How I get a USB printer working in 6.3? I have an HP 1300 I’d like to use.
First step, you must start the “Class driver” for printers. This will installed the device in /dev/usbpar0 so other applications can communicate with the printer.
io-usb -duhci (or -dohci) ;the USB stack
devu-prn ;if the printer is ON, you should see /dev/usbpar0
Now, you can copy an ASCII file in /dev/usbpar0 to see if the printer works.
This is explained very well in the Neutrino doc (Connecting hardware).
Finally you need the driver for your particular HP printer. That, I don’t know if Neutrino has one.