A tape feed mechanism comprising a storage cassette having at least two tapes, a tape feed device and a guide arrangement. One of the tapes is an inked ribbon having an inked surface that is directed toward the spool about which it is wound....http://www.google.es/patents/US5419648?utm_source=gb-gplus-sharePatente US5419648 - Tape feed mechanism having ribbon inked surface directed toward ribbon spool
