Print the number of needles

According to the print principle, the ticket printer is classified as a dot matrix printer, and the printing principle of the dot matrix printer is to generate a small point on the printing media by printing a mechanical impact on the ribbon, it consists of small dots to print objects. Therefore, the number of print pins is the number of print pins on the head of the ticket printer. The number of print needles directly determines the product printing effect and speed.

Compared with the general-purpose dot matrix printer, which basically uses 24-pin products, some ticket printers, such as the one that prints the bill at the cashier in the supermarket, are limited by the product volume, at present, the number of printed needles is still 9, and these products are inferior in terms of printing speed and quality than the 24-pin products.

Such as Epson LQ-630K, Epson LQ-580K +, Epson LQ-670K + T are 24 needle products, and EPSON TM-U210PDM is a 9 needle products.