Label printer

摘要

A cassette device 2 is arranged to be removably mounted to or inserted into a printing device 3 of a weighing scale 1. The cassette device 2 comprises a feed hub 6 and a take-up hub 7 comprising a signal generating means 47 which produces a signal upon rotation of the hub. Cassette configuration, label roll end sensing, backing paper tension control, print head movement and pressure adjustment, and label feed/print line alignment arrangements are also described.