[STR New]
FINAL_CONTENT_TYPE is being set to printer/{name}. This causes the IPP
backend to require the remote printer to support that weird MIME type, and
of course it doesn't.
Original bug report:
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=196294
Link: http://www.cups.org/str.php?L1795
Version: 1.2.1