In the general supermarket, most of the size of the cashier paper is 80*50 or 75*60, but the most important is the size of the POS.
The rolls are divided into three categories: thermosensitive silver paper, ordinary (double adhesive paper) paper, and carbon free (multilayer) paper.
Paper size: width X diameter or paper length, such as hot sensitive paper 57X50MM, 57X60MM, 80X50MM, 80X60MM, 80X80MM.
Ordinary paper (double adhesive paper) 82X80MM, 75X60MM, 75X80MM, 70X60MM, 70X70MM.
75X76MM, 75X70MM, 75X60MM, carbonless paper: two layer, three layer, four layer, a white, pink, yellow and blue in the second line.