FIELD: printing.
SUBSTANCE: invention relates to a substrate for the print head and the print device on the print head of which the substrate is placed. The substrate comprises: a set of printing elements arranged in a predetermined direction, the first logic circuit 104 located in accordance with the relevant groups each of which is designed for a specific number of adjacent printing elements, and made with the ability to choose the printing element for actuation of the printing elements that belong to each group; an actuation circuit 106 made with the ability of actuation the printing elements based on the signals output from the first logic circuit 104; the second logic circuit 105 made with the ability to supply from outside of input the printing data to the first logic circuits 104 corresponding to the respective groups; and means of storage the charges 108 located in the respective groups, connected with bus of power supply to provide power to at least one of the first logic circuits 104, the second logic circuits 105 and the actuation circuits 106 and made with the ability to store the charges in accordance with the voltage applied through the bus of power supply.
EFFECT: opportunity of effective suppression of the voltage fluctuation is provided due to the voltage drop between the ground bus and the bus of power supply of the second logic circuits or the drive circuits.
6 cl, 14 dwg
