Patent ID: 6227646
Filing Date: 2001-05-08
Classification: B41J

Abstract:
An ink jet recording apparatus using a recording head, the recording head having an ejection condition in which the recording head ejects an ink fluid onto a recording medium, the apparatus comprising:an ejection recovery means for performing ejection recovery operations for maintaining a desired said ejection condition of said recording head by causing the ink fluid to flow in said recording head;an automatic recovery operation control means for causing said ejection recovery means to perform an ejection recovery operation on a predetermined occasion;an input means for inputting a command to the ejection recovery means to perform an ejection recovery operation in response to an action of a user of said ink jet recording apparatus;a memory means for memorizing a first number and a second number, the first number being a number of times that the ejection recovery operations have been performed by said ejection recovery means in response to the command inputted by said input means and the second number being a number of times that the ejection recovery operations have been performed by said ejection recovery means in response to being caused by said automatic recovery operation control means; anda recovery operation amount control means for controlling an upcoming amount of an ejection recovery operation to be performed by said ejection recovery means based on the first number and the second number memorized by said memory means.