Kyocera TASKalfa 8002i

2WA/2NJ/2RK
7-76
(5-14) Vertical uneven density
Step Check description Assumed cause Measures Reference
1 LSU replacement LSU emits the laser
unevenly. (Inner mirror
comes off.)
Replace the LSU. Detaching
and Reat-
taching the
LSU
2 Executing Drum refresh The drum surface has con-
densation.
Execute Drum refresh.
3 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
4 Checking the main charger
unit
The main charge roller sur-
face is dirty in the shape of
a streak.
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
5 Drum unit replacement The drum surface is worn
down.
Replace the drum unit. Detaching
and Reat-
taching the
drum unit
6 Checking the developer
unit
The toner layer on the
developer roller is uneven.
Execute the developer
refresh. If not repaired,
replace the developer unit.