. HP black inkjet print cartridges ensure that your documents make a lasting impression. HP's uniquely formulated inks & print head electronics are your guarantee of precision performance with your HP printer. A snap to install HP inkjet print cartridges offer water-resistant system-specific ink for unmatched reliability & clog-free trouble-free printing. Crisp sharp output is guaranteed every time. This cartridge is for use with Think Jet/ Quiet Jet/XL series..