CE401A (HP 507A) Cyan - G & G | Cad Toner Inc - Ink and Toner Cartridges
Toner HP 507A - CE403A Magenta - Inkchile
Amazon.com: HP 507A Cyan Toner Cartridge Works with HP LaserJet Enterprise 500 color M551, HP LaserJet Enterprise 500 color MFP M575, HP LaserJet Pro 500 color MFP M570 Series CE401A : Electronics