Canon PIXMA GM2070 is a very specific model in the MegaTank line. It is a Single-Function printer that specializes in Black and White printing using a refillable black ink tank, it also has the option to print color using a separate, purchasable color cartridge. 
 
Print
ISO standard print speed (A4): 13.0 images per minute black
Hi-speed USB 2.0, Wireless, Wired LAN, Wireless/Wired LAN Pictbridge, Direct Wireless
Recommended print volume: 150 to 1 500 pages