US 12,134,275 B2
Inkjet recording device
Takuya Ishigai, Hino (JP); Keishi Suzuki, Hino (JP); and Takuya Okada, Hino (JP)
Assigned to Konica Minolta, Inc., Tokyo (JP)
Filed by Konica Minolta, Inc., Tokyo (JP)
Filed on Aug. 10, 2022, as Appl. No. 17/818,774.
Claims priority of application No. 2021-139936 (JP), filed on Aug. 30, 2021.
Prior Publication US 2023/0065145 A1, Mar. 2, 2023
Int. Cl. B41J 2/165 (2006.01)
CPC B41J 2/16552 (2013.01) [B41J 2/16541 (2013.01); B41J 2002/16558 (2013.01)] 17 Claims
OG exemplary drawing
 
1. An inkjet recording device comprising:
an inkjet unit that ejects ink to a recording medium while scanning in a main scanning direction;
a first treatment liquid ejection head that is arranged side by side with the inkjet unit in the main scanning direction, scans together with the inkjet unit, and ejects a first treatment liquid to the recording medium; and
a second treatment liquid ejection head that is arranged side by side with the inkjet unit in the main scanning direction, scans together with the inkjet unit, and ejects a second treatment liquid different from the first treatment liquid to the recording medium, wherein
at least one of the first treatment liquid ejection head and the second treatment liquid ejection head is arranged on both sides of the inkjet unit in the main scanning direction, and
the main scanning direction is orthogonal to a conveyance direction of the recording medium.