Classes and Priorities

[Timetrinus]

> Timetrinus wrote:
>
> > Hello!
> >
> > We are creating postscript files that are transferred to 3g / gprs
> > connected laptops in the field via lpd. For doing this every laptop has a
> > so called "Mobile" printqueue. This Printqueue defaults to a cups-pdf
> > backend. But in case the user connects a usb printer the printjob has to
> > be printed out there instead of creating a PDF.
> >
> > I thought about cups classes for automatically handling this behaviour. So
> > I would create a class Mobile and put in a PDF-Printer and if user
> > connects a USB Printer add it to this class. But: is it possible to
> > configure the class to use PDF-Printer only if no other printer is
> > configured in the queue? Disabeling the PDF-Printer in case the User
> > connects a USB Printer is not a good Idea because from local Applications
> > (for example openoffice, or browser) the user should be able to create PDF
> > output every time.
> >
> > Thanks in advance!
>
> As for current CUPS, you need to set up sort of a "store and forward"
> printer which uses a backend script that forwards the job to the real
> printer if it is connected but otherwise to the pdf-printer.
> The details of such a configuration depend on the properties of the possible
> real printers.
>
> Helge
>

Helge, thank you for reply.

Can you please point me to the documentation for such a solution? What do you mean with "... the properties of the possible real printers." ?

Thank you!