Olivetti d-COLOR P2026, Руководство по обслуживанию, Страница: 86 / 207

(6) The background is colored.
Print example Causes
Defective color calibration.
Defective
developing
bias output.
Defective developing unit.
Defective high voltage
PWB.
Defective engine PWB.
Defective
drum sur-
face charg-
ing.
Defective drum unit.
Defective high voltage
PWB.
Defective engine PWB.
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).
(7) White streaks are printed vertically.
Print example Causes
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.
Check procedures/corrective measures
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.
(8) Black streaks are printed vertically.
Print example Causes
Dirty or flawed drum.
Deformed or worn cleaning
blade in the drum unit.
Worn primary transfer belt.
Defective transfer roller.
Check procedures/corrective measures
Perform the drum surface refreshing (see page 1-3-13).
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).
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