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Re: 4 printer limit to cups printers is a debian limit, why?




On Mon 12 Feb 2018 at 15:52:15 -0500, Gene Heskett wrote:

> On Monday 12 February 2018 14:09:49 Brian wrote:
> 
> > On Mon 12 Feb 2018 at 13:50:31 -0500, Gene Heskett wrote:
> > > Greetings all;
> > >
> > > I have 2 physical printers, a bottom of the line B&W laser that
> > > manages to do utility print jobs at 19 ppm, and a huge ink squirter
> > > with more bells and whistles than you can shake a stick at.
> > >
> > > To do all of the job profiles this Brother MFC-J6920DW is capable
> > > of, because among the various paper sizes it can handle is
> > > borderless tabloid, aka 11x17. Its scanner can also handle that size
> > > when the doc feeder is lifted and its laid directly on the glass,
> > > but that is not germain to this problem.
> > >
> > > Do adequately describe the various jobs it can do, by selecting
> > > the "printer" to send this job to, would need at least 8, individual
> > > profiles setup in the cups menu's at localhost:631/printers.
> > >
> > > I have discussed this with Micheal Sweet, whom I've known longer
> > > than linux has existed, and he assures me there is no such limit in
> > > cups, never has been. Ever.
> > >
> > > So where is this limit, so that I can raise it to a dozen or so, and
> > > get on with what I want to do?
> >
> > I assure you there is no limit of four print queues enforced  on
> > Debian. Never has been. Ever.
> 
> There is one someplace. I just read thru everything in /etc/cups* without 
> finding a hint.  Then I read thru all the brother install scripts, again 
> coming up blank. That was a 3 hour slog right there.

Let's be very clear about this: there is no "someplace". As delivered
to you, the Debian printing system allows a user to set up as many print
queues as he wants. There is no deviation from upstream in any of the
packages in this regard.

> I wonder if I can change its name, like from MFC-J69220DW to MFC-J6920DX  
> (or Z)but forcibly use the same driver? Got to be some way to get around 
> this. Time for a better mousetrap perhaps?

Different queues have different names. It is not possible to have more
than one queue with the same name. Different queues can have a device
URI and PPD in common, however.

-- 
Brian.