User manual

40
TROUBLESHOOTING
Unable to scan the image.
If scanning is disabled, shut down your computer, turn off
the machine power switch, and unplug the machine
power cord. Then, restart your computer, restore power to
the machine, and try scanning again. If scanning is still
disabled, check the following items.
–
Your application is not TWAIN compliant.
→ If your application is not TWAIN compliant, you can not scan.
Make sure that your application is TWAIN compliant.
–
You have not selected the scanner driver of the machine
in your application.
→ Make sure that the machine's scanner driver is selected in your
TWAIN-compliant application.
–
You have not specified all the scanning preferences
appropriately.
→ Scanning a file with large area at high resolution results in a large
quantity of data and a prolonged scanning time. The scanning
preferences should be set appropriately for the type of original to
be scanned, i.e., Newspaper, Magazine, Catalogue.
–
There is not enough machine memory.
→ The scan resolution will vary depending on the scanning area and
how much memory in the machine is free.
–
Scanner transfer speed is slow.
Your computer does not meet the system requirements
for the USB 2.0 interface (Hi-Speed mode).
→ See "System requirements for USB 2.0 (Hi-Speed mode)" in
Chapter 1 to configure your system as required for USB 2.0, and
check if "Hi-Speed" is set.
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Problem Cause and solution Page No.