Kyocera TASKalfa 8002i

2WA/2NJ/2RK
7-75
(5-13) Vertical black streaks or band
Step Check description Assumed cause Measures Reference
1 Executing Drum refresh The drum surface is dirty. Execute Drum refresh.
2 Setting the cassette heater The image forming section
is affected by humidity.
[Cassette heater standard
model]Connect the cassette
heater and set U327 if neces-
sary.[Cassette heater
optional model]Install the
cassette heater and set U327
if necessary.
Installing
the cas-
sette
heater
3 Drum unit replacement The drum surface is worn
down.
Replace the drum unit. Detaching
and Reat-
taching the
drum unit
4 Checking the main charger
unit
The main charge roller sur-
face is dirty in the shape of
a streak.
Clean the main charge roller
surface.
Detaching
and reat-
taching the
main char-
ger roller
unit
5 Main charger roller unit
replacement
The main charge roller sur-
face is deteriorated in the
streak shape.
Replace the main charger
roller unit.
Detaching
and reat-
taching the
main char-
ger roller
unit
6 Checking the developer
unit
Foreign objects are on the
developer roller surface.
Clean the developer roller.
Or, replace the developer unit
if not repaired after cleaning.
Detaching
and Reat-
taching the
developer
unit