Kyocera TASKalfa 6501i - Page 532

2N8/2N7
1-4-172
3. DP-scanning second (back) page
Defective part Check description Corrective Action
1
Original document 1. Check if the background
density of the original
document is too dense.
2. Check if the original
document is floated during
scanning.
1. If the background density of the original
document is too dense, perform automatic
background adjustment.Or, adjust density
with background adjustment.
2. Adjust the location the CIS unit is mounted.
2
Adjustment of the
scanner
Check the automatic adjustment
of the scanner.
Perform maintenance mode U411, DP
FaceUp(Chart1)_All.
(see page 1-3-152)
3
White-reference
roller (Counter the
CIS)
Check that the white-reference
roller is smoothly operative.
If the white-reference roller does not rotate
smoothly, re-install.
4
White-reference
roller (Counter the
CIS)
Check if the white reference
roller is contaminated on its sur-
face or damaged.
If the white-reference roller is dirty, clean. Or, if
the roller is damaged, replace.
5
DP_CIS unit Check the location the CIS unit
is mounted.
Re-mount the CIS unit if it is hanged off.
6
DP_SHD PWB Check the CIS and the SHD
PWB is properly connected.
Reinsert the connector if the PWB was loosely
inserted.If not cured, replace the PWB.
7
DP_CIS CIS is defective. Replace the CIS and perform U091 and U411.
(see page 1-3-65,1-3-152)
8
Main PWB The main PWB is defective. Replace the main PWB.(see page 1-5-74)