Patent ID: 7824116

Claim:
A printer assembly for dispensing media from a media supply and printing on the media as it is dispensed, the printer assembly comprising: media support members configured to grip the media supply when the media supply is positioned between the media support members; two media support arms, wherein each of the media support arms is attached to one of the media support members, wherein each of the media support arms are movable relative to each other along a first sliding axis so as to urge the media support members together to grip the media supply, wherein each of the media support arms includes an engagement surface, and wherein at least one of the media support arms comprises a locking face; a movable engagement member positioned between the media support arms, said movable engagement member is configured to at least indirectly engage the engagement surface of each of the media support arms so as to couple movement of the media support arms; and a locking member comprising a locking surface that is positionable in a locked position and an unlocked position, wherein the locking surface engages the locking face of the at least one media support member in the locked position; and a latch member configured to engage the locking member that may be movable along a second sliding axis, which is parallel to the first sliding axis, from a first position to a second position, wherein the locking member is moved from the unlocked position to the locked position in response to the latch member moving from the first position to the second position along the second sliding axis.