Subject: Re: USB lpt and NOPRIME
To: Johnny C. Lam <lamj@stat.cmu.edu>
From: Ignatios Souvatzis <is@beverly.kleinbus.org>
List: tech-kern
Date: 02/08/2001 21:14:34
On Thu, Feb 08, 2001 at 12:07:10PM -0800, Jason R Thorpe wrote:
> On Thu, Feb 08, 2001 at 01:59:09PM -0500, Johnny C. Lam wrote:
>
> > In response to an inquiry about the USB printer code in CUPS, Michael
> > Sweet, the primary author of CUPS notes:
> >
> > The FreeBSD USB printer driver resets the USB printer on open,
> > unless you use the "unlptN" device. This reset prevents some
> > printers from receiving the first bytes of the print job, which
> > then causes lots of spew... :(
>
> Hm, I notice this with my Lexmark E310... Why do we reset the printer
> on open, anyway?
Same for the parallel port printer, btw... when a 2nd job is submitted while
the first is still printed, it is aborted, unless you use the appropriate
device.
-is