Brother HL-2270DW is a monochrome (black and white) workgroup laser printer. It features automatic duplexing, 32 MB RAM, 200 MHz processor, ethernet, wireless and USB connectivity. It has a print resolution of 2400 x 600 dpi, it's print speed is 27 pages per minute with first page out in 8.5 seconds. The Brother HL-2270DW has a 250 sheet input capacity and 100 face down output sheet, it's monthly duty cycle is 10,000 pages. The Brother HL-2270DW media types are envelopes, labels, plain paper, bond paper, recycled paper. It's media sizes are letter A size, legal, executive, A4, A5, A6, B5 and B6.The Brother HL-2270DW uses two toner cartridges and one drum unit, the toner cartridges consist of a standard yield and a high yield toner. The standard yield can print up to 1,200 pages at 5% coverage, while the high yield can print up to 2,600 pages at 5% coverage. The toner cartridge model numbers are TN420 (TN-420) which is the standard yield and TN450 (TN-450) which is the high yield toner. The drum unit model number is DR420 (DR-420), which has a duty cycle of 12,000 pages at 5% coverage.