Patent ID: 7934881

Claim:
A replaceable ribbon cartridge for use with a printer, said replaceable ribbon cartridge comprising: a cartridge frame defining a first side, a second side, a supply spool retaining end and a take-up spool retaining end; a supply spool enclosure defined at the supply spool retaining end of the cartridge frame; a take-up spool enclosure defined at the take-up spool retaining end of the cartridge frame; a support plate that defines at least part of the first side of the cartridge frame between the supply spool retaining end and the take-up spool retaining end, wherein the support plate further defines: a bias support surface adapted to receive a printer biasing element, a locating surface and a locating slot generally proximate a mid-point of the locating surface, located between the supply spool retaining end and the take-up spool retaining end, and an upper surface comprising both a first surface and the bias support surface, wherein a first distance is defined between the first surface and the locating surface, wherein a second distance is defined between the bias support surface and the locating surface, and wherein the second distance is greater than the first distance.