> >When setting up a raw queue on the CentOS box, it might be necessary to edit couple of files in /etc/cups. > >mime.convs - uncomment this line: > >#application/octet-stream application/vnd.cups-raw 0 > >mime.types - uncomment this line: > >#application/octet-stream I was going to suggest this as it seems to always fix printing problems with me. Just a few additional notes: 1) After editing file: service cups restart 2) If you do a yum update and there's any update done to cups, a default instance of the above file is put back in place and you have to re-edit the file.