INK SUPPLY SYSTEM AND INK JET PRINTER
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United States of America Patent
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Issued Date -
Sep 12, 2019
app pub date -
Aug 24, 2017
filing date -
Nov 24, 2016
priority date (Note) -
Published
status (Latency Note)
Importance
Abstract
An ink supply system includes a main flow path including a first end that is connected to an ink container and a second end that is connected to an ink head, a pump that is provided in the main flow path and delivers, when driven, liquid toward a side of the ink head, a bypass flow path including a first connection portion that is connected to a portion of the main flow path, which is located between the pump and the first end, and a second connection portion that is connected to a portion of the main flow path, which is located between the pump and the second end, a valve that is provided in the bypass flow path, and a controller. The pump includes an internal flow path that is capable of switching between an open state and a closed state. The controller is communicably connected to the pump and the valve and is set such that, when the pump is driven from a stopped state and when the pump is stopped from a driven state, the valve is opened.
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