[ubuntu] Corrupt pdf printing

view story

http://ubuntuforums.org – I am running ubuntu 12.04.1 . I have multiple printers: a local Lexmark C544 and a remote Ricoh Aficio MP-9000. (the latter is a high-speed copier and printer that can run through a ream of paper in a minute, but it is a few rooms away.) I believe cups is sending jobs in raw pdf to my printers. I believe neither of my printers is smart enough to understand pdf. they understand ps, but not pdf. on the Ricoh, I have thus printed hundreds of white pages, some with scribbles at the top. the first page contains some text with a Glyph & Cog copyright notice, a line-feed, then /xpdf and (Hardware)