Electronic HP Care Pack Next Business Day Channel Remote and Parts Exchange Service - Extended service agreement - advance parts replacement - 3 years - shipment - response time: NBD - for LaserJet Pro M501dn, M501n. 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. We'll ship replacement parts the next business day to your specified location – before you even return the defective parts to HP.