Troubleshooting 77 – Brother DS-820W User Manual
Page 85
Troubleshooting
77
13
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
®
: see Image settings on page 29.
For Macintosh: see Image settings on page 37.
Calibration needs to be performed.
Perform the calibration.
• To perform the calibration using the control pan-
el, see Calibration using the control panel on
page 65.
• For Windows
®
: to perform the calibration using
software, see Calibration using software (for
Windows
• For Macintosh: to perform the calibration using
software, see Calibration using software (for
Macintosh) on page 69.
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
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
KL
KL
L
LM
MN
MN
MN
OPQRSTUVW
OP
QRSTUV
U
W
W
W
W
WX
KL
KL
L
LM
MN
MN
MN
OPQRSTUVW
OP
QRSTUV
U
W
W
W
W
WX
KL
KL
L
LM
MN
MN
MN
OPQRSTUVW
OP
QRSTUV
U
W
W
W
W
WX
KL
KL
L
LM
MN
MN
MN
OPQRSTUVW
OP
QRSTUV
U
W
W
W
W
WX
ef
f
fg
g
ghijklmnop
ghijklmno
hijklmn
ijk
qrst
qrs
r
t
u
u
u
ef
f
fg
g
ghijklmnop
ghijklmno
hijklmn
ijk
qrst
qrs
r
t
u
u
u
ef
f
fg
g
ghijklmnop
ghijklmno
hijklmn
ijk
qrst
qrs
r
t
u
u
u
ef
f
fg
g
ghijklmnop
ghijklmno
hijklmn
ijk
qrst
qrs
r
t
u
u
u