B - Operations – Transporting – 41 – J
Patent
B - Operations, Transporting
41
J
B41J 2/195 (2006.01) B41J 2/165 (2006.01) B41J 2/17 (2006.01) B41J 2/175 (2006.01) B41J 2/185 (2006.01)
Patent
CA 2113499
In an ink jet recording apparatus having recovery means for executing the recovery operation of the recording head by discharging ink from the recording head and waste ink storage tank to store the ink exhausted by the recovery means, the amount of waste ink currently stored in the waste ink storage tank is calculated in accordance with the exhaust amount which is exhausted by said recovery means up to the present, the elapsed time since the last recovery operation, and the amount of ink exhausted by the current recovery operation. In this way, it is possible to accurately monitor the amount of ink stored in the waste ink storage tank so that no waste ink is allowed to flow out from the waste ink storage tank. Users can be informed of overflow of the waste ink from the waste ink storage tank to exchange the tank so that a space for the tank can be reduced.
Iwata Kazuya
Uchikata Yoshio
Canon Kabushiki Kaisha
Ridout & Maybee Llp
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