Kyocera TASKalfa 8002i

2WA/2NJ/2RK
7-38
(3-9) Vertical white streaks or band
Step Check description Assumed cause Measures Reference
1 Checking the original The original is dirty. Replace the original.
2 Checking the mirror The mirror is dirty. Clean the mirrors of the lamp
unit assy (mirror frame A, B).
3 Checking the lamp unit
assy (mirror frame A, B).
The dust is adhered on the
lamp unit assy (mirror
frame A, B).
Remove dust on the laser
path of the lamp unit assy
(mirror frame A, B).
4 Checking the lens cover The lens cover is off. Reattach the lens cover. Detaching
and Reat-
taching the
lens unit
5 Checking the shading
plate
The shading plate at the
backside of the contact
glass is dirty.
Execute U063 to change the
scanner shading position.
Executing
U063
6 Replacing the ISU The CCD PWB is faulty. Replace the ISU. Detaching
and Reat-
taching the
ISU
7 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
8 Replacing the main PWB The main PWB is faulty. Replace the main PWB. Detaching
and Reat-
taching the
main PWB