Mô tả sản phẩmHP LaserJet Pro 400 Printer M404DN ( Duplex, Network )A4, Up to 40pm (Letter), Processor 1200MHz, Memory 256MB, Display Type 2-line backlit LCD graphic display , up to 1200 x 1200dpi, As fast as 6.3 sec , HP FastRes 1200, Resolution Enhancement technologu ( Ret),, Rec..