Ink Toner Compatible Ink Cartridge Replacement for HP 940 ( 2-Pack ) InkToner 2 pack Refurbished HP 940 Printhead C4900A C4901A compatible for HP officejet pro 8000. 8500, 8500A,8500A plus, 8500A premium Printhead delivers professional-quality color documents. compatible for HP officejet Pro: A909a. A910a, A909g, A909n