3 Document Quality
Wide Format Copy System User Guide
45
Scanning strategies
When scanning documents, always try the default
Image Quality
settings first. Select the
documents type: line, photo, mixed or color
and use the
Original,
Type
,
Normal
,
Line
,
Photo
or
Color
default settings for that type.
Color
is a Scan-to-Net feature and only available in SCAN
mode. These settings have been designed to give the optimum image quality for most
documents.
If you have a special original type, you may want to try some of the advanced image processing
features available on the Scan System. Table 1 describes the scanning strategies for special
original types.
Table 1. Scanning Strategies for Special Documents
Type of original
First step to try
Second step to try
Third step to try
Color photograph
Set Original Type to
Photo
Mode
Scan: Set Original
Type to
Color
.
Set Original Type to
Normal
and
Background
Suppression to
Off
.
Color lithograph
Mode
COPY: Set Original
Type to
Normal.
Mode
SCAN: Set Original
Type to
Color
.
Set Original Type to
Normal
and Background
Suppression to
Off.
Set Original Type to
Photo.
Color map
Mode
COPY: Set Original
Type to
Normal.
Mode
SCAN: Set Original
Type to
Color
.
Set Original Type to
Normal
and Background
Suppression to
Off
.
Set Original Type to
Photo.
Old blueprint or sepia
with dark background
Set Original Type to
Line
and Background
Suppression to
Auto.
Transform, Invert to
ON
Set Original Type to
Line,
Background Suppression
to
dark original,
Transform, Invert to
ON
.
Adjust the
Copy
contrast as required
for best image
quality.
Old blueprint or sepia
with dark background
and side-to-side
fading
Set Original Type to
Line
and Background
Suppression to
Auto
.
If fade is still visible in the
copy, rotate the original
90 degrees. Generally,
feeding the darkest edge
first provides the best
results.
Adjust the
Copy
contrast as required
for best image
quality.
Faded line/text
drawing
Set Original Type to
Line,
Background Suppression to
Auto.
If fade is still visible in the
copy, rotate the original
90 degrees.
Adjust the
Copy
contrast as required
for best image
quality.
In reduction, use
Reduction Line
Preservation.
Line, photo or mixed
original on film, clear
film, vellum/tracing or
other translucent
media
Set
Background
Suppression
to (light) and
Normal
. Select
Photo
for
photo and select
Line
for
line drawing. Use
Normal
for mixed documents.
Set
Background
Suppression
to
OFF
.
