INK-JET PRINTER AND METHOD FOR PRINTING TEST GAUGE Russian patent published in 2018 - IPC B41J2/01 

FIELD: printing industry.

SUBSTANCE: ink-jet printer comprises a receiving unit designed to receive a command to perform the verification process and a control element designed to make a printing unit spray the first ink with a colouring substance, the second ink with a colouring substance and transparent ink to print test gauge used for the verification process. The printing unit prints a test gauge in which transparent ink, the first ink with a colouring substance and the second ink with a colouring substance are applied on the area of test gauge formation of print media in that order, and in the test gauge transparent ink are coloured into the second colour and the first colour in the direction from the surface side of the print media to the rear side of the print media in that order.

EFFECT: ink-jet printer capable of increasing the magnitude of colour or density change between the area where the ink with a colouring substance and transparent ink are overlaid on one another, and the area where the ink with a colouring substance and transparent ink are not overlaid on one another, when printing a test gauge using ink with a colouring substance and transparent ink.

21 cl, 67 dwg