HP (Hewlett Packard) LaserJet Pro 400 M425dn (CF286A) is a monochrome (black and white), workgroup, multifunction printer. It functions as a printer, copier, scanner and fax machine. It has a print and scan resolution of 1200 x 1200 dpi with HP's Image Enhancement Technology, which makes each print clearer and sharper. It's copy resolution is 600 x 600 dpi and fax resolution of 300 x 300 dpi. It has a print and copy speed of 35 pages per minute. The HP LaserJet Pro 400 M425dn has a 300 sheets total input capacity and 150 sheets output trays capacity, it includes 1 x 250 sheet input tray and 1 x 50 sheet multipurpose tray. The total maximum capacity is 800 sheets. The HP LaserJet Pro 400 M425dn media types are envelopes, transparencies, labels, plain paper, heavy-weight paper, cards, bond paper and recycled paper. It's media size is C5, A5, Executive, B5, A6, A4, Letter A Size, Legal and JIS B5. It has a monthly duty cycle of 50,000 sheets. It also features automatic duplexing, 256 MB RAM, ethernet and USB connectivity. HP LaserJet Pro 400 M401n uses 80A and 80X black cartridge. Cartridge model numbers are CF280A and CF280X.