Pci reman alt.For hp c4840a (hp 10) black ctg for hp business inkjet 1000, 2200, 2230, 2250, 2280, 2600, 2800, officejet 9100, 9110, 9120, 9130, k850, c4836a,c4837a, c4838a, c4844a this is a remanufactured cartridge made in the usa upc 84