Genuine Ricoh drum unit for Aficio 1515, 1515f, 1515mf, Aficio MP161, MP161f, MP161spf, MP171, MP171f, MP171spf, MP201, MP201f, MP201spf. This OEM drum is the only answer for optimum, precise performance of your equipment. It''s specifically designed to ensure copy clarity and machine reliability. Tested for quality control so you don''t need to worry about consistency.