Brother HL-5440D A4 Duplex USB Mono Laser PrinterBrother's HL 5440D printer is the professional print partner offering high speed output of up to 38ppm to meet your business requirements. The key benefits include an automatic 2 sided printing feature with booklet feature which saves paper and costs. Offering cost effective printing and deep sleep mode which consumes less than 1 watt of power when not in use, which is 9 times less energy when compared to the standard ready mode.