Electronic HP Care Pack Next Business Day Hardware Support with Defective Media Retention - Extended service agreement - parts and labor - 3 years - on-site - response time: NBD - for LaserJet Enterprise 600 M601dn, 600 M601m, 600 M601n. When hardware issues come up, the sooner you can get running again, the better. Have expertise at the ready with HP Next Business Day Onsite Service with Defective Media Retention, and vastly improve your product uptime. With high-quality remote assistance and convenient onsite support available the next business day, help is there when you need it – so you can get back to work. When dealing with failed storage media, you maintain control of your sensitive data.