Patent ID: 8052275

Claim:
A printer comprising: a body defining an internal cartridge docking space; a static pagewidth printhead extending across an end of the body and configured to print upon print media; a removable printer cartridge for storing a stack of print media and defining an ink supply reservoir, the printer cartridge configured for insertion into the docking space to engage the ink supply reservoir into fluid communication with the printhead; a feed mechanism configured to feed print media from the stack and in line with the printhead during printing; and a pair of toothed racks protruding transversely from opposite sides of the printer cartridge and extending longitudinally thereto, each toothed rack having a rib protruding therefrom and extending longitudinally along a length of each toothed rack, wherein the ink supply reservoir comprises a plurality of channels extending parallel to a longer side of the stack of print media, and a flexible bladder-like membrane provided above the plurality of channels for sealing the channels, the flexible bladder-like membrane being heat-sealed to an inside surface of the removable printer cartridge, and the body further defines a recessed slot for receiving therein the rib of each toothed rack.