Make sure that you have selected the correct interface port and settings with your software. Also make sure the interface board in your computer is properly installed.
Make sure that the terminator and SCSI ID are correctly set up. See page
If you have other expansion boards in your computer, make sure that they are not interfering with the interrupt setting of the interface board for your scanner. (See your computer manual.)
The scanner software does not work properly.
Be sure you have correctly installed your software.
Make sure that your computer system meets the requirements, such as the operating system version, specified for your software.
Confirm that the computer has enough memory for your software. If your computer has many device drivers, or if you are running other software at the same time, or are using