Like changing the oil in your car prolongs the life of your engine, proper maintenance improves print quality and prolongs the life of a printer. DPI printer maintenance kits keep your printer in optimal condition. These kits provide all of the parts necessary to perform do-it-yourself maintenance on your printer to help extend your printer"s life. All of our maintenance kits offer market-leading quality and OEM performance, at a significant cost savings. The entire DPI line is manufactured in state-of-the art facilities and supported by a best-in-class warranty and technical support program. This maintenance kit is compatible with HP LaserJet 9000, 9000N, 9000DN, 9000HNF, 9000HNS, 9000MFP, 9000LMFP, 9000MFS, 9040, 9040N, 9040DN, 9040MFP, 9050, 9050N, 9050DN, 9050MFP and includes 1 Fuser, 7 Feed/Separations Rollers, 2 Tray 2&3 Pickup Rollers, 1 Transfer Roller, 1 Tray 1 Separation Roller, 1 Optional Tray 1 Pickup Roller. It has an expected yield of up to 350,000 pages dependent upon print environment and media used.