HP OfficeJet Pro X551dw Office Printer with Wireless Network Printing, Remote Fleet Management & Fast Printing, HP Instant Ink & Amazon Dash Replenishment ready (CV037A) Main functions of this color inkjet printer: wireless printing, AirPrint, two-sided duplex printing, color touchscreen, and more Mobile printing: print from anywhere using your smartphone or tablet with the free HP ePrint app, easily print from your iPhone or iPad with AirPrint, print even without a network using Wireless Direct printing Tap and swipe the 4.3-inch color touchscreen to quickly print and access time-saving business apps 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 70 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