Color Drum Unit (Type SP C830DN) (Includes Cyan, Magenta & Yellow units)Compatible Printers: Ricoh Aficio SP C 830 Series, Lanier SP C 831 dn, Ricoh SP C 831 dn, Ricoh SP C 830 Series, Lanier SP C 830 Series, Ricoh SP C 830 dn, Lanier SP C 830 dn, Ricoh Aficio SP C 831 dn, Ricoh Aficio SP C 830 dn