ULPT(4)                FreeBSD Kernel Interfaces Manual                ULPT(4)

NAME
     ulpt - USB printer support

SYNOPSIS
     To compile this driver into the kernel, place the following line in your
     kernel configuration file:

           device ulpt

     Alternatively, to load the driver as a module at boot time, place the
     following line in loader.conf(5):

           ulpt_load="YES"

DESCRIPTION
     The ulpt driver provides support for USB printers that follow the printer
     bi- or uni-directional protocol.  The bits in the minor number select
     various features of the driver.

           Minor Bit    Function
           64           Do not initialize (reset) the device on the port.

     Some printers cannot handle the reset on open; in case of problems try
     the unlpt device.

HARDWARE
     The ulpt driver provides support for USB printers and parallel printer
     conversion cables, including the following:

     •   ATen parallel printer adapter
     •   Belkin F5U002 parallel printer adapter
     •   Canon BJ F850, S600
     •   Canon LBP-1310, 350
     •   Entrega USB-to-parallel printer adapter
     •   Hewlett-Packard HP Deskjet 3420 (P/N: C8947A #ABJ)
     •   Oki Data MICROLINE ML660PS
     •   Seiko Epson PM-900C, 880C, 820C, 730C

FILES
     /dev/ulpt?       device with reset
     /dev/unlpt?      device without reset

SEE ALSO
     lpt(4), usb(4)

HISTORY
     The ulpt driver appeared in NetBSD 1.4.  This manual page was adopted
     from NetBSD by Tom Rhodes <trhodes@FreeBSD.org> in April 2002.

FreeBSD 13.1-RELEASE-p6        November 22, 2006       FreeBSD 13.1-RELEASE-p6