CS820, CX820, CX825, CX860 series color laser printers - Yellow Developer Unit (300,000 page yield)

CS820, CX820, CX825, CX860, XC6152, XC8155, XC8160 series color laser printers - Photoconductor Unit (1 unit) (175,000 page yield) (this is a single drum unit, your machines uses 4 of these)

CS820, CX820, CX825, CX860, XC6152, XC8155, XC8160 series color laser printers - Photoconductor Unit (3 pack) (175,000 page yield x 3) (this is a value pack of 3 drum units, your machines uses a total 4 of these)

CS820, CX820, CX825, CX860 series color laser printers - Yellow Toner Cartridge (8,000 page yield) (use & return program)

CS820 series color laser printer - Yellow Toner Cartridge, Extra High Yield (22,000 page yield) (use & return program)