Kyocera TASKalfa 2551ci Service Manual page 335

Code Contents
2550 Conveying motor 1 steady-
state error
The rated speed signal
detected the stability OFF
continuously for 1 s after the
conveying motor 1 stabilizes.
2560 Conveying motor 1 startup
error
Conveying motor 1 is not sta-
bilized within 2 s since the
motor is activated.
2600 PF drive motor error
(paper feeder)
When the PF drive motor is
driven, error signal is detected
continuously for 1 s.
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. Conveying motor 1 and engine PWB (YC25)
Defective drive Check if the rollers and gears rotate
transmission sys- smoothly. If not, grease the bushings and
tem. gears. Check for broken gears and replace if
any.
Defective motor. Replace the Conveying motor 1.
Defective PWB.
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. Conveying motor 1 and engine PWB (YC25)
Defective drive Check if the rollers and gears rotate
transmission sys- smoothly. If not, grease the bushings and
tem. gears. Check for broken gears and replace if
any.
Defective motor. Replace the conveying motor 1.
Defective PWB.
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 drive motor and PF main PWB
Defective drive Check if the rollers and gears rotate
transmission sys- smoothly. If not, grease the bushes and
tem. gears. Check for broken gears and replace if
any.
Defective motor. Replace the PF drive motor.
Defective PWB. Replace the PF main PWB (Refer to the ser-
vice manual for the paper feeder).
1-4-28
Check procedures/
corrective measures
1. Check the engine software and upgrade
to the latest, if necessary.
2. Replace the engine PWB and check for
correct operation (see page 1-5-39).
1. Check the engine software and upgrade
to the latest, if necessary.
2. Replace the engine PWB and check for
correct operation (see page 1-5-39).
2NP-5