Using PJL to set username for printer job

[Helge Blischke]

John A.  Murdie wrote:

> I thought I'd experiment with using PJL to display the username for the
> current job, since the "What's New" for CUPS 1.4 says:
> 
> 56. PJL support; the cupsPJLDisplay PPD attribute controls the PJL
> commands used to display the current user and job on the printer.
> 
> The only documentation I've found for this (it should be enough) is in the
> "CUPS PPD Extensions" document. Apparently, for a printer which supports
> PJL - I'm using a newish HP model (actually a CM6040) - needs to have
> "PJL" added to the PPD Protocols directive, and also cupsPJLDisplay PPD
> directive:
> 
> *Protocols: TBCP PJL
> *cupsPJLDisplay: "job"
> 
> I then create a new printer queue using this hand-edited PPD file and
> print something.
> 
> It doesn't seem to make any difference - though there is the matter of
> just where on the front panel LCD the job message (job_id, user, job title
> - from source: cups/emit.c line 519) is meant to appear! Nothing appears
> on the default display. There's nothing special under the device's 'Job
> Status' page, even under 'Details'. The user name is shown as 'Untitled'!
> I'll try another printer type sometime.
> 
> But pausing the queue shows me that the spool file hasn't had any PJL
> commands prepended to it. cupstestdsc(1) confirms my PostScript test file
> is DSC conforming, not that that should matter?
> 
> What I'd also like to happen is for the job's username to be set with
> e.g.:
> 
> @PJL SET USERNAME="charlie"
> 
> etc. I see that there's an RFE for that -
> http://www.cups.org/str.php?L3100 - I gather that neither '@PJL JOB NAME =
> ...' nor '@PJL RDYMSG DISPLAY = ...' is sufficient.

What is the Linux distro you are using? Might it be that your CUPS 
configuration uses the PS->PDF->whatever workflow without calling the pstops 
filter?

Helge