Patent ID: 8833897
Filing Date: 2014-09-16
Classification: B41J

Abstract:
1. An inkjet recording device comprising: an inkjet head that is equipped with a nozzle for discharging ink; a flow path configured to supply ink to the inkjet head; a pressure adjustment unit configured to adjust a pressure inside the flow path; a maintenance unit configured to wipe the nozzle of the inkjet head; and a controller configured to execute a maintenance mode of the inkjet head by controlling the pressure adjustment unit and the maintenance unit, wherein the controller in the maintenance mode is configured to: control the maintenance unit to wipe the nozzle of the inkjet head after the pressure adjustment unit adjusts the pressure inside the flow path to a first positive pressure, and then control the maintenance unit to wipe the nozzle of the inkjet head again after the pressure adjustment unit adjusts the pressure inside the flow path to a first negative pressure, and control the pressure adjustment unit to adjust the pressure inside the flow path to a second negative pressure that is smaller than the first negative pressure.