Panasonic KV-SS905C Operating Instructions Manual page 56

Troubleshooting
Symptom
Double feeding problems
occurs frequently or
scanner stops loading while
scanning.
A paper jam
frequently.
Scanned image is aslant.
The scanned document is
blank.
Vertical lines appear on the
scanned document.
The scanning density
uneven.
The color of the scanned
document is extremely
different from the original
document.
Dark spots or noise appear
on the scanned documents.
Scanned image has moire
fringes such as stripe or
wavy pattern noise.
56
Possible Cause
The rollers are dirty.
The rollers have reached their life
expectancy.
the The document is curled or folded.
The irregular type document is to be
scanned.
The document has a length of less
than 70 mm (2.75 in.).
occurs The ADF/manual feed selector is not
set in the correct position.
The document guides are not adjusted
to the size of the document to be
scanned.
The document to be scanned is set
aslant on the hopper tray.
Right and left sides of the document to
be scanned are not the same in height,
because of curl and fold.
The document to be scanned was
loaded face down (upside down).
The image sensor covers are dirty.
is
The image sensor covers are dirty.
The settings of the computer monitor is
wrong.
The image sensor covers are dirty.
It is caused by printing pattern of the
document and the congeniality of the
scanning resolution.
Remedy
Clean all of the rollers. (See
Replace the paper feed roller module
and the retard roller module and the
retard pad module. (See
page 49.)
Flatten the document and load it again
after reducing the pages.
Make a copy of the document on
specified paper (see
scan the copy.
Make a copy of the document on paper
of the specified size and scan the copy.
(See page 28.)
Set the ADF/manual feed selector
correctly. (See page 32.)
Adjust the document guides properly to
the size of the document to be
scanned.
Remove curl and fold then reduce the
amount of the document.
Load the document correctly.
(See page 30.)
Clean the image sensor covers (F and
B). (See page 42.)
Clean the image sensor covers (F and
B). (See page 42.)
Adjust the computer monitor settings.
Clean the image sensor covers. (See
page 42.)
Please use the moire
function or change the resolution and
try to scan.
page 38.)
page 43 to
page 28) and
reduction