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RE: Virtual Printer Queue's



> 
> Hi Todd and List
> 
> As you previously intimated, yes I want to force print jobs 
> to output as described by the 'Virtual' Printer.
> 
> Virtual Printers will be advertised to users, for example a 
> user would send a print job to the virtual printer 'A3 Black 
> & White - Proof' It doesn't matter what settings the user 
> configured when printing the job the output would be a High 
> Dpi Black & White A3 print.
> 
> Virtual Printers are advertised by the Print Server and any 
> jobs sent are interpreted and outputted as specified by the 
> Virtual Printer, the Virtual Printer then builds the job and 
> submits it to the correct queue which spools it to the printer.
> 
> We also want to configure Virtual PDF Queues on the Same Box 
> so people can print Artwork as PDF for approval. We are a 
> Design Agency and Print an awful lot of documents on a daily 
> basis and I am trying to reduce the incidence of costly misprints.
> 
> Thanks again for any help given.
> 
> Sean

Hi Sean,

You may want to consult the CUPS list (at www.cups.org). This kind of
scenario comes up quite often, but is usually focused on doing this on
Linux/BSD/Solaris, etc and not OSX. However as OSX Print server is
basically CUPS with a few Apple add-ons am sure will be fine, although
expect to leave the Apple tools .

IIRC you just need to edit the ppd that CUPS uses to achieve this. When
setting up a printer in CUPS it doesn't use the (for example) HP
LaserJet 4650 PPD to print. It actually makes a copy of the appropriate
PPD (in this example the 4650 PPD), ammends it to suit the queue and
then uses the ammended version as a basis for printing. Obviously if you
just use the basic elements it uses the standard PPD (just a copy of
it), but special configs (like you are wanting) will edit the PPD to
suit.

For example on a HP4650 we use for certain invoice runs (admittedly this
is on Red Hat EL3) we have many specific printer queues. For instance
one queue is plain, whereas another forces duplex (the Linux app that
sends the data doesn't understand this), etc, etc. Common requests on
the CUPS list are force-duplex, force-simplex, b&w only, etc, etc.
Options that are not standard from within CUPS are included by creating
a print queue and then editing the appropriate queue specific PPD by
hand.

We also do the same again, but have an option to send these to PDF
versions of the same queue. Works well, although was a bit of an effort
to configure originally (lots and lots of testing).

Only caveat with all of this is the large no. of printer queues that it
creates, but...

HTH

Dan

--

Dan Hawker
IT Support & Network Manager
Animal

email@hidden

(http://www.animal.co.uk)

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