Electronic HP Care Pack Next Business Day Hardware Support with Defective Media Retention - Extended service agreement - parts and labor - 3 years - on-site - 9x5 - response time: NBD - for Color LaserJet Enterprise M455dn. Increase equipment availability and productivity with high-quality onsite and remote support for your HP hardware, as well as selected multivendor equipment. This flexible HP Care Pack packaged service covers desktops, workstations, servers, notebooks and laptops, network equipment, and printing.