Toner Cassette Type 165 Black for Aficio CL3500DN, CL3500N. 7,000 prints @ 5%Compatible Printers: Ricoh Aficio CL 3500 n, NRG C 7521 N, Ricoh Aficio CL 3500 dn, NRG C 7521 DN, Rex Rotary C 7521 N, Gestetner C 7521 N, Rex Rotary C 7521 DN, Ricoh Aficio CL 3500 Series, Gestetner C 7500 Series, Rex Rotary C 7500 Series, Gestetner C 7521 DN