Kyocera TASKalfa 8002i

2WA/2NJ/2RK
7-590
(7) Toner falls over the paper conveying section
(Final phenomenon: Toner adheres on the paper leading edge)
2 Checking the power cord The power plug of the
power cord is faulty.
If the power plug is deformed
or faulty, replace the power
cord.
3 Checking the power cord The power cord is faulty. Check the continuity in the
power cord, and replace the
power cord if there is no con-
tinuity.
4 Checking the main power
switch
The main power switch is
faulty.
Check the continuity between
the contacts of the main
power switch, and replace
the main power switch if there
is no continuity.
5 Checking the LVU The LVU is faulty. Reconnect the connectors on
the LVU. If the wires are
pinched or have any damage,
fix or replace the wires. Then,
replace the LVU if the issue is
not resolved.
Detaching
and Reat-
taching the
LVU
6 Replacing the power
switch
The power switch is faulty. Check the power switch.
Replace it if there is no conti-
nuity.
7 Checking the engine PWB The engine PWB is 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
Step Check description Assumed cause Measures Reference
1 Checking the developer
and drum units
The developer unit or the
drum unit is dirty.
Clean the developer unit and
the drum unit.
2 Checking the toner collec-
tion box and the duct
The toner is clogged in the
toner collection box or the
duct.
Clean inside of the toner col-
lection box and the duct.
3 Checking the toner collec-
tion fan motor 1/2
The fan or filter of the toner
collection fan motor 1/2 are
dirty.
Clean the fan and the filter of
the toner collection fan motor
1/2. And, replace the filter if
necessary.
4 Executing Developer
refresh
The toner is deteriorated. Execute the developer
refresh twice.
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Step Check description Assumed cause Measures Reference