Patent ID: 7191978

Claim:
A media web cartridge for storing a media web to be introduced into a printing system, the printing system including a region to receive the media web cartridge and feed the media web past a printhead at least as wide as the width of the media web, the media web cartridge comprising: a casing which envelopes the media web; a fixed shaft about which the media web is wound and is free to rotate; two support members that each hold an opposite end of the shaft, the support members adapted to be supported by the casing and to prevent rotation of the shaft relative to the casing; at least two feed rollers to draw the media web from about the shaft and force the media web through an exit region of the casing, a groove in each feed roller being engaged with a lunette of an extension of at least one of the support members; and, at least one of the feed rollers including a coupling which protrudes through an opening in an end of the casing and is adapted to engage with a drive spindle provided in the printing system, the drive spindle adapted to rotate the at least one feed roller.