The brother hl 5450dn is a cost efficient monochrome laser printer that is ideal for busy offices or small workgroups it features reliable fast printing at up to 40 ppm and automatic duplex printing for producing professional two sided documents users can share the hl 5450dn with others on their network via its built in ethernet interface and wirelessly print from their mobile device plus it provides flexible paper handling and uses a high yield 8 000 page toner cartridge to help lower ru