Electronic HP Care Pack Next Business Day Advanced Exchange Post Warranty - Extended service agreement - replacement - 1 year - shipment - 9x5 - response time: NBD - for ScanJet Enterprise Flow N6600 fnw1. You won't be down for long with HP Advanced Exchange Service. Get high quality remote troubleshooting assistance and, if needed, a replacement will arrive with shipping included, then just send your failed unit back to HP.