For HP Printer head models:HP18/38/70/72/73/88/89/91/706/771/789/792/940/941For HP printer models:Photosmart Pro B8850 B9180 B9180gpDesignjet T610 T620 T770 T790 T795 T1100/ps/mfp T1120 T1200 T1300 T2300 Z2100 Z3100/ps Z3200 Z5200 Z5400 Z6100/ps Z6200/ps D5800 L25500 L26100 L26500 L28500Officejet Pro K550/dn/dtwn K5300 K5400/dn/dtn/tn K8600/dn L7380 L7400 L7480 L7500 L7550 L7555 L7580 L7590 L7600 L7650 L7680 L7681 L7700 L7750 L7780 Pro8000 Pro8500/APackage includes:1PCS-Snap on Print Head Cleaning & Refilling Tool1PCS-Ink Supply Funnel1PCS-10 ML Vacuum Syringe1 Pairs of rubber glovesNote:1. This tool package does not contain ink. You need to purchase it from other shops.2. It cannot solve the problems with damaged print head chip or with electrical fault.3. It can only pump out tiny impurities. It doesn’t guarantee that all impurities could be cleaned. It cannot repair the serious problems of nozzle plugging.4. If your print head appears in either of these situations, or if you use this tool for maintenance, it didn’t help to solve the printing problem, the only solution is to replace a new print head.