Kyocera ECOSYS P4035dn Service Manual page 82

Code Contents
7000 Toner motor error
During driving the toner motor,
an over-current detection sig-
nal is detected at intervals of
10 ms as for 300 accumula-
tion.
7100 Toner sensor error
Sensor output value of 930 or
more continuously for 5 s.
7400 Developer unit non-install-
ing error
Sensor output value of 31 or
less continuously for 5 s.
7410 Drum unit type mismatch
error
The drum PWB EEPROM
does not communicate
normally.
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. Toner motor and drum PWB (YC4)
Drum PWB and relay-L PWB (YC3)
Relay-L PWB and engine PWB (YC2)
Defective toner Replace the toner motor.
motor.
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-40).
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. Toner sensor and drum PWB (YC3)
Drum PWB and relay-L PWB (YC3)
Relay-L PWB and engine PWB (YC2)
Defective toner Replace the developer unit.
sensor. (See Page 1-5-14)
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-40).
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. Developer unit and drum PWB (YC3)
Drum PWB and relay-L PWB (YC3)
Relay-L PWB and engine PWB (YC2)
Defective toner Replace the developer unit.
sensor. (See Page 1-5-14)
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-40).
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. Drum unit and drum connect PWB (YC1)
Drum connect PWB and relay-L PWB (YC3)
Relay-L PWB and engine PWB (YC2)
Defective toner Replace the drum unit.
sensor. (See Page 1-5-14)
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-40).
1-4-19
2P7/2R0/3PN
Check procedures/
corrective measures