2KZ/2K0
1-4-16
2300
Fuser motor steady-state
error
The rated speed signal
detected the stability OFF
continuously for 1 s after the
fuser motor stabilizes.
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 (YC4)
Defective drive
transmission sys-
tem.
Check if the rollers and gears rotate
smoothly. If not, grease the bushings and
gears. Check for broken gears and replace if
any.
Defective motor. Replace the Fuser motor.
Defective PWB. Replace the engine PWB and check for cor-
rect operation (see page 1-5-31).
2310 Fuser motor startup error
Fuser motor is not stabilized
within 2 s since the motor is
activated.
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 (YC3)
Defective drive
transmission sys-
tem.
Check if the rollers and gears rotate
smoothly. If not, grease the bushings and
gears. Check for broken gears and replace if
any.
Defective motor. Replace the fuser motor.
Defective PWB. Replace the engine PWB and check for cor-
rect operation (see page 1-5-31).
2550 Conveying motor steady-
state error
The rated speed signal
detected the stability OFF
continuously for 1 s after the
conveying motor stabilizes.
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.
Conveying motor and engine PWB (YC2)
Defective drive
transmission sys-
tem.
Check if the rollers and gears rotate
smoothly. If not, grease the bushings and
gears. Check for broken gears and replace if
any.
Defective motor. Replace the Conveying motor.
Defective PWB. Replace the engine PWB and check for cor-
rect operation (see page 1-5-31).
2560 Conveying motor startup
error
Conveying motor is not stabi-
lized within 2 s since the
motor is activated.
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.
Conveying motor and engine PWB (YC2)
Defective drive
transmission sys-
tem.
Check if the rollers and gears rotate
smoothly. If not, grease the bushings and
gears. Check for broken gears and replace if
any.
Defective motor. Replace the conveying motor.
Defective PWB. Replace the engine PWB and check for cor-
rect operation (see page 1-5-31).
Code Contents Causes
Check procedures/
corrective measures
Service Manual Y113010-4
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