Testing the backchannel with the socket backend

[Michael Sweet]

John A. Murdie wrote:
> I thought I'd see what the backchannel data coming from our PostScript printers looked like with our Solaris 8 CUPS 1.2.2 installation. So, I took a PostScript program which writes the contents of the system dictionary etc to the printer's standard output:
> ...
> I don't see any backchannel data - though the backchannel data reporting service of our old non-CUPS print system mails me oodles of output for the same program.
> 
> Am I missing something, or am I suffering from the effects of STR #1724? I see that there is a patch to fix CUPS 1.2.0 for that - is that patch required also for 1.2.2?

No, that bug isn't affecting you.

Without knowing what printer you are using, I can't say for sure why
you aren't seeing the back-channel data.  Some printers don't support
bi-di on port 9100 - our Xerox printers don't, for example...

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______________________________________________________________________
Michael Sweet, Easy Software Products           mike at easysw dot com
Internet Printing and Document Software          http://www.easysw.com