Kyocera PF-740 Service Manual page 58

Code Contents
1040 PF lift motor 2 error
After cassette 4 is inserted,
PF lift sensor 2 does not turn
on within 23 s. This error is
detected 2 times successively.
During driving the motor, the
lift overcurrent protective
monitor signal is detected for
200 ms or more 4 times suc-
cessively. However, the first 1
s after PF lift motor 2 is turned
on is excluded from detection.
1060 PF lift motor 1 error
After cassette 6 is inserted,
PF lift sensor 1 does not turn
on within 23 s. This error is
detected 2 times successively.
During driving the motor, the
lift overcurrent protective
monitor signal is detected for
200 ms or more 4 times suc-
cessively. However, the first 1
s after PF lift motor 1 is turned
on is excluded from detection.
1070 PF lift motor 2 error
After cassette 4 is inserted,
PF lift sensor 2 does not turn
on within 23 s. This error is
detected 2 times successively.
During driving the motor, the
lift overcurrent protective
monitor signal is detected for
200 ms or more 4 times suc-
cessively. However, the first 1
s after PF lift motor 2 is turned
on is excluded from detection.
1800 Paper feeder communica-
tion error
A communication error from
paper feeder is detected 10
times in succession.
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. PF lift motor 2 and PF main PWB (YC7)
Defective drive Check if the gears rotate smoothly. If not,
transmission sys- grease the bushes and gears. Check for
tem of motor. broken gears and replace if any.
Defective PF lift Replace the PF lift motor 2.
motor 2.
Defective PF main Replace the PF main PWB and check for
PWB. correct operation (see page 1-5-9).
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 lift motor 1 and PF main PWB (YC7)
Defective drive Check if the gears rotate smoothly. If not,
transmission sys- grease the bushes and gears. Check for
tem of motor. broken gears and replace if any.
Defective PF lift Replace the PF lift motor 1.
motor 1.
Defective PF main Replace the PF main PWB and check for
PWB. correct operation (see page 1-5-9).
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 lift motor 2 and PF main PWB (YC7)
Defective drive Check if the gears rotate smoothly. If not,
transmission sys- grease the bushes and gears. Check for
tem of motor. broken gears and replace if any.
Defective PF lift Replace the PF lift motor 2.
motor 2.
Defective PF main Replace the PF main PWB and check for
PWB. correct operation (see page 1-5-9).
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 (YC13) and engine PWB
(YC19)
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation.
Defective PF main Replace the PF main PWB and check for
PWB. correct operation (see page 1-5-9).
1-4-6
Check procedures/
corrective measures
3NF