METHOD AND DEVICE FOR MANAGING INK QUALITY IN AN INKJET PRINTER

摘要

A method of calibrating an inkjet printer, which comprises a fluid circuit (4), a print head (1) connected to the fluid circuit through an umbilical (19), this method comprising at least the following functions: calculate a difference between the viscosity of the ink used in the circuit, and a theoretical viscosity of this ink; as a function of this difference, correct data representative of a characteristic function that relates the pressure at a point referred to as the reference point in the fluid circuit or the print head, the ink density, the ink viscosity, the operating temperature and a velocity referred to as the nominal velocity of the ink jet generated by the print head, to form corrected data for said characteristic function.

主权项

1. Method of calibrating an inkjet printer that comprises a fluid circuit, a print head connected to the fluid circuit through an umbilical, this method comprising at least the following functions:
calculate a difference between the viscosity of the ink used in the circuit, and a theoretical viscosity of this ink, as a function of this difference, correct data representative of a 1st characteristic reference curve that relates the pressure at a point referred to as the reference point in the fluid circuit or the print head, the ink density, the ink viscosity, the operating temperature and a velocity referred to as the nominal velocity of the ink jet generated by the print head, to form corrected data for said characteristic function, thus forming a 2nd characteristic reference curve.