2T6/2T7/2T8/2T9-1
1-4-12
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.
When detecting an overcur-
rent detection signal.
Defective connec-
tor cable or poor
contact in the con-
nector.
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
replace the cable.
BPF lift motor and BPF main PWB (YC4)
Defective drive
transmission sys-
tem of the motor.
Check if the gears rotate smoothly. If not,
grease the bushes and gears. Check for
broken gears and replace if any.
Defective BPF lift
motor.
Replace the BPF lift motor.
Defective BPF
main PWB.
Replace the BPF main PWB (Refer to the
service manual for the paper feeder).
1800 Paper feeder 1 communica-
tion error
A communication error is
detected 10 times in succes-
sion.
Improper installa-
tion paper feeder.
Follow installation instruction carefully again.
Defective connec-
tor cable or poor
contact in the con-
nector.
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
replace the cable.
PF main PWB (YC3) and engine PWB
(YC22)
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation (see page 1-5-22).
Defective PF main
PWB.
Replace the PF main PWB (Refer to the ser-
vice manual for the paper feeder).
1810 Paper feeder 2 communica-
tion error
A communication error is
detected 10 times in succes-
sion.
Improper installa-
tion paper feeder.
Follow installation instruction carefully again.
Defective connec-
tor cable or poor
contact in the con-
nector.
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
replace the cable.
PF main PWB (YC3) and engine PWB
(YC22)
Defective PF main
PWB.
Replace the PF main PWB (Refer to the ser-
vice manual for the paper feeder).
1820 Paper feeder 3 communica-
tion error
A communication error is
detected 10 times in succes-
sion.
Improper installa-
tion paper feeder.
Follow installation instruction carefully again.
Defective connec-
tor cable or poor
contact in the con-
nector.
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
replace the cable.
PF main PWB (YC3) and engine PWB
(YC22)
Defective PF main
PWB.
Replace the PF main PWB (Refer to the ser-
vice manual for the paper feeder).
Code Contents Causes
Check procedures/
corrective measures