Kyocera FS-6020 - Page 64

FS-6020
1-5-20
(2) No image appears.
(entirely black)
Causes
1. No main charger output.
2. Defective video data creation.
Causes Check procedures/corrective measures
1. No main charger output.
A. Broken main charger wire.
B. Main charger shield leakage.
C. Contact failure of main charger output
terminals on the engine/high voltage PWB.
D. Defective engine/high voltage PWB.
2. Defective video data creation.
Replace the main charger unit.
Clean the main charger wire, grid and shield.
Check the contact of the main charger output terminals. If any
problem is found, repair the relevant component.
Replace the engine/high voltage PWB. (See page 1-6-26.)
Replace the main PWB. (See page 1-6-25.)
(1) No image appears.
(entirely white)
Causes
1. No transfer bias output.
2. No laser output.
3. No developing bias output.
Causes Check procedures/corrective measures
1. No transfer bias output.
A. Contact failure of transfer bias output
terminals on the engine/high voltage PWB.
B. Defective main PWB.
C. Defective engine/high voltage PWB.
2. No laser output.
A. Defective laser scanner unit.
B. Defective engine/high voltage PWB.
C. Defective main PWB.
3. No developing bias output.
A. Defective main PWB.
B. Defective engine/high voltage PWB.
Check the contact of the transfer bias output terminals. If any
problem is found, repair the relevant component.
Replace the main PWB. (See page 1-6-25.)
Replace the engine/high voltage PWB. (See page 1-6-26.)
Replace the laser scanner unit. (See page 1-6-15.)
Replace the engine/high voltage PWB. (See page 1-6-26.)
Replace the main PWB. (See page 1-6-25.)
Replace the main PWB. (See page 1-6-25.)
Replace the engine/high voltage PWB. (See page 1-6-26.)