C520, C522, C524 series color laser printers - Photoconductor (Single Pack) (approx. 20,000 Yield) (part # update - now identical to # C53030X) (this is a single drum unit, your machines uses 4 of these)

C520, C522, C524 series color laser printers - Photoconductor (4 Pack) (approx. 20k yield/ea) (part # update - now identical to # C53034X) (this is a value pack of 4 drum units, your machines uses 4 of these universal drums)

C522, C524, C530, C532, C534 series color laser printers - Return Program Black Toner Cartridge (approx. 4,000 Yield)

C522, C524, C530, C532, C534 series color laser printers - Black Toner Cartridge (approx. 4,000 Yield)

C524, C534 series color laser printers - High Yield Black Return Program Toner Cartridge (approx. 8,000 Yield)

C524, C534 series color laser printers - Black Toner Cartridge - High Yield (8,000 pages)

C520, C522, C524, C530, C532, C534 series color laser printers - Photoconductor (20k page/yield) (this part # is identical to # C52030X)