Printer HP Officejet Pro 251dw

-Function: Print
-Print speed (ISO): Up to 20 ppm black, Up to 15 ppm color
-First page out : Black: As fast as 13 sec / Color : As fast as 14 sec
-Duty cycle (monthly, A4) :Up to 30,000 pages
-Memory, standard: 256 MB
-Processor speed: 480 Mhz
-Duplex Print: Automatic (standard)
-Paper handling input, standard: 250-sheet input tray
-Paper handling output, standard : 150-sheet output tray
-Media sizes supported : A3,A4, A4-R, A5, A6, RA3, SRA3 ,
-RA4, SRA4, B4 (JIS), B5 (JIS
-Media types Tray 1: Custom-sized media between 3 to 8.5 in wide and 5 to 14 inches long
-Tray 2: Notsupporting custom size
-Connectivity, standard 1 Hi-Speed USB 2.0 Device / USB 2.0Host / bullt in Ethernet and WiFi
-Weight 8.8 kg