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From: Hans Petter Selasky <hselasky@c2i.net>
To: freebsd-current@freebsd.org
Date: Fri, 3 Jul 2009 17:58:34 +0200
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Cc: Patrick Lamaiziere <patfbsd@davenulle.org>
Subject: Re: ulpt problem (USB_ERR_IOERROR)
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On Friday 03 July 2009 17:26:00 Patrick Lamaiziere wrote:
> Hello,
>
> [Yesterday CURRENT/i386]
>
> I've got some troubles with unlpt, most of the time I can't print and I
> must stop cupsd, kill -9 the process usb, and unplug the USB printer.
> Then it works again for some time (but mostly one time).
>
> The printer is a Brother HL-1430 (working fine under FreeBSD since
> FreeBSD 4.X)
>

Did you try both:

/dev/unlpt0 and /dev/ulpt0

?

--HPS