Cups 1.3.7 and Sieko SLP450 Label Printers

Scott Hallenbeck 7h33y3 at gmail.com
Wed Jun 29 11:11:29 PDT 2011


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




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