Provided is a printing cartridge for a printer. The cartridge includes an upper and a lower molding configured to engage cooperatively to define a chamber, and a hollow cylindrical former with print media rolled thereon to form a print medium roll. The cartridge also includes an ink cartridge in the...http://www.google.com/patents/US7789501?utm_source=gb-gplus-sharePatent US7789501 - Printing cartridge for a printer