Kyocera TASKalfa 8002i

2WA/2NJ/2RK
7-77
(5-15) Vertical white streaks or band
Step Check description Assumed cause Measures Reference
1 Checking the developer
unit
Foreign objects are in the
developer unit.
Replace the developer unit
with faulty color.
Detaching
and Reat-
taching the
developer
unit
2 Checking the laser path There are foreign objects
on the laser path of the
LSU.
Remove foreign objects on
the frame or sealing material
between the developer unit
and the drum unit.
3 Checking the drum unit
and the developer unit
The drum surface is dirty
or has some scratches.
Execute the drum refresh. If
not repaired, replace the
drum unit.
Detaching
and Reat-
taching the
drum unit
4 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
5 Checking the main charger
unit
The main charger roller
surface is dirty or has
some scratches.
Clean the main charger roller
surface. Replace the main
charger roller unit if the issue
is not resolved.
Detaching
and reat-
taching the
main char-
ger roller
unit
6 Cleaning the eraser The eraser is dirty. Clean the eraser.