Locate the lock switch on the bottom of the scanner. Toggle it back and forth several times and leave it in the unlocked position.

This is a specific error code often associated with Canon or Pixma series scanners (including all-in-one printers).

To resolve the Canon scanner error 2 156 33, try the following step-by-step troubleshooting solutions:

Check the Canon website for firmware updates for your scanner model. Follow the instructions to download and install the latest firmware. This may resolve issues related to outdated or corrupted firmware.

Canon scanner error 2, 156, 33 typically indicates a USB communication failure between your computer and the scanner

Canon Scanner Error 2 156 33 Jun 2026

Locate the lock switch on the bottom of the scanner. Toggle it back and forth several times and leave it in the unlocked position.

This is a specific error code often associated with Canon or Pixma series scanners (including all-in-one printers). canon scanner error 2 156 33

To resolve the Canon scanner error 2 156 33, try the following step-by-step troubleshooting solutions: Locate the lock switch on the bottom of the scanner

Canon scanner error 2, 156, 33 typically indicates a USB communication failure between your computer and the scanner

Canon Scanner Error 2 156 33 Jun 2026

Where to Buy