

Unhide Driver updates > check mark the box next to driver updates and click Download and install.Click Check for Updates > download and install updates, if available.In the Windows search bar, type Windows Update.Let’s move to the following method if this doesn’t help with no issues. Now attach the removable USB device, and see if the printer should be working fine.Restart the computer, and let the USB controllers get reinstalled.Right-click each driver and select Uninstall driver to remove them one at a time.Go to Universal Serial Bus controllers category > double-click on it to expand and find the Universal Serial Bus controllers node.

Open Device Manager by right-clicking the Start button > select Device Manager from the context menu.Method 2 – Uninstall and Reinstall USB controllers Driver. If it doesn’t, no worries, there are other fixes. Once that is done, try using the Canon printer it should work. Therefore, if the printer suddenly stops working, try changing the serial port. Many times it so happens that the working serial port suddenly stops working. Method 1 – Try Connecting Printer to Alternate Serial Port Follow them one by one to find the one that works for you. There are different methods to fix the printer not recognized error. How To Fix Canon LBP 2900B Printer Not Recognized Error?
