Electronic HP Care Pack Next Business Day Parts Exchange - Extended service agreement - advance parts replacement (for managed component only) - 3 years - shipment - 9x5 - response time: NBD - for LaserJet Enterprise M406dn. Parts and Remote Service offers access to high quality remote assistance and replacement parts to authorized HP Partners for hardware components that are eligible and covered. The replacement parts will be shipped the next business day to your specified location - before you even return the defective parts to HP.