Windows 8.1 doesn't completely approve my printer

[Fisherman]

My Windows 8.1 (64) doesn't recognise my HP Designjet 111 as a printer - it is listed as undefined in Devices and printers. However when I check with regedit it is under USBPRINT not USB. What am I missing?

[HappyAndyK]

From the Devices Manager, uninstall the Printer driver. Restart your computer, connect to the Inernet and then plugin your Printer. Scan for Hardware changes and let Windows install the driver for your printer.

If it does not help, run the built-in Hardware Troubleshooter and see if it helps.

[HappyAndyK]

From the Devices Manager, uninstall the Printer driver. Restart your computer, connect to the Inernet and then plugin your Printer. Scan for Hardware changes and let Windows install the driver for your printer.

If it does not help, run the built-in Hardware Troubleshooter and see if it helps.

[Lewis-H]

If your PC is not able to detect it over your USB connection, restart your printer, computer, as well as verify the USB connection. After turning off your computer and printer, disconnect the cable from your PC. Check for any damage on it; if the USB cable is damaged, then replace it. ... Then, turn on your printer.