Liquid injection method, liquid injection device, and liquid cartridge

Abstract

Provided are a liquid injection method, a liquid injection device, and a liquid cartridge capable of suppressing a wasteful consumption of a liquid. To this end, the liquid injection method is to eject a liquid from a liquid injector to a liquid cartridge including a liquid ejection head that ejects the liquid, a channel that is connected to the liquid ejection head and is capable of supplying the liquid to the liquid ejection head, and an opening portion that is connected to the channel and is provided to be wider than the channel. The methods includes directly injecting the liquid into the channel.

Dependencies are inferred from the claim text.