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.
You will likely see this identifier in two distinct situations:
⚠️
: Connect the printer directly to a USB port on your computer rather than using a USB hub or adapter, as these can cause recognition failures. usbprint canondevicef144
To fix the unmapped identifier and restore normal printing operations, follow these sequential troubleshooting phases. Phase 1: Disconnect and Purge Failed Drivers
Do not plug the printer into the computer yet. If the physical link is live before the proprietary files exist in the driver store, Windows will default to an "Unknown Device" state. Step 2: Extract the Official Installation Package
If your printer is not recognized, shows as "Unspecified," or shows an error in Device Manager, follow these steps to resolve the problem. 1. Reinstall/Update the Canon CAPT Driver The hardware identifier is a specific Windows Plug
Elias opened the Properties panel. The 'Device Status' box read the standard error message: The drivers for this device are not installed. (Code 28).
Right-click any entry displaying CanonDeviceF144 or displaying a yellow warning triangle, select , and check the box to delete the driver software. Step 2: Download the Official Canon Driver Package
It didn't have a friendly name. It didn't say "Canon Printer." It was raw, exposed hardware. To fix the unmapped identifier and restore normal
You plugged in the printer, Windows automatically detected the hardware, but it failed to download the full feature driver from Windows Update or the Canon website. The system falls back to the generic USBPRINT class, but cannot identify the specific model beyond the DEVICEF144 code.
SUBSYSTEM=="usb", ATTRSidVendor=="04a9", ATTRSidProduct=="f144", MODE="0664", GROUP="lp", SYMLINK+="canon_f144"
If the full installer fails, force-feed the driver:
: Do not plug in the USB cable until the software installer specifically prompts you to do so. Troubleshooting Connectivity Issues If the printer is not responding despite being plugged in: