Olivetti d-COLOR P2026, Service Manual, Page: 87 / 207

(9) Streaks are printed horizontally.
Print example Causes
Dirty or flawed drum.
Dirty developing section.
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).
Clean any part contaminated with toner in the developing
section.
Poor contact of grounding ter- Check the installation of the drum unit. If it operates incor-
minal of drum unit. rectly, replace it (see page 1-5-20).
(10) Spots are printed.
Print example Causes
Dirty or flawed drum.
Deformed or worn cleaning
blade in the drum unit.
Flawed developing roller.
Dirty heat roller and press
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 developing unit (see page 1-5-18).
Clean the heat roller and press roller.
(11) The leading edge of image begins to print too early or too late.
Print example Causes
Paper feed clutch or registra-
tion clutch operating incor-
rectly.
Check procedures/corrective measures
Check the installation of the clutch. If it operates incor-
rectly, replace it.
(12) Paper is wrinkled.
Print example Causes
Paper curled.
Paper damp.
Check procedures/corrective measures
Check the paper storage conditions.
Check the paper storage conditions.
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