FreeBSD manual
download PDF document: ulpt.4.pdf
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:
o ATen parallel printer adapter
o Belkin F5U002 parallel printer adapter
o Canon BJ F850, S600
o Canon LBP-1310, 350
o Entrega USB-to-parallel printer adapter
o Hewlett-Packard HP Deskjet 3420 (P/N: C8947A #ABJ)
o Oki Data MICROLINE ML660PS
o 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 14.0-RELEASE-p11 November 22, 2006 FreeBSD 14.0-RELEASE-p11