Kyocera TASKalfa 300i Service Manual page 186

2K5
Problem
(5)
The developing fan
motor, fuser fan
motor, eject fan
motor or paper con-
veying fan motor 1/2
does not operate.
(6)
The controller fan
motor or operation
fan motor does not
operate.
(7)
The paper feed
clutch 1/2, feed
clutch 1/2/3, MP
paper feed clutch,
MP feed clutch, reg-
istration clutch,
duplex feed clutch or
toner feed clutch
does not operate.
(8)
The feedshift sole-
noid does not oper-
ate.
1-4-42
Causes
1. Poor contact in the con-
nector terminals.
2. Broken motor coil.
3. Defective motor.
4. Defective engine PWB.
1. Poor contact in the con-
nector terminals.
2. Broken motor coil.
1. Broken clutch coil.
2. Poor contact in the con-
nector terminals.
3. Defective engine PWB.
1. Broken solenoid coil.
2. Poor contact in the con-
nector terminals.
3. Defective engine PWB.
Check procedures/corrective measures
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
Check for continuity across the coil. If none, replace the motor.
Run maintenance item U037 and check if the motor operates
when the following terminals on the PWB goes low. If not, replace
the corresponding motor.
Developing fan motor: YC2-6 on the engine PWB
Fuser fan motor: YC13-2 on the engine PWB
Eject fan motor: YC37-2 on the engine PWB
Paper conveying fan motor 1: YC8-B16 on the engine PWB
Paper conveying fan motor 2: YC8-B18 on the engine PWB
Run maintenance item U037 and check if following terminals on
the PWB goes low. If not, replace the engine PWB.
Developing fan motor: YC2-6 on the engine PWB
Fuser fan motor: YC13-2 on the engine PWB
Eject fan motor: YC37-2 on the engine PWB
Paper conveying fan motor 1: YC8-B16 on the engine PWB
Paper conveying fan motor 2: YC8-B18 on the engine PWB
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
Check for continuity across the coil. If none, replace the motor.
Check for continuity across the coil. If none, replace the clutch.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
Run maintenance item U032 and check if following terminals on
the engine PWB goes low. If not, replace the engine PWB.
Paper feed clutch 1: YC8-A13 on the engine PWB
Paper feed clutch 2: YC8-A15 on the engine PWB
Feed clutch 1: YC8-B8 on the engine PWB
Feed clutch 2: YC8-A12 on the engine PWB
Feed clutch 3: YC8-A5 on the engine PWB
MP paper feed clutch: YC7-9 on the engine PWB
MP feed clutch: YC7-11 on the engine PWB
Registration clutch: YC8-B15 on the engine PWB
Duplex feed clutch: YC8-B9 on the engine PWB
Toner feed clutch: YC8-A17 on the engine PWB
Check for continuity across the coil. If none, replace the solenoid.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
Run maintenance item U033 and check if the solenoid operates. If
not, replace the engine PWB.