Compatible HP 940XL 940 C4900A C4901A Remanufactured Printhead for HP Officejet Pro 8000 8500 8500A 8500A Plus 8500A Printer 2-Pack(Black/Yellow) Hello ~ up for sale is a printer printhead black/ yellow item # c4900a for Office Jet #940 cartridge ~ I did not use & not sure where that printer ended up lol so seeing if someone can use.  Please let me know if you have any questions & thanks for looking!