Patent ID: 6543876
Filing Date: 2003-04-08
Classification: B41J

Abstract:
An ejection recovery system for a liquid ejection head including an array of ejection openings for ejecting liquid and a recessed surface provided with the array of said ejection openings and along the array of said ejection openings, liquid passages communicated with said ejection openings, and ejection energy generating elements provided in said liquid passages and generating energy sufficient for ejecting said liquid, comprising:a cover member having a cover opening for covering at least one of said ejection openings and moving along said recessed surface during contacting with said surface provided with said ejection openings of said liquid ejection head arranged for orienting said surface including said ejection openings to an upward direction; and suction means for generating a vacuum pressure introduced into a space defined by said cover member and said surface including said ejection openings and for performing suction from said at least one of said ejection openings covered by said cover member through said cover opening as said surface including said ejection openings orients to the upward direction.