Kyocera TASKalfa 8002i

2WA/2NJ/2RK
7-65
(5-2) Blank image
Step Check description Assumed cause Measures Reference
1 Checking the developer
bias contact
The developer bias contact
is dirty or deformed.
Clean the developer bias
contact, or correct its shape
so that it grounds securely.
2 Checking the developer
unit
The developer drive gear
is faulty.
Replace the developer unit. Detaching
and Reat-
taching the
developer
unit
3 Checking the wire The connector is not prop-
erly connected.
Reconnect the wires on the
main high-voltage PWB.
Wiring dia-
gram
4 Executing U140 The setting value of the
developer bias is improper.
Execute U140 and reset the
developer bias to the default
value.
Executing
U140
5 Checking the developer
motor
The developer motor does
not properly rotate, or the
drive components such as
the drive gears and the
couplings are faulty.
Reattach the developer motor
and reconnect the wire.
Then, replace the developer
motor if it is not fixed.
6 Replacing the high-volt-
age PWB
The high-voltage PWB is
faulty.
Replace the high-voltage
PWB.
Detaching
and Reat-
taching the
high-volt-
age PWB
7 Checking the FFC The FFC is not properly
connected, or it is faulty.
Reconnect the FFC to the
LSU. If the FFC is broken,
replace it.
8 Checking the LSU The APC PWB in the LSU
is faulty.
Replace the LSU. Detaching
and Reat-
taching the
LSU
9 Checking the engine PWB The connectors or the
FFCs on the engine PWB
are not properly con-
nected. Or the wires, FFCs
or the engine PWB are
faulty.
Reconnect the connectors on
the engine PWB. Then, fix or
replace the wires if they are
pinched by the other part or if
they have any damage.
When the issue is not
resolved after that, replace
the engine PWB.
Detaching
and Reat-
taching the
engine
PWB