder)
BPF lift minimum sensor does
not turn on.
The lock signal of the motor is
detected continuously three
times.
1800 Paper feeder 1 communica-
tion error
A communication error is
detected 10 times in succes-
sion.
1810 Paper feeder 2 communica-
tion error
A communication error is
detected 10 times in succes-
sion.
1820 Paper feeder 3 communica-
tion error
A communication error is
detected 10 times in succes-
sion.
Causes
Defective connec- Reinsert the connector. Also check for conti-
tor cable or poor nuity within the connector cable. If none,
contact in the con- replace the cable.
nector. BPF lift motor and BPF main PWB
Defective drive Check if the gears rotate smoothly. If not,
transmission sys- grease the bushes and gears. Check for
tem of the motor. broken gears and replace if any.
Defective BPF lift Replace the BPF lift motor.
motor.
Defective BPF Replace the BPF main PWB (Refer to the
main PWB. service manual for the paper feeder).
Improper installa- Follow installation instruction carefully again.
tion paper feeder.
Defective connec- Reinsert the connector. Also check for conti-
tor cable or poor nuity within the connector cable. If none,
contact in the con- replace the cable.
nector. PF main PWB (YC3) and engine PWB
(YC22)
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-22).
Defective PF main Replace the PF main PWB (Refer to the ser-
PWB. vice manual for the paper feeder).
Improper installa- Follow installation instruction carefully again.
tion paper feeder.
Defective connec- Reinsert the connector. Also check for conti-
tor cable or poor nuity within the connector cable. If none,
contact in the con- replace the cable.
nector. PF main PWB (YC3) and PF main PWB
(YC4)
Defective PF main Replace the PF main PWB (Refer to the ser-
PWB. vice manual for the paper feeder).
Improper installa- Follow installation instruction carefully again.
tion paper feeder.
Defective connec- Reinsert the connector. Also check for conti-
tor cable or poor nuity within the connector cable. If none,
contact in the con- replace the cable.
nector. PF main PWB (YC3) and PF main PWB
(YC4)
Defective PF main Replace the PF main PWB (Refer to the ser-
PWB. vice manual for the paper feeder).
1-4-12
2LV/2L1/2L2/2MS/2MT
Check procedures/
corrective measures