Kyocera Mita KM-4530 Service Manual page 178

(1) No image appears
(entirely white).
Causes
1. No transfer charging.
A. Broken transfer charger wire.
B. The connector terminals of the high voltage
transformer PCB make poor contact.
C. Defective engine PCB.
D. Defective high voltage transformer PCB.
(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
transformer PCB make poor contact.
D. Defective engine PCB.
E. Defective high voltage transformer PCB.
2. Exposure lamp fails to light.
A. The connector terminals of the exposure
lamp make poor contact.
B. Defective inverter PCB.
Causes
1. No transfer charging.
Replace the transfer charger wire.
Reinsert the connector. Also check for continuity within the
connector cable. If none, remedy or replace the cable.
Check if CN12-3 on the engine PCB goes low when maintenance
item U101 is run. If not, replace the engine PCB.
Check if transfer charging takes place when CN1-7 on the high
voltage transformer PCB goes low while maintenance item U101 is
run. If not, replace the high voltage transformer PCB.
Causes
1. No main charging.
2. Exposure lamp fails to light.
Replace the main charger wire.
Clean the main charger wire, grid and shield.
Reinsert the connector. Also check for continuity within the
connector cable. If none, remedy or replace the cable.
Check if CN12-12 on the engine PCB goes low when maintenance
item U100 is run. If not, replace the engine PCB.
Check if main charging takes place when CN1-12 on the high
voltage transformer PCB goes low while maintenance item U100 is
run. If not, replace the high voltage transformer PCB.
Reinsert the connector. Also check for continuity within the
connector cable. If none, remedy or replace the cable.
Check if the exposure lamp lights when CN1-5 and 1-6 on the
inverter PCB go low while maintenance item U061 is run. If not,
replace the inverter PCB.
Check procedures/corrective measures
Check procedures/corrective measures
2BC/D-1
1-5-33