Specially formulated smear-resistant and fade-resistant ink for brilliant, long-lasting output. Convenient black and tri-color ink cartridges reduce user interaction. Accurate ink-level gauge technology ensures proper replacement timing. Designed together to work together with HP printers for clear, sharp quality. HP Business Inkjet and Officejet Pro Printers cp1160, cp1160tn HP Multifunction and All-in-One Products d125xi, d135, d145, d155xi, 7110, 7130, 7140xi HP Fax Products 610