Brother HL-4070CDW Printer Drivers Download – The HL-4070CDW is the fast, affordable color laser printer that everyone has been waiting for. This printer features an automatic duplex capability for printing professional quality two-sided documents. In addition, it offers built-in wired and wireless 802.11b/g interfaces for sharing with others on your network. And to keep your running cost low, the HL-4070CDW uses high capacity replacement toner cartridges‡. For worry-free printing, this model also arrives with a one year on-site limited warranty.