| 摘要 |
<p>A label printer comprising: a cassette-receiving bay adapted to receive a cassette which contains an image receiving medium, said cassette-receiving bay having a base, a top opening opposite the base, and side walls extending between the base and the top opening; a cover member provided on the cassette-receiving bay, said cover member movable between an open and closed position; a print head and a platen roll, at least one of which is movable relative to the other between an operative position for printing and an inoperative position, wherein one of the print head and the platen roll is operatively connected to said cover member such that the print head and the platen roll are in the inoperative position when the cover member is open; an ejector mechanism for ejecting a cassette from the cassette- receiving bay, the ejector mechanism comprising an ejector element, the ejector element being movable in a direction towards the base by a cassette inserted into the cassette- receiving bay and biased in a direction towards the top opening for ejecting the cassette; and stopping means, wherein said ejector mechanism is operatively coupled to the stopping means for preventing the print head and the platen roll from being moved into the operative position when said cover member is closed and no cassette is inserted in the cassette- receiving bay.</p> |
