1. Double offset paper: the cash register paper produced by ordinary double offset paper is all single-layer, there is no coating on the paper surface, and the words are printed on it by color tape.
2. Thermal paper: the thermal cash register paper produced by thermal paper processing is all single-layer, the paper surface is coated with thermal chemical coating, and the paper is colored by laser thermal head. It is characterized by no printing consumables, carbon ribbon, color ribbon or ink cartridge; Moreover, the surface of the paper is relatively smooth, and there will be clear marks when it is scratched on the paper with nails or hard objects.
3. Carbonless paper: this kind of cash register paper consists of at least two or more layers. The first one needs a needle printer to print and develop color, but the later ones rely on the printing pressure of the needle printer to develop color.
4. Pressure sensitive paper: this kind of cash register paper is composed of one or more layers. The color is developed by printing pressure by needle printer. The printing paper does not need to be equipped with color band. The first copy of this cash register paper is called self sensing paper, and the following copies are ordinary carbon free paper.
