Printing apparatus and a liquid circulation method in a printing apparatus
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United States of America
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Jan 4, 2022
Grant Date -
Mar 25, 2021
app pub date -
Sep 10, 2020
filing date -
Sep 10, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
The liquid L flowed into the bypass communication pipe 93 from the feed reservoir 91f can be returned to the feed reservoir 91f by way of the return reservoir 91r by carrying out the bypass circulation of circulating the liquid L along the bypass circulation channel Cb. Since this bypass communication pipe 93 bypasses the discharge heads H, the liquid L does not pass through the discharge heads H in the bypass circulation. As a result, the liquid L can be circulated between the feed reservoir 91f and the return reservoir 91r while the mixing of foreign substances into the discharge heads H from the respective reservoirs 91f, 91r is suppressed.
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