HP OfficeJet Pro X451dn Office Printer with Print Security, Remote Fleet Management & Fast Printing, HP Instant Ink & Amazon Dash Replenishment ready (CN459A) Main functions of this color inkjet printer: Ethernet connectivity for secure printing, two-sided duplex printing, and more Unmatched, automated print security to help protect your network and reduce the time and effort you need to spend securing it Remotely and easily manage your entire fleet with HP Web Jetadmin and HP's Universal Print Driver HP PageWide Technology delivers speeds of up to twice as fast as laser and saves up to 50% on printing costs versus color lasers Choose an ink replenishment service - Let your printer track usage and have ink delivered before you run out. Either reorder Original HP 970/971 ink cartridges only when you need them through Amazon Dash Replenishment, or save up to 50% by paying for pages printed through HP Instant Ink. General Office mode delivers quality prints at up to 55 pages per minute; print up to 9,200 pages per cartridge and load up to 1,050 sheets at once with the optional paper tray Paper sizes supported: Letter, oficio, legal, statement, executive, 3 x 5 in, 4 x 6 in, 5 x 7 in, 5 x 8 in, envelopes (No. 10, Monarch) One-year limited hardware warranty; 24-hour, 7 days a week Web support