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Topic: Scanner calibration keeps failing

There are several possible reasons why calibration may fail. Refer to the list below for a solution.

1. The scanner calibration sheet is dirty or wrinkled.

Solution: Go to our "Download" page to download and print a new calibration sheet.

 

2. The USB cable is faulty or incorrect.

Solution: Use the USB 2.0 rated cable that came with the scanner; older USB 1.0 (lower speed) cables will not not work.

 

3. The scanner may need to be cleaned if dirt or residue stains the scanning glass after extended use.

Solution: Refer to our FAQ page on how to clean the scanner.

 

4. The scanner may be faulty.

Usually, if the scanner has been working on a computer for awhile and then suddenly stops working for no apparent reason, the most probable reason is that the scanner is faulty.

 

If you suspect that your scanner may be faulty,  try installing the scanner on a different computer. If the same problem persists, the scanner is likely faulty. Please call customer service for replacement options if you have a faulty scanner.

 

5. USB Port Incompatibility

When you install the scanner on a computer for the first time, sometimes calibration keeps failing even though the scanner drivers seem to be properly installed. This may be due to a USB port incompatibility between the scanner and the computer.

The best way to resolve a port incompatibility is to use an external USB hub. Plug the external hub into the USB port of your computer, and then plug the scanner into one of the ports on the external hub. For more information on resolving USB port incompatibility, refer to our FAQ article <USB Port Incompatibility>

 

Note: If the scanner was previously working on the computer and after some use has suddenly stopped working, it is likely that the scanner itself is faulty, and not a compatibility issue. Please contact customer service about repair/replacement options.