US 11,787,210 B2
Printing system, treatment apparatus, and method of reusing cleaning liquid
Satoru Kobayashi, Shiojiri (JP); Shigenori Nakagawa, Tatsuno-machi (JP); Shin Komatsu, Shiojiri (JP); and Yoshitaka Miyajima, Matsumoto (JP)
Assigned to SEIKO EPSON CORPORATION, Tokyo (JP)
Filed by SEIKO EPSON CORPORATION, Tokyo (JP)
Filed on Nov. 24, 2021, as Appl. No. 17/534,543.
Claims priority of application No. 2020-194444 (JP), filed on Nov. 24, 2020.
Prior Publication US 2022/0161581 A1, May 26, 2022
Int. Cl. B41J 29/17 (2006.01)
CPC B41J 29/17 (2013.01) 11 Claims
OG exemplary drawing
 
1. A printing system comprising:
a transporting belt configured to support and transport a medium;
a liquid jetting unit configured to perform a printing operation by jetting a liquid to the medium;
a cleaning liquid storage unit configured to store a cleaning liquid;
a cleaning unit configured to perform a cleaning operation of the transporting belt using the cleaning liquid stored in the cleaning liquid storage unit;
a coagulation tank configured to store the cleaning liquid used for cleaning operation and to which a coagulating agent is added; and
a separation unit configured to separate the coagulated material, produced by coagulation caused by adding the coagulating agent to the cleaning liquid, from the cleaning liquid, wherein
the cleaning liquid from which the coagulated material is separated by the separation unit is supplied to the cleaning liquid storage unit.