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US 12,605,937 B2Granted
Image forming apparatus
AssigneeKonica Minolta, Inc.
InventorsKatsuhiro Umeda, Shigetaka Kurosu, Yusuke Nishisaka, Hiroshi Akita
Life of this patent
Estimating the term…
Abstract
An image forming apparatus includes a main tank that stores an ink, an ink head that ejects the ink, a first supply channel connected to the main tank, a second supply channel for supplying the ink from the first supply channel to the ink head, and a discharge channel for discharging the ink from the first supply channel without allowing the ink to pass through the ink head. The second supply channel is provided with a first supply valve, and the discharge channel is provided with a discharge valve.
Claims15
An image forming apparatus comprising:
- a main tank that stores ink;
- an ink head that ejects the ink;
- a waste liquid tank;
- a first supply channel connected to the main tank;
- a second supply channel for supplying the ink from the first supply channel to the ink head;
- a discharge channel for discharging the ink from the first supply channel to the waste liquid tank without allowing the ink to pass through the ink head;
- and
- a switching valve that switches a channel to be connected to the first supply channel, between the second supply channel and the discharge channel.
5 more elements
Dependencies are inferred from the claim text.