Utax P-C2160DN, Service Manual

Page: 72 / 211

2PS/2PT
1-4-18
2740 Developing release motor
time-out error
When the developing release
motor is driven, the develop-
ing release switch (DEVRSW)
is not detectable for 1 s.
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.
Developing release motor and engine PWB
(YC35)
Defective drive
transmission sys-
tem of the develop-
ing release motor. Check if the rollers and gears rotate
smoothly. If not, grease the bushes and
gears. Check for broken gears and replace if
any.
Defective develop-
ing release motor. Replace the developing release motor.
Defective engine
PWB. Replace the engine PWB and check for cor-
rect operation (see page 1-5-26).
2820 Fuser motor error
The fuser motor ready input is
not given for 5 s during the
fuser motor is ON.
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.
Fuser motor and engine PWB (YC15)
Defective drive
transmission sys-
tem of the fuser
motor. Check if the rollers and gears rotate
smoothly. If not, grease the bushes and
gears. Check for broken gears and replace if
any.
Defective fuser
motor. Replace the fuser motor.
Defective engine
PWB. Replace the engine PWB and check for cor-
rect operation (see page 1-5-26).
4001 Polygon motor KM error
The polygon motor KM ready
input is not given for 10 s dur-
ing the polygon motor is ON.
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.
Laser scanner unit KM and engine PWB
(YC31)
Defective polygon
motor KM. Replace the laser scanner unit KM (see
page 1-5-43).
Defective engine
PWB. Replace the engine PWB and check for cor-
rect operation (see page 1-5-26).
4002 Polygon motor CY error
The polygon motor CY ready
input is not given for 10 s dur-
ing the polygon motor is ON.
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.
Laser scanner unit CY and engine PWB
(YC31)
Defective polygon
motor CY. Replace the laser scanner unit CY (see
page 1-5-43).
Defective engine
PWB. Replace the engine PWB and check for cor-
rect operation (see page 1-5-26).
Code Contents Causes
Check procedures/
corrective measures