The imageCLASS MF4270 uses a 33.6 Kbps Super G3 fax. The device also offers network connectivity through the 10/100Base T network. The imageCLASS MF4270 model also incorporates the Canon Single Cartridge System, which combines the toner and drum in one easy-to-replace unit, resulting in excellent image quality retention and eliminating the complication and warehousing of separate toner and drum consumables.