Software difficulties, Troubleshooting 48 – Brother DS-720D User Manual
Page 53
Troubleshooting
48
8
Software difficulties
White vertical lines or
white stripes appear
on the scanned image.
The scanner is under direct sunlight.
• Move the scanner out of direct sunlight.
A light source is near the scanner.
• Move the scanner far away from the light source.
Bleed-through is seen
in the scanned image.
Your document is too thin.
Check that your document is acceptable (see Doc-
ument Specifications on page 6).
The contrast setting is improper.
Increase the contrast level.
For Windows
®
: see Image settings on page 17.
For Macintosh: see Image settings on page 25.
(DS-720D only)
Duplex scanning can-
not be performed.
The duplex scanning settings are not
configured in DSmobileCapture.
Select the Duplex check box under the Image tab
in DSmobileCapture.
Difficulty
Cause
Suggestions
When I press Scan in
my scanning software,
an error message ap-
pears: Please install
scanner or The scan
was aborted because
the scanner is not
powered on or not
connected properly.
This error message appears if your
scanner isn’t recognized by your com-
puter.
1. Make sure your scanner is connected properly.
2. Confirm that the Micro USB Cable is working and
that it is not frayed or damaged in any way.
If the error still appears after verifying that the Micro
USB Cable is connected properly, reinstall the
scanner driver from the DVD-ROM.
I cannot install the
scanner drivers.
(Windows
®
)
You may not have been given adminis-
trator privileges.
Log into Windows
®
with administrator rights.
I cannot install the
scanner drivers.
(Macintosh)
You may not have been given adminis-
trator privileges.
From Apple menu, select System Preferences >
System > Users & Groups. The left pane of the
window will list the current accounts, one of which
should be your name with the word “Admin” under-
neath. If this is not the case, contact your system
administrator.
Difficulty
Cause
Suggestions
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