How to choose the cash register paper of the supermarket cash register
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March 22 09:08:08, 2023
Thermal cash register paper is specially used for printing paper on thermal printers. At present, 80% of the small ticket printing paper used by supermarket cash registers on the market is thermal cash register paper, so the quality of cash register paper directly affects printing. Quality and storage time, more directly, affect the life of the cash register printer.
First of all, let's understand the structure of the cash register paper in the cash register:
The thermal cash register paper is generally divided into three layers, the bottom layer is a paper base, the second layer is a heat-sensitive coating, and the third layer is a heat-sensitive coating or a protective layer whose protective layer mainly affects its quality. If the coating of the thermal cash register paper is uneven, the color of the printed printing will be different when printed. If the chemical formula of the coating of the thermal cash register paper is unreasonable, the storage time of the thermal cash register paper will be shortened after printing. The protective layer is also critical for the storage time after printing. It absorbs some of the light that causes the chemical reaction of the heat-sensitive coating to slow down the deterioration of the thermal cash register paper.
So, how to choose a good thermal cash register paper?
Method 1: Look at the appearance of the paper, the good quality thermal cash register paper has uniform hair color, good smoothness, high whiteness and a little greenish color. If the paper is very white, then the protective coating and thermal coating of the paper are unreasonable, adding too much phosphor; if the paper finish is not high or looks uneven, the paper coating is uneven; if the paper looks reflective The light is very strong and too much phosphor is added.
Method 2: Bake with fire and heat on the back of the paper with fire. If the color on the paper is brown, the heat-sensitive formula is not reasonable, and the storage time may be short. If the black part of the paper has small stripes or The color block is uneven, indicating that the coating is uneven. Paper of better quality should be black-green after heating, and the color blocks are even, and the color gradually fades from the center to the periphery.
Method 3: Comparison of positive and negative: Some manufacturers use the "high-tech" method to reduce the cost of cash register paper. The front is very white and bright, adding a lot of phosphor and calcium carbonate, the reverse is very rough, and the recycled paper is used to make paper. A lot of paper dust is lost during printing and cutting, which seriously affects the life of the print head and the automatic paper cutter.