Cups 1.3.7 and Sieko SLP450 Label Printers

[Helge Blischke]

Scott Hallenbeck wrote:

> I am tasked with the getting these SLP450 label printers working with CUPS
> 1.3.7.  We have 2 other cups servers (v 1.1.22rc1) we are phasing out, and
> they both print to the label printers without any issues.  It hasn't
> always been this way, and there was a large amount of time spent by
> another technician, who is no longer here, getting it to work, but
> unfortunately was never documented.
> 
> The default siislp450.ppd is identical on all the servers, and the printer
> specific ppd's are also the same, as well as the configurations in these
> printer specific ppd's.
> 
> I have turned on debug2 on all the servers and ran the same job through
> all 3 server, originating from the same place and printing the same thing.
>  In the logs, a few lines before I see "Printing page 1, 0% complete..."
> and so on, I see a similar line on all 3 servers, with the newest being
> different.
> 
> Server 1 - running cups 1.1.2rc1
> [Job 15] S3: gDotsPerLine 576.000000, cupsHeight 568, margInInMM 0
> [(Negative will be 0)
> 
> Server 2 - running cups 1.1.2rc1
> [Job 7273716] S3: gDotsPerLine 576.000000, cupsHeight 568, margInInMM 0
> [(Negative will be 0)
> 
> and server 3, the newest running v 1.3.7:
> [Job 520042] S3: gDotsPerLine 576.000000, cupsHeight 3300, margInInMM -115
> [(Negative will be 0)
> 
> This stood out to me as being an obvious deviation.  The first 2 print the
> label correctly, while the 3 one just pushes through an empty label.
> 
> I have attempted to change *LandscapeOrientation in the specific printer
> ppd file from Any to Plus90 and Minus90 in hopes this would help, but
> seemed to make no difference.
> 
> I even attempted to command line print with options
> -o orientation-requested=3 (4,5,6)
> to see if this would fix the issue, and still blanks.
> 
> When I do a 'print test page' from the cups GUI it prints a perfect little
> test page on the label.
> 
> The labels being sent are in PDF format, and I know the test page is in a
> plain text format, so this leads me to believe there is some sort of
> filtering missing or something, but I am really at a loss where to go from
> here.
> 
> Anyone have any suggestions?
> 
> Thanks!
> Scott

Please tell how your label printer has been configured with CUPS, and, for a 
test print, set the log level to debug, do a test print, and post (an URL 
to) both the PPD used and the portion of the error_log file that contains 
the messages related to the test job.

Helge