Kyocera TASKalfa 7002i Service Manual page 874

Step Check description
13 Replacing the DPSHD
PWB
14 Replacing the DPCIS
15 Replacing the DP relay
PWB
16 Replacing the main PWB
When scanning the first (front) side through DP
Step Check description
1 Checking the slit glass
2 Checking the contact glass The contact glass or the
3 Checking the mirror
4 Checking the lamp unit
assy (mirror frame A, B).
5 Cleaning the CCD PWB
6 Executing U063
7 Checking the original
8 Checking the settings
9 Checking the original
cover
10 Executing U067
11 Executing U411
Assumed cause
The DPSHD PWB is faulty. Replace the DPSHD PWB.
The DPCIS is faulty.
The DP relay PWB is
faulty.
The main PWB is faulty.
Assumed cause
The slit glass is dirty.
shading plate at the back-
side of the contact glass is
dirty.
The mirror is dirty.
The dust is adhered on the
lamp unit assy (mirror
frame A, B).
Dust is on the CCD PWB.
The image scanning posi-
tion is incorrect.
The original is dirty.
Actual original size and
detected original size are
mismatched.
The original cover is dirty.
The center line settings are
incorrect. (The streaks or
bands appear out of the
original image.)
The leading edge timing is
incorrect. (Streaks or
bands appear out of the
original.)
7-14
Measures
Replace the DPCIS, and then
execute U091 and U411.
Replace the DP relay PWB.
Replace the main PWB.
Measures
Clean the slit glass and the
DP conveying guide.
Clean the contact glass and
the shading plate at the back-
side of the contact glass.
Clean the mirrors of the lamp
unit assy (mirror frame A, B).
Remove dust on the laser
path of the lamp unit assy
(mirror frame A, B).
Clean the CCD PWB using
an air-blower.
Execute U063 to change the
scanner shading position.
Replace the original.
Set the original paper size.
Clean the original cover.
Adjust U067 [Front].
Execute U411 [Table(Chart
A)].
2WA/2NJ/2RK
Reference
Detaching
and Reat-
taching the
DPCIS
Detaching
and Reat-
taching the
main PWB
Reference
Executing
U063
Executing
U067
Executing
U411