Canon GPR61 4 Pack Toner Cartridge iR Advance DX C5850i, C5840i, C5860i, C5870i
Estimated Yield Black 71,000 Colors 60,000 pages @ 5%

Manufacturer part numbers:
GPR61K , GPR-61K , GPR 61 , 3763C003AA
GPR61C , GPR-61C , GPR 61C , 3764C003AA
GPR61M , GPR-61M , GPR 61M , 3765C003AA
GPR-61Y , GPR61Y , GPR 61Y , 3766C003AA