FIELD: printing.
SUBSTANCE: invention relates to use of the printing head of the thermal printer, which is equipped with a device of print control and an image control sensor in roll printer as a control means when printing of receipts, in which each printed receipt is checked for compliance with the data that was given during the print setup.
EFFECT: control of printing of receipts is provided by comparing the pulses generated by the image control sensor and the pulses served on the printing head during the print setup.
5 cl, 2 dwg
