2PS/2PT
1-4-32
(6) The background is colored.
(7) White streaks are printed vertically.
(8) Black streaks are printed vertically.
Print example Causes Check procedures/corrective measures
Defective color calibration. Perform the color calibration (Refer to opera-
tion guide).
Defective
developing
bias output.
Defective developing unit. Replace the developing unit for the color that
causes an error (see page 1-5-18).
Defective high voltage
PWB.
Replace the high voltage PWB
(see page 1-5-34).
Defective engine PWB. Replace the engine PWB (see page 1-5-26).
Defective
drum sur-
face charg-
ing.
Defective drum unit. Replace the drum unit (see page 1-5-20).
Defective high voltage
PWB.
Replace the high voltage PWB
(see page 1-5-34).
Defective engine PWB. Replace the engine PWB (see page 1-5-26).
Print example Causes Check procedures/corrective measures
Foreign object in one of the
developing units.
Replace the developing unit for the color that causes an
error (see page 1-5-18).
Adhesion of soiling to transfer
belt.
Clean the transfer belt. Replace the intermediate transfer
unit if it is extremely dirty (see page 1-5-21).
Adhesion of soiling to transfer
roller.
Clean the transfer roller. Replace the transfer roller if it is
extremely dirty (see page 1-5-24).
Dirty LSU dust shield glass. Perform the LSU dust shield glass cleaning.
Print example Causes Check procedures/corrective measures
Dirty or flawed drum. Perform the drum surface refreshing (see page 1-3-13).
Flawed drum. Replace the drum unit (see page 1-5-20).
Deformed or worn cleaning
blade in the drum unit.
Replace the drum unit (see page 1-5-20).
Worn primary transfer belt. Replace the intermediate transfer unit (see page 1-5-21).
Defective transfer roller. Replace the transfer roller (see page 1-5-24).