MAIN OVERVIEW FEATURES: Recommended Use: Plain Paper PrintPrint Color Capability: MonochromeMaximum Mono Print Speed (ppm): 55Maximum Print Resolution: 1200 x 1200 dpiUSB Direct Printing: YesDuplex Printing: AutomaticProcessor Speed: 800 MHzMaximum Memory: 768 MBUSB: YesEthernet: YesEthernet Technology: Gigabit EthernetMedia Size: A4 - 8.27" (210 mm) x 11.69" (297 mm),A5 - 5.83" (148 mm) x 8.27" (210 mm),B5 - 6.93" (176 mm) x 9.84" (250 mm),Letter - 8.50" (216 mm) x 10.98" (279 mm),Legal - 8.50" (216 mm) x 14.02" (356 mm),Executive - 10.51" (267 mm) x 7.24" (184 mm),Com10 Envelope - 4.13" (105 mm) x 9.49" (241 mm),Custom SizeNumber of Input/Multipurpose Trays Installed: 2Standard Input Media Capacity: 630 sheetsDuty Cycle: 280000Power Source: AC SupplyInput Voltage: 120 V ACForm Factor: DesktopHeight: 16.10" (408.94 mm)Width: 17.10" (434.34 mm)Depth: 19.60" (497.84 mm)Weight (Approximate): 26.99 kgPackage Contents: B731DN LED PrinterStarter Toner Cartridge(10000 page)Energy Star: YesEnvironmentally Friendly: YesEnvironmental Certification: ENERGY STARLimited Warranty: 1 Year