18791879. INKJET PRINTING APPARATUS (SCREEN Holdings Co., Ltd.)
INKJET PRINTING APPARATUS
Organization Name
Inventor(s)
Hideaki Onishi of Kyoto-shi JP
INKJET PRINTING APPARATUS
This abstract first appeared for US patent application 18791879 titled 'INKJET PRINTING APPARATUS
Original Abstract Submitted
This apparatus includes an external tank in which ink is stored outside a circulation path, a branch pipe connecting a branch point on the circulation path and the external tank, an external pump that delivers ink from the external tank to the circulation path, a switch valve, and a temperature sensor that detects a temperature of ink in the circulation path. The switch valve can switch between a state in which the external tank communicates with the branch point via the external pump and the branch pipe and a state in which the external tank communicates with the branch point not via the external pump, but via the bypass pipe. When a result of detection by the temperature sensor is out of a predetermined range, a control unit can deliver ink in the circulation path to the external tank via the bypass pipe.