Kyocera TASKalfa 8002i

2WA/2NJ/2RK
7-70
(5-7) Horizontal uneven density
Step Check description Assumed cause Measures Reference
1 Checking the main charger
unit
The main charge roller
rotates irregularly.
Reattach the main charger
roller unit.
Detaching
and reat-
taching the
main char-
ger roller
unit
2 Main charger roller unit
replacement
The charger cleaning roller
is deformed.
Replace the main charger
roller unit.
Detaching
and reat-
taching the
main char-
ger roller
unit
3 Checking the developer
unit
The DS pulleys are dirty. Clean the DS pulleys at both
ends of the developer unit.
4 Developer unit replace-
ment
The DS pulleys are faulty. Replace the developer unit. Detaching
and Reat-
taching the
developer
unit
5 Checking the developer
bias contact
The conduction is not sta-
bilized due to the dirty
developer bias contact.
Clean the developer bias
contact.
6 Checking the developer
unit
The developer powder in
the developer unit is deteri-
orated.
Execute the developer
refresh. If not repaired,
replace the developer unit.
7 Executing Drum refresh Toner smudges in the
shape of a streak are on
both ends of the drum sur-
face.
Execute Drum refresh.
8 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
9 Drum unit replacement The drum surface is worn
down.
Replace the drum unit. Detaching
and Reat-
taching the
drum unit
10 LSU replacement The laser emission is
uneven.
Replace the LSU. Detaching
and Reat-
taching the
LSU