PRINTING APPARATUS AND CONTROL METHOD

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PRINTING APPARATUS AND CONTROL METHOD

This abstract first appeared for US patent application 20240408884 titled 'PRINTING APPARATUS AND CONTROL METHOD

Original Abstract Submitted

there are provided a circulation path which can supply printing material to a printing element board having nozzle capable of ejecting printing material and collect printing material not ejected from the printing element board, an acquisition unit which acquires information on concentration of printing material circulating through the circulation path, and a discharge control unit which executes discharge control of printing material concentration in which printing material is discharged from the circulation path and the circulation path is supplied with an amount of printing material corresponding to a discharge amount according to the information on concentration. in a case where the discharge control is executed, the discharge control unit selectively executes one of first discharge control in which a discharge amount of printing material concentration is a first discharge amount and second discharge control in which the discharge amount is a second discharge amount greater than the first discharge amount.