Patent ID: 6641247
Filing Date: 2003-11-04
Classification: B41J

Abstract:
A liquid discharging apparatus characterized by:a mounting portion for mounting thereon a liquid discharging head provided with a discharge port for discharging liquid therethrough; a cap for covering said discharge port; suction means for effecting suction from said discharge port when said cap covers said discharge port; and control means for causing said cap to cover said discharge port when said liquid discharging head is mounted on said mounting portion, and causing said suction means, in this state, to effect first suction from said discharge port by negative pressure having a first negative pressure curve indicative of a relation between the negative pressure in said cap for suction and a time interval elapsed, and then causing said suction means to effect second suction from said discharge port by negative pressure in a second negative pressure curve smaller in a frequency of occurrence of a peak of the negative pressure per unit time as compared with said first negative pressure curve with said cap caused to cover said discharge port.