KV-S8147-M, KV-S8127-M, KV-S8150, KV-S8130, KV-S8120 - Panasonic Other Service Manuals Service Manual Supplement (repair manual). Page 15

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15
KV-S8147/KV-S8127/KV-S8150/KV-S8130/KV-S8120
4. Background Plate switching is not
working properly.
1. Execute "Focus" Test in Sec.10.3.7 to
check the peak level when Background
Color is White and Black.
2. Check the Background color in Image Cap-
ture Plus
(Refer to "11 Troubleshooting Appendix 2" )
Scanning position is 
shifted.
1. When reassembling CIS (F) or CIS (B)
or mechanical parts related to
conveying documents, Scanning
position adjustment is not done.
Execute "All position" and/or "Individual 
position"
 in Sec. 
10.3.8.
  to adjust the 
scanning position.
2. When replacing CONTROL Board,
the adjustment is not done.
The document skews or 
has a crease when 
scanning
1. Document  Guides on Hopper Tray  are
not set correctly.
Adjust the Document Guides correctly.
2. Rollers are dirty.
Clean the rollers.
3. Rollers are not attached to the default
position properly when assembling.
Reassemble the rollers properly.
4. Rollers have reached their life
expectancy.
Replace the rollers after inspecting them.
Scanned Image color 
tone Problems 
(ex: Right and left color 
tone are different  after 
Shading correction.)
1. During the shading correction, the
shading sheet  is set in portrait
orientation, not landscape.
Set the right shading sheet 
(Part No.: PJQXC0330Z-J) in landscape 
orientation and carry out the shading 
correction.
2. The right shading sheet is not used for
the shading correction.
Symptom
Possible Cause
Recommended action
Remarks
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