Usbprint Canondevicef144 | RELIABLE - 2027 |

Every USB-connected device relies on a unique descriptor string to tell Windows what it is. The string USBPRINT\CanonDeviceF144 breaks down into three distinct operational components:

: Confirm your printer is an imageCLASS MF4150 or MF4122 . If unsure, check the label on the back of the device or inside the front door. usbprint canondevicef144

Do not reconnect the printer yet.

The hardware identifier is a specific Windows Plug and Play (PnP) string generated when a compatible Canon imageCLASS or i-SENSYS laser printer is connected via a USB cable. This string acts as an explicit digital fingerprint used by the Microsoft USB Printer Driver (Usbprint.sys) to bridge physical hardware communications with the operating system. Every USB-connected device relies on a unique descriptor

If your computer identifies the device but cannot print, you likely need the specific drivers for the . Do not reconnect the printer yet

Service Mode is a hidden operational state on Canon printers that allows technicians to perform low-level maintenance, including resetting the printer’s EEPROM (Electrically Erasable Programmable Read-Only Memory), clearing error counters, and diagnosing hardware issues. Entering Service Mode requires a specific button sequence on the printer’s control panel.

To help find the exact software package, what is the retail printed on the front of your printer, and which Windows version are you running? Share public link