Home & office Laser Colour printing 1200 x 1200 DPI Printing colours: Black, Cyan, Magenta, Yellow A4 18 ppm Colour copying Colour scanning Apple AirPrint, Canon PRINT Business, Google Cloud Print Direct printing USB port Wi-Fi Ethernet LAN Internal memory: 1024 MB Built-in processor 800 MHz 18.9 kg Multi-function colour printer that is optimised for small and medium businesses. Durable, reliable and fast, the MF641Cw also features a large colour touch screen and compact design. Printing Secure printing Yes Time to first page (colour, normal) 10.5 s Time to first page (black, normal) 10.4 s Warm-up time 13 s Print speed (black, normal quality, A4/US Letter) 18 ppm Maximum resolution 1200 x 1200 DPI Duplex printing mode Auto Duplex printing Yes Printing Colour printing Print technology Laser Copying Edge erase function Yes ID-card copy function Yes N-in-1 copy function (N=) 2, 4 N-in-1 copy function Yes Copier resize 25 - 400% Maximum number of copies 999 copies Time to first copy (colo