Modular printing machine for ceramic products

A digital printer machine for ceramic products, comprising at least one conveyor, suitable for transporting the products to be printed along a feed direction, and at least one printing module, positioned along said conveyor and comprising an operating unit with respective print heads provided with nozzles for dispensing at least one printing fluid to be deposited on the surface of the products, characterized in that said printing module comprises a basement provided with a recess (R), underlying said operating unit, wherein said conveyor is inserted to make the products pass under said heads, said basement further comprising two completely flat and free lateral opposite flanks so that said printing module can be matched to other modules along said conveyor until a complete mutual matching is obtained,

• wherein the operating unit of each of said printing modules comprises a plurality of printing bars, functionally autonomous, flanked along the feed direction of the products and each suitable for dispensing, on the surface of the products being processed, a respective printing fluid.