Kyocera KM-1820 Service Manual page 85

2GM
(1) No image appears
(entirely white).
Causes
1. No transfer charging.
A. The connector terminals of the high voltage
PWB make poor contact.
B. Defective engine PWB.
C. Defective high voltage PWB.
(2) No image appears
(entirely black).
Causes
1. No main charging.
A. Broken main charger wire.
B. Leaking main charger housing.
C. The connector terminals of the high voltage
PWB make poor contact.
D. Defective engine PWB.
E. Defective high voltage PWB.
2. Exposure lamp fails to light.
A. The connector terminals of the exposure
lamp make poor contact.
B. Defective CCD PWB.
C. Defective scanner PWB.
D. Defective engine PWB.
1-5-16
Causes
1. No transfer charging.
Reinsert the connector. Also check for continuity within the
connector cable. If none, remedy or replace the cable.
Replace the engine PWB and check for correct operation.
Replace the high voltage PWB and check for correct operation.
Causes
1. No main charging.
2. Exposure lamp fails to light.
Replace the process unit.
Replace the process unit.
Reinsert the connector. Also check for continuity within the
connector cable. If none, remedy or replace the cable.
Replace the engine PWB and check for correct operation.
Replace the high voltage PWB and check for correct operation.
Reinsert the connector. Also check for continuity within the
connector cable. If none, remedy or replace the cable.
Replace the CCD PWB and check for correct operation.
Replace the scanner PWB and check for correct operation.
Replace the engine PWB and check for correct operation.
Check procedures/corrective measures
Check procedures/corrective measures