Dp-Scanning First (Front) Page; Dp-Scanning Second (Back) Page - Kyocera TASKalfa 6501i Service Manual

2. DP-scanning first (front) page

Defective part
Original document
1
Contact glass assy Check the location the contact
2
FFC cable CCD
3
Home position sen-
4
sor
Scanner wire drum Check that the scanner wire
5
Scanner drive gear Check that the scanner drive
6
CCD PWB
7
ISC PWB
8
Main PWB
9
3.

DP-scanning second (back) page

Defective part
Original document
1
White-reference
roller (Counter the
2
CIS)
White-reference
roller (Counter the
3
CIS)
DP_CIS unit
4
DP_SHD PWB
5
DP_CIS
6
Main PWB
7
Check description
Verify the sides of the original
document.
glass is mounted.
Check the FFC cable between
the CCD sensor and ISC PWB is
properly connected. Or, verify
conduction of the wire.
Check the location the home
position sensor is mounted.
drum is loosely mounted.
gear is loosely mounted.
The CCD PWB is defective.
The ISC PWB is defective.
The main PWB is defective.
Check description
Verify the sides of the original
document.
Check that the white-reference
roller is smoothly operative.
Check if the white reference
roller is contaminated on its sur-
face or damaged.
Check the location the CIS unit
is mounted.
Check the CIS and the SHD
PWB is properly connected.
CIS is defective.
The main PWB is defective.
If the sides of the original document are
reversed, place the original document properly.
Re-mount the contact glass if it is hanged off.
Reinsert the connector if its connection is
loose. Or, if conduction is lot, replace the wire.
Re-mount the home position sensor if it is
hanged off.
If the scanner wire drum is loosely mounted,
secure the screws.
If the scanner drive gear loosely mounted,
secure the screw.
Replace the ISU and perform U411.
(see page 1-3-152)
Replace the ISC PWB and perform U411.
(see page 1-3-152)
Replace the main PWB.(see page 1-5-74)
If the sides of the original document are
reversed, place the original document properly.
If the white-reference roller does not rotate
smoothly, re-install.
If the white-reference roller is dirty, clean. Or, if
the roller is damaged, replace.
Re-mount the CIS unit if it is hanged off.
Reinsert the connector if the PWB was loosely
inserted.If not cured, replace the PWB.
Replace the CIS and perform U091 and U411.
(see page 1-3-65,1-3-152)
Replace the main PWB.(see page 1-5-74)
1-4-163
Corrective Action
Corrective Action
2N8/2N7