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Brother DS-820W DS-920DW ユーザーズマニュアル

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Troubleshooting 
70
12
Colors in the scanned 
image are dark.
The settings are not appropriate for the 
type of document being scanned.
Adjust the scanning settings.
For Windows
®
For Macintosh: see Image settings on page 36.
Calibration needs to be performed.
Perform the calibration.
• To perform the calibration using the control pan-
• For Windows
®
: to perform the calibration using 
• For Macintosh: to perform the calibration using 
OCR feature does not 
work.
The scanner resolution is too low.
Increase the scanner resolution.
For Windows
®
: use PaperPort™ 12SE to increase 
the resolution.
For Macintosh: use Presto! PageManager 9 to in-
crease the resolution.
(Windows
®
 users)
Nuance PaperPort™ 12SE has not 
been installed on your computer.
Make sure you have installed Nuance PaperPort™ 
12SE from the supplied DVD-ROM.
(Macintosh users)
Presto! PageManager has not been in-
stalled on your computer.
Make sure you have installed Presto! PageMan-
ager from the supplied DVD-ROM.
The scanned image is 
skewed (slanted).
The scanner’s Document Guide are not 
adjusted to fit the width of the docu-
ment.
Adjust the Document Guide to fit the width of the 
document. 
White vertical lines or 
white stripes appear 
on the scanned image.
The scanner is under direct sunlight.
• Move the scanner indoors or to a place without 
sunlight to avoid the direct sunlight.
• Change the scanner’s direction.
A light source is near the scanner.
• Move the scanner far away from the light source.
• Change the scanner’s direction.
Difficulty
Cause
Suggestions
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