Sharp AR-M162 Operation Manual page 124

Problem
The brightness and contrast settings are not suitable.
→ If you are scanning with a TWAIN-compliant application and the
[Quick Scan] has been selected. (With the dual function
board installed)
Poor scanning → If scanning is performed when [Quick Scan] has been selected in the
quality.
The original is not placed face up in the SPF or face down
on the document glass.
→ Place the original face up in the SPF or face down on the document
The original was not placed in the correct position.
→ Place the original correctly.
If scanning is not possible, shut down your computer,
turn off the machine's power switch, and unplug the
machine's power cord. Next, start your computer, restore
power to the machine, and try scanning again. If scanning
is still not possible, check the following items.
Your application is not TWAIN/WIA compliant.
→ If your application is not TWAIN/WIA compliant, scanning will not be
You have not selected the scanner driver of the machine
Unable to scan the
in your application.
image.
→ Make sure that the machine's scanner driver is selected in your
You have not specified all scanning preferences appropriately.
→ Scanning a large area at high resolution results in a large quantity of
"DISABLE USB SCAN" has been enabled in the key
operator programs.
→ Consult the key operator.
Make sure that your computer meets the system
Scanner transfer
requirements for the USB 2.0 interface (Hi-Speed mode).
speed is slow
→ Make sure that your computer meets the system requirements
when the dual
function board is
installed.
Cause and solution
resulting image has unsuitable brightness or contrast (for example it
is too bright), click the [Auto Brightness/Contrast Adjustment] button
on the [Color] tab of the "Custom Settings (or Professional)" screen.
You can also click the [Brightness/Contrast] button to adjust the
brightness and the contrast while viewing the scanned output image
on the screen. If you are scanning with a WIA-compliant application
or the "Scanner and Camera Wizard", click [Adjust the quality of the
scanned picture] or the [Custom settings] button and adjust the
brightness and contrast.
[Preference] tab of the "Custom Settings (or Professional)" of the
TWAIN driver, image quality may be degraded. This is because the
scanned data is transferred using JPEG compression. If image
quality is poor, then perform scanning again without selecting the
[Quick Scan] option. (By default [Quick Scan] is not selected.)
glass.
possible. Make sure your application is TWAIN/WIA compliant.
TWAIN/WIA-compliant application.
data and a prolonged scanning time. When selecting the scan
preferences, lower the resolution or specify a suitable scanning area.
described in "System requirements for USB 2.0 (Hi-Speed mode)" in
the "Key operator's guide", and then set "USB2.0 MODE" to
"HI-SPEED" in the key operator programs.
TROUBLESHOOTING
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18
Operation manual
(for general
information and
copier)
Operation manual
(for general
information and
copier)
5
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–
16
17
26
Key operator's
guide
31