What Happens if You Get a TWAIN Error?

Tech Support Tip: TWAIN Error

"Help! I'm trying to scan a document, but I keep getting a TWAIN error."
IBM i, Windows
June 27, 2016

Back again with another commonly-asked question of our Technical Support Team.

“I’m trying to scan a document, but I keep getting a TWAIN error.”

Issues with the TWAIN driver indicate that the computer isn’t recognizing the scanner driver, and Scan Workstation is reporting a problem. However, TWAIN driver errors are not caused by the Scan Workstation.

A TWAIN driver is software that handles communication between a PC and a scanner.

Updates or reboots to the scanner could be the reason the scanner is no longer recognizing the TWAIN driver. To fix this problem, you should try the following:

  • Try rebooting the scanner, or unplug the scanner from the workstation and plug it back in.
  • Open the TWAIN driver you installed with your scanner and check the scanner settings.
  • Upgrade your TWAIN driver from the manufacturer’s website.
  • Check whether other programs on your PC can scan.
  • Uninstall and reinstall the scanner software.

If none of these remedy the TWAIN error, contact the scanner’s manufacturer for device-specific fixes.


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