If you are experiencing issues with print errors on Xerox devices please apply the following PPD options:
1) Change the driver to PCL6 as Octet Stream
2) Under config settings: Remove all existing PPDs
3) Under Advanced config settings: Add the standard header for Xerox (Add to options -> Force/enable)
4) Under Advanced config settings: Add the Generic PDL Formatting options (add to options)
4a) Enable PCL Force JPEG to always use color
Run a test print.