US 12,030,322 B2
Printing apparatus, pretreatment agent injection device, and printing method
Tomoyuki Oi, Matsumoto (JP)
Assigned to Seiko Epson Corporation, Tokyo (JP)
Filed by SEIKO EPSON CORPORATION, Tokyo (JP)
Filed on Mar. 9, 2022, as Appl. No. 17/654,198.
Claims priority of application No. 2021-039068 (JP), filed on Mar. 11, 2021.
Prior Publication US 2022/0288935 A1, Sep. 15, 2022
Int. Cl. B41J 2/21 (2006.01); B41J 2/165 (2006.01); B41J 29/13 (2006.01); B41M 5/00 (2006.01)
CPC B41J 2/2114 (2013.01) [B41J 2/16505 (2013.01); B41J 29/13 (2013.01); B41J 2202/21 (2013.01); B41M 5/0011 (2013.01); B41M 5/0017 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A printing apparatus comprising:
a support portion supporting a medium;
a jetting unit configured to jet a pretreatment agent onto the medium supported on the support portion;
a lid member to which the jetting unit is attached, the lid member being configured to cover a printing region of the medium by contacting the support portion so as to define an interior space including the printing region of the medium;
an ejecting unit configured to eject ink onto the printing region to which the pretreatment agent is jetted from the jetting unit; and
a moving unit configured to move the support portion to a first position at which the lid member is configured to cover the printing region and a second position at which the ejecting unit is configured to eject the ink onto the printing region and at which the lid member does not cover the printing region.