Kyocera TASKalfa 620 Service Manual page 179

Code
C2250 Cleaning motor error
• LOCK signal remains high for 1 s,
200 ms after the cleaning motor has
turned on.
C2300 Fuser motor error
• LOCK signal remains high for 1 s, 1 s
after the fuser motor has turned on.
C2550 Transfer motor error
• LOCK signal remains high for 1 s, 1 s
after the transfer motor has turned on.
C2640 Side feeder drive motor error
Contents
Causes Check procedures/corrective measures
Poor contact in the Check the connection of connector YC5 on
drive motor con- the engine PWB. Reinsert the connector.
nector terminals. Also check for continuity within the connec-
tor cable. If none, remedy or replace the
cable.
Defective cleaning Replace the cleaning motor.
motor rotation con-
trol circuit.
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 engine Replace the engine PWB.
PWB.
Poor contact in the Check the connection of connector YC2 and
fuser motor con- YC4 on the duplex PWB. Reinsert the con-
nector terminals. nector. Also check for continuity within the
connector cable. If none, remedy or replace
the cable.
Defective fuser Replace the fuser motor.
motor rotation con-
trol circuit.
Defective drive Check if the rollers and gears rotate smoothly.
transmission sys- If not, grease the bushings and gears. Check
tem. for broken gears and replace if any.
Defective duplex Replace the duplex PWB or the engine
PWB or engine PWB.
PWB.
Poor contact in the Check the connection of connector YC2 and
transfer motor con- YC3 on the cassette PWB and YC4 on the
nector terminals. engine PWB. Reinsert the connector. Also
check for continuity within the connector
cable. If none, remedy or replace the cable.
Defective transfer Replace the transfer motor.
motor rotation con-
trol circuit.
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 cassette Replace the cassette PWB or the engine
PWB or engine PWB.
PWB.
Overloaded side Verify that the side feeder motor or the paper
feeder drive motor feeding mechanism is not interrupted by any
objects.
Defective side Replace the side feeder drive motor.
feeder drive motor.
Defective side Replace the side feeder main PWB.
feeder main PWB.
Remarks
2KN/2KP
1-4-35