Kyocera TASKalfa 350ci

1. The machine does not operate when the power switch is turned on.

Causes	Check procedures/corrective measures
1. No electricity at the power outlet.	Measure the input voltage.
2. The power cord is not plugged improperly.	Check the connection of the connectors.
3. Broken power cord.	Check for continuity. If none, replace the wire.
4. Defective power switch.	Checkcontinuity across the contacts. If none, replae the power switch.
5. Defective power source PWB.	Replace the power source PWB.
6. Defective Engine relay PWB.	Replace the engine relay PWB.
7. Defective Main/ Engine PWB.	Replace the Main/Engine PWB and check operation.

2. Image scanner motor does not rotate.

Causes	Check procedures/corrective measures
1. Defective connector cable or poor con- tact in the connector	Reconnect the connector if its connection is loose. Also check the continuity within the connector wire. If none, replace the wire. Image scanner motor and Main/Engine PWB (YC17)
2. Defective drive trans- mission system.	Check if the rollers and gears rotate smoothly. If not, clean or grease the bushes and gears. Check broken gears and replace if any.
3. Defective motor.	Replace the scanner motor.
4. Defective PWB.	Replace the Main/Engine PWB.

3. Duplex exit motor does not operate.

Causes	Check procedures/corrective measures
1. Defective connector cable or poor con- tact in the connector	Reconnect the connector if its connection is loose. Also check the continuity within the connector wire. If none, replace the wire. Duplex exit motor and Engine relay PWB (YC20) Engine relay PWB (YC1) and Main/Engine PWB (YC4)
2. Defective drive trans- mission system.	Check if the rollers and gears rotate smoothly. If not, clean or grease the bushes and gears. Check broken gears and replace if any.
3. Defective motor.	Reattach the duplex exit motor. Or replace.
4. Defective PWB.	Replace the engine relay PWB.
	Replace the Main/Engine PWB.