Our Brother Compatible PC501 Fax Cartridge and Brother Compatible PC402RF Fax Refill Roll for the Brother Fax 575 are designed to meet, or exceed your expectations of the Genuine Brother name-brand product at a fraction of the price. Our Brother Fax 575 Compatible Cartridges are designed to give you optimal print quality, with longer than normal page yields. Purchasing our Brother compatible PC501 Fax Cartridges offers you great savings in comparison to the Brother OEM Brand. The PC402RF Fax Refill roll is used to replace the ribbon roll inside the PC501 Fax Cartridge. Our PC401 comes with a fax roll inside, already installed. All products have a 90 Day Money Back Guarantee.