Canon USA Inc. IP Division
Printing apparatus
Provided is a printing apparatus in which bubbles in a print head are easily removed. The printing apparatus includes a first one-way valve disposed between the pump and the ink tank in the collection channel, the first one-way valve allowing movement of ink from the pump to the ink tank and blocking movement of ink from the ink tank to the pump; a circulation channel that connects the ink tank to the collection channel at a position between the pump and the first one-way valve, the circulation channel enabling circulation of ink from the ink tank, through the print head, and to the ink tank; and a second one-way valve disposed in the circulation channel, the second one-way valve allowing movement of ink from the ink tank to the pump and blocking movement of ink from the pump to the ink tank.
Canon Kabushiki Kaisha
B B
B41J B41J
inventional inventional
Takeaki Masahiro Susumu Yoshiaki Seiji Yuji Hiroyuki
Nakano Sugimoto Hirosawa Suzuki Suzuki Kanome Tanaka