[cups.general] ipp/port#, how does one determine # without actually printing?

[Kurt Pfeifle]

wtautz <wtautz at cs.uwaterloo.ca> wrote (Thursday 27 July 2006 22:33):

> Is there an easy way to determine whether ipp/port1 ipp/port2 etc are
> correct without
> actually trying to print a file to an HP printer. The printer in
> question is a 4100 series.

If you compile from sources (no need to actually install), you'll
find a "test" subdirectory, with the "ipptest" utility (dunno if
that is shipped by any distro). You can then enter that directory
and run the utility like this:

   ./ipptest -v ipp://[ip-address-of-printer]/ get-printer-attributes.test
   ./ipptest -v ipp://[ip-address-of-printer]/ipp get-printer-attributes.test
   ./ipptest -v ipp://[ip-address-of-printer]/ipp/port1 get-printer-attributes.test
   ./ipptest -v ipp://[ip-address-of-printer]/ipp/port2 get-printer-attributes.test

That said, most HPs that actually do support IPP do take /ipp as 
well as /ipp/port1.

However, that one HP 4000 I found nearby did not support IPP at
all:

   ./ipptest -v ipp://10.162.4.65:631/ipp get-printer-attributes.test
   Unable to connect to 10.162.4.65 on port 631 - Connection refused

Cheers,
Kurt