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Re: Using more than one driver for a laser printer?

On Wed, Nov 03, 2004 at 02:12:22PM +0000, Adam Funk wrote:
> On Wednesday 03 November 2004 12:50, Frank Gevaerts wrote:
> > On Tue, Nov 02, 2004 at 09:15:57PM +0000, Adam Funk wrote:
> >> So I'd like to know if there is any easy way to switch between them,
> >> just for local printing.  I'm considering adding a second printer
> >> to /etc/printcap with the same device (/dev/lp0) and other
> >> specifications but a different driver, so I can use the lpr -P option
> >> as necessary.  Is this idea good, bad or ugly?
> > 
> > It is what I would do, and also what apsfilter does.
> > 
> >> Should I use the same
> >> spool directory (subdirectory of /var/spool/lpd/)?
> > 
> > Some lpr daemons complain if you do that.
> So it's OK to have two printers in /etc/printcap pointing to the same
> device node, but it's better to give them separate spools?  
> The printing daemon (I'm using cupsys-bsd to provide lpr and related
> commands) will send only one job at a time from either spool to the
> same device, right?

AFAIK yes, but maybe you'd better try it. While I have used such a
setup, I never try to print much at the same time, so I may never have
been in that case.


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"Debugging is twice as hard as writing the code in the first place.
Therefore, if you write the code as cleverly as possible, you are,
by definition, not smart enough to debug it." - Brian W. Kernighan

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