It is usually a simple ink-jet label printer, but also matrix printers, with ink or heat is used. The matrix printer are tiny needles set in a say 10 across and 20 on top of one another, and where all the middle pins sticks out to make an "l". That it is an impact printer allows this to print a duplicate - or copy as a receipt to be kept as evidence of your payment. This copy is stored in a roll in the printer, while you are given your ticket. .
Chat with our AI personalities