| abstract |
A liquid cartridge of the present invention has a liquid ejection portion 1 for ejecting liquid droplets, a reservoir E1 for storing liquid, and a communicating member 3 for providing communication between both of them. The reservoir E1 has first and second storage portions 10a, 10b isolated by films 6 to 8 arranged spaced from each other and an atmospheric release portion. When a small diameter portion 5a is inserted into an applied concave portion 4 of the liquid ejection portion 1, a tip 3a of the communicating member 3 breaks through the first to third films 6 to 8 sequentially in the period from the beginning to the end of insertion. Consequently, liquid in the first storage portion 10a is filled into the ejection head 2 and thereafter liquid stored in the second storage portion 10b is filled. |