[cups.general] Re: Showing job on printer display

[Helge Blischke]

Michael Sweet wrote:
> Helge Blischke wrote:
> 
>> Michael Sweet wrote:
>>
>>> Paul Ortman wrote:
>>>
>>>> -----BEGIN PGP SIGNED MESSAGE-----
>>>> Hash: SHA1
>>>>
>>>> Michael Sweet wrote:
>>>>
>>>>> Ramiro Alba wrote:
>>>>>
>>>>>> Hello Everybody:
>>>>>>
>>>>>> I have been using lprng for long and now I am migrating to CUPS. It
>>>>>> is fantastic, but I would like to know how to show on printer display
>>>>>> the job (user an document) that it is currently printing. This is
>>>>>> what I 'lprng' does and it is quite usefull.
>>>>>
>>>>>
>>>>> This should already happen for most PostScript printers; for non-PS
>>>>> printers you need to have a driver that supports the necessary
>>>>> commands (the CUPS DDK's rastertopclx driver supports them, for
>>>>> example...)
>>>>
>>>>
>>>>
>>>> Forgive my ignorance, but do you mean that when I send a print job to
>>>> (for instance) my HP Laserjet 4250 using the HP Laserjet 4250 PS ppd
>>>> that on LCD of the printer should be displayed the username of the job
>>>> submitter?  It currently does not do this -- instead it just says
>>>> "Printing from Tray 2" or similar.  I've hacked around some of this by
>>>> using Pykota's pre and post job hooks to call out to a little 
>>>> executable
>>>> that changes the LCD.  If I could get away from that little executable
>>>> I'd be quite pleased.
>>>>
>>>> So, I'm wondering, is there some configuration in either the PPD, CUPS,
>>>> or on the printer itself that needs to be set to get this working?
>>>
>>>
>>>
>>> As long as the PPD says that the printer supports PJL, then CUPS
>>> will output the necessary PJL to set the display; in CUPS 1.2, we
>>> actually set both the RDYMSG and job display string, which seems to
>>> work on all of the HP printers in our lab (that have an LCD, that
>>> is...)  CUPS 1.1.x just set the job display string, which *should*
>>> work for the 4250...
>>>
>>
>> ... but HP printers - at least if used via a JetDirect card - tend to 
>> keep the job display
>> string only as long as they are receiving the job's data or (with some 
>> models) interpreting
>> the PostScript program. As soon as the bitmaps for all pages are 
>> competed, the display string
>> usually reverts to something like "PRINTING FROM TRAY 2" or similar.
> 
> 
> On my LJ 4000 the message stays, even while printing, unless some
> user intervention is needed (Tray 1 Manual Feed, etc.)
> 

Maybe it is different with our printers as we select the media via the /MediaType
attribute ?

Helge

-- 
Helge Blischke
Softwareentwicklung
SRZ Berlin | Firmengruppe besscom
http://www.srz.de