摘要 |
A label printing apparatus, comprising a cassette-receiving bay adapted to receive a cassette, said cassette-receiving bay having a base, an opening opposite the base, and side walls extending between the base and the opening; a cassette locking mechanism comprising at least one locking element having a locking position for engagement with a cassette inserted into said cassette-receiving bay; and cassette detection means operable to determine whether said at least one locking element is engaged with a cassette inserted into the cassette-receiving bay. |