| 主权项 |
1. A printer cassette device arranged to be removably mounted to or inserted into a printing device of a weighing scale, the printer cassette is arranged to rotatably support a supply roll when mounted to or inserted into a printing device of a weighing scale, the printer cassette comprises a rotatable locking mechanism for rotational engagement with the printing device characterised in that the rotational locking mechanism for rotational engagement with the printer device is by rotation of the printer cassette device about an axis of rotation of the supply roll such that, in use, rotation of the printer cassette device in one direction locks the cassette to the printer device and rotation of the printer cassette device the other direction unlocks the printer cassette device from the printer device. |
