The Background Is Colored; White Streaks Are Printed Vertically; Black Streaks Are Printed Vertically - Kyocera FS-C2026MFP Service Manual

(6) The background is colored.

Print example
Defective color calibration.
Defective
developing
bias output.
Defective
drum sur-
face charg-
ing.

(7) White streaks are printed vertically.

Print example
Foreign object in one of the
developing units.
Adhesion of soiling to transfer
belt.
Adhesion of soiling to transfer
roller.
Dirty LSU dust shield glass.

(8) Black streaks are printed vertically.

Print example
Dirty contact glass.
Dirty slit glass.
Dirty or flawed drum.
Deformed or worn cleaning
blade in the drum unit.
Worn primary transfer belt.
Defective transfer roller.
Causes
Defective developing unit.
Defective high voltage
PWB.
Defective engine PWB.
Defective drum unit.
Defective high voltage
PWB.
Defective engine PWB.
Causes
Replace the developing unit for the color that causes an
error (see page 1-5-18).
Clean the transfer belt. Replace the intermediate transfer
unit if it is extremely dirty (see page 1-5-21).
Clean the transfer roller. Replace the transfer roller if it is
extremely dirty (see page 1-5-24).
Perform the LSU dust shield glass cleaning.
Causes
Clean the contact glass.
Clean the slit glass.
Perform the drum surface refreshing (see page 1-3-67).
Flawed drum. Replace the drum unit (see page 1-5-20).
Replace the drum unit (see page 1-5-20).
Replace the intermediate transfer unit (see page 1-5-21).
Replace the transfer roller (see page 1-5-24).
Check procedures/corrective measures
Perform the color calibration (Refer to opera-
tion guide).
Replace the developing unit for the color that
causes an error (see page 1-5-18).
Replace the high voltage PWB
(see page 1-5-34).
Replace the engine PWB (see page 1-5-26).
Replace the drum unit (see page 1-5-20).
Replace the high voltage PWB
(see page 1-5-34).
Replace the engine PWB (see page 1-5-26).
Check procedures/corrective measures
Check procedures/corrective measures
1-4-31
2KW/2KX