[cups.general] IPP problem with Lexmark T620

[Jukka Salmi]

I probably should have mentioned that I'm using the PPD file from the
printer vendor's site:

	http://downloads.lexmark.com/cgi-perl/downloads.cgi?fileID=910

Jukka Salmi --> cups (2006-04-12 22:47:56 +0200):
> Hi,
> 
> I'm trying to get CUPS 1.1.23 (running on NetBSD 2.1) to work with a
> Lexmark T620 printer.
> 
> The printer seems to work fine: when connected via ethernet, I'm able
> to connect using ftp and upload postscript documents. Furthermore,
> printing the test page from CUPS works fine, too.
> 
> However, when trying to print files using CUPS's lp(1) on the host
> running cupsd, the printer receives data over the network but doesn't
> print anything. On the printer display I can see it switching to
> postscript and then to print job language - but nothing is printed.
> 
> If I configure CUPS to print banner pages before and after the page
> (lpoptions -o job-sheets=standard,standard), both banner pages are
> printed, but not the document I try to print...
> 
> Setting CUPS's LogLevel to debug2 didn't help me finding an indication
> of what could be wrong. In case anybody is interested: [1]here's what
> cupsd logs while I'm trying to print a text file.
> 
> Capturing network traffic between CUPS and the printer shows that cupsd
> connects to the printer's IPP port and sends some PJL commands (`JOB
> NAME', `DISPLAY', `ENTER LANGUAGE = Postscript') and something which
> looks like a postscript header to me, followed by `currentdict end',
> `currentfile eexec' and several hundred lines of hexnumbers, 60
> characters each. Honestly, I have no idea if this helps...
> 
> If I connect the printer via USB instead of ethernet, printing with
> CUPS works fine! Hmm, almost fine: when printing plain text, the first
> page printed always contains just these two lines:
> 
> 	n)"
> 	   @PJL ENTER LANGUAGE = Postscript
> 
> followed by pages with the text from the file passed to lp(1).
> 
> 
> What could be the problem here? I.e. why is nothing printed when the
> printer is connected via ethernet? And why is this PJL command printed
> when connected via USB?
> 
> Please tell if I should provide more information. This is my first
> CUPS setup, as you may have noticed...
> 
> 
> Help is appreciated.
> 
> TIA, Jukka
> 
> [1] http://salmi.ch/~jukka/cups.log
> 
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> $ ((RANDOM%6)) || rm -rf ~
> 
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$ ((RANDOM%6)) || rm -rf ~