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Eng
Kyocera TASKalfa 1800
Troubleshooting. Electric problems 1
1. The machine does not operate when the main 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 in properly. |
Check the contact between the power plug and the outlet. |
3. Broken power cord. |
Check for continuity. If none, replace the cord. |
4. Defective main power switch. |
Check for continuity across the contacts. If none, replace the main power switch. |
5. Defective power source PWB. |
Replace the power source PWB |
6. Defective main/ engine PWB. |
Replace the main/engine PWB and check for correct operation |
2. Scanner motor does not operate.
Causes |
Check procedures/corrective measures |
1. Defective connector cable or poor contact in the connector. |
Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable.
Scanner motor and main/engine PWB (YC1) |
2. Defective drive transmission system. |
Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any. |
3. Defective motor. |
Replace the scanner motor. |
4. Defective PWB. |
Replace the main/engine PWB and check for correct operation |
3. Duplex motor does not operate
Causes |
Check procedures/corrective measures |
1. Defective connector cable or poor contact in the connector. |
Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Duplex motor and main/engine PWB (YC2) |
2. Defective drive transmission system. |
Check if the rollers and gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any. |
3. Defective motor. |
Replace the duplex motor. |
4. Defective PWB. |
Replace the main/engine PWB and check for correct operation |
4. Toner motor does not operate.
Causes |
Check procedures/corrective measures |
1. Defective connector cable or poor contact in the connector |
Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Toner motor and main/engine PWB (YC12) |
2. Defective motor. |
Replace the toner motor. |
3. Defective PWB. |
Replace the main/engine PWB and check for correct operation |