1.\" $NetBSD: ulpt.4,v 1.12 2011/09/20 18:58:40 jym Exp $ 2.\" 3.\" Copyright (c) 1999 The NetBSD Foundation, Inc. 4.\" All rights reserved. 5.\" 6.\" This code is derived from software contributed to The NetBSD Foundation 7.\" by Lennart Augustsson. 8.\" 9.\" Redistribution and use in source and binary forms, with or without 10.\" modification, are permitted provided that the following conditions 11.\" are met: 12.\" 1. Redistributions of source code must retain the above copyright 13.\" notice, this list of conditions and the following disclaimer. 14.\" 2. Redistributions in binary form must reproduce the above copyright 15.\" notice, this list of conditions and the following disclaimer in the 16.\" documentation and/or other materials provided with the distribution. 17.\" 18.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 19.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 20.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 22.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28.\" POSSIBILITY OF SUCH DAMAGE. 29.\" 30.Dd May 16, 2009 31.Dt ULPT 4 32.Os 33.Sh NAME 34.Nm ulpt 35.Nd USB printer support 36.Sh SYNOPSIS 37.Cd "ulpt* at uhub?" 38.Sh DESCRIPTION 39The 40.Nm 41driver provides support for Universal Serial Bus 42.Pq Tn USB 43printers that follow either the 44.Tn USB 45printer uni-directional or bi-directional protocol. 46.Pp 47Additional bits OR-ed in the minor device number with the unit number 48select various features of the driver: 49.Pp 50.Bl -column "Minor Bit" "Functionxxxxxxxxxxxxxxxxxxxxxxxxxxxx" -offset indent 51.It Sy "Minor Bit" Ta Sy Function 52.It 0x40 Ta \&Do not initialize (reset) the device on the port. 53.El 54.Pp 55Some printers cannot handle the reset on open; in case of problems try the 56.Pa ulpn 57device. 58.Sh FILES 59.Bl -tag -width xxxxxxxxxx 60.It Pa /dev/ulpt? 61.Tn USB 62printer with reset on open 63.It Pa /dev/ulpn? 64.Tn USB 65printer without reset on open 66.El 67.Sh SEE ALSO 68.Xr lpt 4 , 69.Xr usb 4 70.Rs 71.%T USB Device Class Definition for Printing Devices 72.%I USB Implementors Forum 73.%D January 2000 74.%U http://www.usb.org/developers/devclass_docs/usbprint11.pdf 75.Re 76.Sh HISTORY 77The 78.Nm 79driver 80appeared in 81.Nx 1.4 . 82