Patent ID: 7517165

Claim:
A printing unit, comprising: a first frame member, having an accommodating section adapted to accommodate a rolled sheet at a rear side of the first frame member; a print head, operable to perform printing with respect to a print sheet drawn out from the rolled sheet; a second frame member, supporting the print head and coupled with a front side of the first frame member so as to be movable between a first position and a second position; a locking mechanism, which locks the second frame member in the first position; and a release lever engageable with the locking mechanism, the release lever releasing the locked state of the second frame member when the release lever is pulled toward the second frame member, wherein: at least the accommodating section is accessible when the second frame member is placed in the second position; the release lever is pulled in the same direction that the second frame member is moved to the second position; the release lever has an operating portion arranged between the second frame member and the accommodating section and operable to release the locked state of the second frame member; the second frame member is pivotable between the first position and the second position; and a pivot center of the second frame member is movable when the release lever is pulled.