We needed to print to kerberized lprng servers from MacOS X 10.2 as I
suspect you do if you are reading this file. We spent a lot of time
talking to a lot of developers on kerberos and at Apple about the problems
associated with kerberos, cups and lprng. We tested lots of theories
about ticket caches, cups configuration, lprng configuration and other
things. Several folks have kerberized command line printing tools
on MacOS X (CMU, Reed, etc) but no one to our knowledge has worked
out printing with Print Center and GUI apps on MacOS X 10.2+.
To prevent Adobe PhotoShop from printing as binary and thus causing the LPR printers to spit out ASCII pages, here's how to change PhotoShop's encoding to ASCII for printing: