Specifically, even if the file has no printing restrictions, like many government forms do (my specific itch), Ghostscript refuses to print the file and generates a blank pdf.
- Put contents of
unblockprint.sh
in an executable file named/usr/lib/cups/filter/unblockprint
. Make sure that the permissions of this file matches others in the same directory. - Put
local.convs
in/etc/cups