HP Deskjet Ink Advantage 2135, Functions – Print, copy, scan, Printer Type – All in One Printer, Speed PPM (Black) – 7.5ppm, Speed PPM (Color) – 5.5ppm, Print Resolution (Pixel) – 4800 x 1200dpi, Scan Resolution (Pixel) – 1200dpi, Copy Speed – 5cpm black / 3cpm colour, Copy Resolution (Pixel) – 4800 x 1200dpi, Paper Size – A4; B5; A6; DL envelope; Custom: 89 x 127 to 215 x 279mm (Plain paper, photo paper, brochure paper), Interface – Hi-Speed USB 2.0, Memory (MB) – Integrated memory, OS Compatibility – Windows 8 .1, 8, 7, Vista, Server 2008, Server 2008 R2, XP (32-bit), Server 2003 (32-bit), OS X v 10.7 Lion; OS X v 10.8 Mountain Lion; OS X v 10.9, Dimensions (WxHxD) – 424.97 x 519.36 x 248.77mm, Weight (Kg) – 3.42Kg, Consumable – HP 680 Tri-color , HP 680 Black, Others – Duplex Printing: Manual Duplex, Specialty – Affordable,high-quality printing, Warranty – 1 year