Ensure USB cables are securely plugged in or that the scanner is on a compatible 2.4 GHz Wi-Fi band (some models do not support 5 GHz).
is a communication error that occurs when your computer is unable to reach or establish a stable connection with the scanner. This issue is commonly seen on Canon imageCLASS models like the MF644Cdw , MF634Cdw , and MF743Cdw . canon scanner error code 255 0 0
If error 255, 0, 0 persists after reinstalling the driver and testing on a second computer (to rule out PC issues), the problem may be hardware-related: Ensure USB cables are securely plugged in or