Aimed at medium sized workgroups who are looking for high productivity this model offers reliable high performance printing as well as gigabit ethernet and fast double sided printing the workforce al m400dtn also offers consistently fast printing up to 45ppm with a first page out time of 55 seconds as well as high quality results up to 1 200dpi resolution internal memory can also be increased to 1152mb to help process all business printing needs high performance is teamed up wit