PREMIUM QULAITY OF RICOH GENUINE YELLOW TONER CARTRIDGES YIELDING 6,000 PAGES. COMPATIBLE PRINTERS (IF ANY): RICOH SP C231SF,RICOH SP C232SF,RICOH SP C242SF,RICOH SP C310HS,RICOH SP C312DN,RICOH SP C242DN,RICOH SP C232DN,RICOH SP C320DN