Place and your firmware file (e.g., firmware.hd ) in the same folder.
While it may appear as a mysterious console application with no graphical interface, its role is straightforward: it acts as a delivery vehicle for .hd or .fls firmware files. Primary Uses of USBPRNS2.EXE usbprns2.exe
for the printer to reboot automatically. Never turn off the printer during this process. Place and your firmware file (e