Kyocera TASKalfa 8002i

2WA/2NJ/2RK
7-72
10 Checking the developer
bias
The developer bias is set
to low.
When the Mag DC value at
U140 is less than the upper
limit value, change U464
[Target Value] > [Thickness]
from the default value to the
value between 0 and +30.
Then, execute Calibration at
U464.
Executing
U464
11 Checking the drum unit
and the developer unit
The drum surface has con-
densation or is worn down.
Execute the drum refresh. If
not repaired, replace the
drum unit.
Detaching
and Reat-
taching the
drum unit
12 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
13 Checking the main charger
roller contact
The voltage applied to the
main charger roller con-
tact is too high.
Correct the main charger
roller contact so that it
grounds securely.
14 Cleaning the eraser The eraser is dirty. Clean the eraser.
15 Checking the eraser The eraser is faulty. Insert the unit all the way to
reconnect the connector. If
the issue is not resolved,
replace the drum unit.
Detaching
and Reat-
taching the
drum unit
16 Checking the wire The connector is not prop-
erly connected.
Clean the terminal of the fol-
lowing wire connectors and
reinsert the connectors.
Replace the wire when it has
no continuity.• Main high-volt-
age PWB - Engine PWB
Wiring dia-
gram
17 Replacing the main high-
voltage PWB
The main high-voltage
PWB is faulty.
Replace the main high-volt-
age PWB.
Detaching
and Reat-
taching the
main high-
voltage
PWB
18 Checking the LSU The LSU is dirty, or faulty. Check the wire / FFC connec-
tion and replace the LSU.
Detaching
and Reat-
taching the
LSU
Step Check description Assumed cause Measures Reference