Kyocera FS-C8500DN - (5) The background is colored.; (6) A white line appears longitudinally.; (7) A line appears longitudinally.

2KA
1-4-57
(5) The background is colored.
(6) A white line appears longitudinally.
(7) A line appears longitudinally.
Copy example Causes Check procedures/corrective measures
Defective
develop-
ing bias
output.
Defective developing
unit.
Run maintenance mode U089 to output four-color bar PG,
check the output status of the four colors, and replace the
developing unit for any faulty color (see page 1-3-35 and
page 1-5-25).
Defective main high volt-
age PWB.
Replace the main high voltage PWB.
Defective high voltage
control PWB.
Replace the high voltage control PWB.
Defective engine PWB. Replace the engine PWB.
Defective color calibration. Perform color calibration (see page 1-3-113).
Copy example Causes Check procedures/corrective measures
Foreign matter in the developing unit. Run maintenance mode U089 to output four-color bar PG,
check the output status of the four colors, and replace the
developing unit for any faulty color (see page 1-3-35 and
page 1-5-25).
Dirty transfer belt. Clean the transfer belt. Replace the transfer belt unit if it is
extremely dirty (see page 1-5-28).
Dirty transfer roller. Clean the transfer roller. Replace the transfer roller if it is
extremely dirty (see page 1-5-29).
Dirty LSU slit glasses. Clean the LSU slit glasses.
Copy example Causes Check procedures/corrective measures
Dirty or flawed drum. Perform the drum refresh operation (see page 1-3-117).
If the drum is flawed, replace the drum unit (see page 1-5-
26).
Deformed or worn cleaning blade of
the drum unit.
Replace the drum unit (see page 1-5-26).
Worn transfer belt. Replace the transfer belt unit (see page 1-5-28).
Defective transfer roller. Replace the transfer roller (see page 1-5-29).