Amazon.com: HP 81A Black Toner Cartridge | Works with HP LaserJet Enterprise M604, M605, M606 Series; HP LaserJet Enterprise MFP M630 Series | CF281A : Office Products
Black Everyday Toner from Xerox - replaces HP CF281A, Canon CRG-039 - 006R03648 - Shop Xerox
HP LaserJet Enterprise M604, M605, M606 - 13.B2 jam error in the toner-cartridge area | HP® Customer Support