Functions Print PrintPrint speed (A4 and Letter, black and color)3 52/55 ppm (A4/Letter) 61/65 ppm (A4/Letter)Control panel 4.3-inch colortouchscreen display 4.3-inch colortouchscreen displayRMPV Up to 14,000 pages per month Up to 17,000 pages per monthInput capacity 650/3,850 (std/max) 650/3,850 (std/max)Output capacity (standard) 500 sheetsProcessor Dual-core 1.2 GHzWorkpath-enabled Yes (with 4 GB upgrade)Extensibility HP FutureSmart 5, OXP