Pci micr for hp 27x c4127x scan capable micr toner cartridge 10000 page high yield for hp laserjet 4000, hp 4000n, hp 4000se, hp 4000t, hp 4000tn, hp 4050, hp 4050n, hp 4050se, hp 4050t, hp 4050tn taa compliant micr, made in u.Sa.