Patent ID: 7536701

Claim:
A cartridge carrier, comprising: a base having a recessed plate, a top surface, and a bottom surface; a guide coupled to the top surface of said base; an interposer board coupled to said guide; and an ejection mechanism coupled to said base, said ejection mechanism comprising a locking mechanism, said locking mechanism comprising: an eject button; a ridge extending upwardly from said eject button; and a lip coupled to and extending downwardly from said base; wherein when the eject button is in a first unlocked position, the ridge is disposed on a first side of the lip, and wherein the eject button is displaceable from the first unlocked position to a second locked position by pulling said eject button such that the ridge engages a second side of the lip opposite the first side preventing actuation of the ejection mechanism regardless of whether or not a recording medium in the cartridge is in use, the eject button being displaceable from the second locked position to the first unlocked position by displacing the eject button downwardly relative to the base allowing the ridge to pass beneath the lip from the second side of the lip to the first side of the lip.