HP LaserJet 110V Maintenance Kit is designed for use with HP LaserJet Enterprise MFP M631dn J8J63A, MFP M631z J8J65A, MFP M632h J8J70A, MFP M632fht J8J71A, MFP M633fh J8J76A; LaserJet Enterprise Flow MFP M631h J8J64A, MFP M632z J8J72A, MFP M633z J8J78A; LaserJet Managed MFP E62555dn J8J66A, MFP E62565hs J8J73A, MFP E62655dn 3GY14A, MFP E62665hs 3GY15A; LaserJet Managed Flow MFP E62565h J8J74A, MFP E62565z J8J79A, MFP E62575z J8J80A, MFP E62665h 3GY16A, MFP E62665z 3GY17A and MFP E62575z 3GY18A. It ensures your HP printer remains in working condition and continues providing your workers with the highest print quality possible. Maintenance kit yields approximately 225,000 pages. It includes user-replaceable parts that work with your HP printer to prompt you when they require maintenance.