just had a look at my own cups, have you tried the other docuprint options, whilst there isnt one specific to the printer another one may do the trick.
You are also given the option of uploading a ppd file so if you can find one of those, not sure if this will do it but could be worth a try;
http://www.opendrivers.com/driver/263019/fuji-xerox-docuprint-c4350-mac-os-x-ppd-1.0-free-download.htmlyou may have to see about a different printer if this one cant be configured.
