Specifications Xerox® DocuMate® 4799 and 47902-2 Performance and Image Quality Expectations GuideSpecificationsReference Scanner Xerox DocuMate 4790 Xerox DocuMate 4799Scan Speed1(black & white,grayscale or color @400 and 600 dpi)400 dpi 65 simpleximages/minute, 20duplex images/minuteblack & white 60 simpleximages/minute, 20duplex images/minutecolor600 dpi 65 simpleximages/minute, 20duplex images/minuteblack & white 40 simpleximages/minute, 20duplex images/minutecolor400 dpi 50 simpleximages/minute, 100duplex images/minuteblack & white 49 simpleximages/minute, 67duplex images/minutegrayscale 35 simpleximages/minute, 37duplex images/minutecolor600 dpi 34 simpleximages/minute, 69duplex images/minuteblack & white 33 simpleximages/minute, 35duplex images/minutegrayscale 14 simpleximages/minute, 16duplex images/minutecolor400 dpi 82 simpleximages/minute, 157duplex images/minuteblack & white 66 simpleximages/minute, 66duplex images/minutegrayscale 39 simpleximages/minute, 39duplex images/minutecolor600 dpi 46 simpleximages/minute, 89duplex images/minuteblack & white 34 simpleximages/minute, 32duplex images/minutegrayscale 17 simpleximages/minute, 17duplex images/minutecolorScan Method Full Width Array (FWA)image sensor (singleCCFL light source)Dual Color ContactImage Sensor (CCFLlight source), switchableblack or whitebackgroundDual Charge-CoupledDevice (CCD) / whiteLED light sourceOptical Resolution 600 dpi 600 dpi 600 dpiOutput Resolution Up to 1200 dpimonochrome, 600 dpicolorUp to 600 dpi Up to 600 dpiOutput Bit Depth 24-bit color, 1-bit blackand white24-bit color, 8-bitgrayscale, 1-bit blackand white24-bit color, 8-bitgrayscale, 1-bit blackand whiteInterface Ultra Wide SCSI Hi-speed USB 2.0 (1.1compatible)Hi-speed USB 2.0 (1.1compatible)Dimensions 31.3"(w) x 26.4"(d) x13.9"(h)(795 x 671 x 353 mm)18.5" (w) x 17.5"(d) x13.4"(h)(468 x 444 x 339 mm)18.7"(w) x 23"(d) x13"(h)(474 x 585 x 329 mm)Weight 97 lbs. (44 kg) 40 lbs. (18 kg) 55 lbs. (25 kg)ADF MinimumDocument Size5.5" x 8.27"(140 mm x 165 mm)1.9" x 2.8"(48 mm x 70 mm)1.9" x 2.8"(48 mm x 70 mm)