CUPS webface doesn't allow parallel port

Helge Blischke H.Blischke at srz-berlin.de
Tue Aug 24 04:31:55 PDT 2004


StevenFriedrich at InsightBB.com wrote:
> 
> Helge Blischke wrote:
> > StevenFriedrich at InsightBB.com wrote:
> > >
> > > I originally installed CUPS about a year ago.  It was version 1.1.18.  I have since upgraded to 1.1.20.
> > >
> > > I'm running FreeBSD 4.10-STABLE.
> > >
> > > When I installed 1.1.18, I noticed a quirk that I couldn't add a parallel printer unless it was turned on when the system booted.
> > >
> > > But under 1.1.20, it won't let me specify a parallel URI at all. On FreeBSD, /dev/lpt0 is the first parallel port (I also made a hard link to lp, to no avail).
> > >
> > > How is CUPS determining that a parallel port is a valid choice?
> > >
> > > I should mention that I hand edit printers.conf and my printer does work.
> >
> > If you just do
> >  $libdir/backend/parallel
> > (where $libdir is CUPS' lib directory, usually /usr/lib/cups),
> > what does it tell then?
> >
> > If it remains silent, it thinks there is no parallel interface. Try this
> > with
> > (at least one) parallel printer(s) on and all parallel printers off.
> >
> >
> > Helge
> >
> > --
> > H.Blischke at srz-berlin.de
> > H.Blischke at srz-berlin.com
> > H.Blischke at acm.org
> 
> Thanks for the response.
> 
> When my printer is on, I get:
> direct parallel:/dev/lpt0 "Unknown" "Parallel Port #1 (interrupt-driven)"
> 
> when it's off, it's silent.
> 
> I do turn on my printer before I boot my system.

So, then, whenever cupsd is started or re-reads the configuration files,
your parallel
printer(s) msut be on, as cupsd calls all available backends with no
parameters just
to get a list of the available devices.

Helge

-- 
H.Blischke at srz-berlin.de
H.Blischke at srz-berlin.com
H.Blischke at acm.org




More information about the cups mailing list