Printer ink is expensive. We know it. We don't even like buying inkjet cartridges for our own office. But if you're needing a reliable cartridge that won't break the bank, we have this highly reliable compatible HP C4906AN (HP 940XL) black inkjet cartridge for you.
HP Officejet Pro 8000, 8000 Wireless, 8500, 8500 Premier, 8500 Wireless, 8500A, 8500A Premium; Officejet Plus 8500A
(HP 940XL) - Inkjet Cartridge, Black, Chipped (High Yield) Ink Monitoring Technology