HP Q6472A Yellow Toner Cartridge - HP 502A Toner @ $61.99
Amazon.com: TCT Premium Compatible Toner Cartridge Replacement for HP 502A Q6472A Yellow Works with HP Color Laserjet 3600 3600N 3600DN Printers (4,000 Pages) : Office Products
HP Color LaserJet 502A Yellow Print Cartridge Q6472A B&H Photo