Kyocera TASKalfa 8002i

2WA/2NJ/2RK
7-67
(5-4) Entire black image
Step Check description Assumed cause Measures Reference
1 Checking the drum unit
and the developer unit
The drum unit or the main
charger roller unit is not
properly installed.
Reattach the main charger
roller unit to the drum unit
and reinstall the drum unit
into the main unit to ensure
secure contact .
Detaching
and reat-
taching the
drum unit /
main char-
ger roller
unit
2 Checking the main charger
roller contact
The main charger roller
contact is dirty or
deformed.
Clean the main charger roller
contact and correct its shape
so it is grounded securely.
Detaching
and reat-
taching the
main char-
ger roller
unit
3 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.
4 Checking the high-voltage
contact
The high-voltage contact of
the high-voltage PWB is
dirty or deformed.
Clean the high-voltage con-
tact and correct its shape so
that it grounds securely. Or
reattach the high-voltage
PWB.
Detaching
and Reat-
taching the
high-volt-
age PWB
5 Checking the wire The connectors are not
properly connected, or the
high-voltage PWB is faulty.
Check the wire connection of
the high-voltage PWB. Clean
the terminals and insert the
connectors all the way. When
the wires are broken, short-
circuited or have a ground
fault, or the wire terminals are
peeled off, replace the wires.
Wiring dia-
gram
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 LSU replacement The APC PWB in the LSU
is faulty.
Replace the LSU. Detaching
and Reat-
taching the
LSU
8 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