ulpt(4) - NetBSD Manual Pages

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ULPT(4)                 NetBSD Kernel Interfaces Manual                ULPT(4)


NAME
ulpt -- USB printer support
SYNOPSIS
ulpt* at uhub?
DESCRIPTION
The ulpt driver provides support for Universal Serial Bus (USB) printers that follow either the USB printer uni-directional or bi-directional pro- tocol. Additional bits OR-ed in the minor device number with the unit number select various features of the driver: Minor Bit Function 0x40 Do not initialize (reset) the device on the port. Some printers cannot handle the reset on open; in case of problems try the ulpn device.
FILES
/dev/ulpt? USB printer with reset on open /dev/ulpn? USB printer without reset on open
SEE ALSO
lpt(4), usb(4) USB Device Class Definition for Printing Devices, USB Implementors Forum, http://www.usb.org/developers/devclass_docs/usbprint11.pdf, January 2000.
HISTORY
The ulpt driver appeared in NetBSD 1.4. NetBSD 7.1.2 May 16, 2009 NetBSD 7.1.2
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