US 12,280,600 B2
Method for manufacturing refilled ink container
Noriyuki Fukasawa, Matsumoto (JP)
Assigned to SEIKO EPSON CORPORATION, Tokyo (JP)
Filed by SEIKO EPSON CORPORATION, Tokyo (JP)
Filed on Mar. 9, 2023, as Appl. No. 18/180,909.
Claims priority of application No. 2022-036896 (JP), filed on Mar. 10, 2022.
Prior Publication US 2023/0286279 A1, Sep. 14, 2023
Int. Cl. B41J 2/175 (2006.01)
CPC B41J 2/17506 (2013.01) [B41J 2/17513 (2013.01); B41J 2/17523 (2013.01)] 2 Claims
OG exemplary drawing
 
1. A method for manufacturing a refilled ink container, the method comprising:
a first step of pouring a cleaning solution into a used ink container including a liquid flowing portion and a liquid accommodating portion through the liquid flowing portion to fill the liquid accommodating portion with the cleaning solution, the liquid flowing portion being configured to supply and discharge liquid;
a second step of discharging the cleaning solution in the liquid accommodating portion through the liquid flowing portion together with a residue remaining in the liquid accommodating portion; and
a third step of, after the second step, pouring refill ink into the ink container through the liquid flowing portion to fill the liquid accommodating portion with the refill ink,
wherein in the first step, the ink container is vibrated after the liquid accommodating portion is filled with the cleaning solution.