Scan Image Quality Problems - Fuji Xerox DocuCentre S2420 User Manual

Scan Image Quality Problems

This table below lists possible solutions to problems with the image quality of scan data.
Symptom
The scanned
image is dirty.
The image is too
dark or too light.
There are missing
parts in the
image.
The image is not
the desired size.
The image is not
in color.
The image is
grainy.
Possible Cause
The document cover or
document glass is dirty.
The document is a
transparency or highly
translucent medium.
The document is on colored or
rough paper, or is a blueprint.
The scanned document is
printed on glossy printing
paper.
The scan density is not
properly adjusted.
The Original Type is
unsuitable.
The document has been cut-
and-pasted, or is creased.
The document cover or
document glass is dirty.
The document is a
transparency or highly
translucent medium.
The document has shifted out
of position.
The document feeder's
document guides are
misaligned.
The document is creased.
[Color Mode] is set to [Black &
White].
A low resolution is set.
Remedy
Clean the document cover or document glass.
Refer to "Cleaning the Document Cover and the
Document Glass" (P.231).
When scanning highly translucent
documents, dirt on the document cover
shows up in the output. Place a sheet of white
paper over the document before scanning.
Adjust the scan density or image quality
before scanning.
Glossy printing paper easily sticks to the
document glass, and shadows can resemble
dirt in the scan. Place a transparency or
transparent film under the document before
scanning.
Adjust the scan density.
Select the proper Original Type for the
document.
Cut-and-pasted or creased parts of the
document may not be making proper contact
with the document glass. Place a stack of
white paper on top of the document to bring
it into proper contact with the document
glass.
Clean the document cover or document glass.
Refer to "Cleaning the Document Cover and the
Document Glass" (P.231).
Place a sheet of white paper over the
document before scanning.
Place the document correctly.
Refer to "Placing Document" (P.142).
Place the document correctly, moving the
document guides into contact with the edges
of the document.
Refer to "Placing Document" (P.142).
Smooth out the document and place it again
correctly.
Refer to "Placing Document" (P.142).
Select [Color].
Set a higher resolution.
Refer to "Placing Document" (P.142).
Scan Problems
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