The mechanism to open and easy access to the ink cartridge cavity lid 31 are provided to re-inject the ink in the ink cavity of the ink jet printer cartridge. Ink cartridge cavity opener according to the present invention is composed of two parts of the opener opening for supporting the top lid opener and the lower main body for as shown in FIG. 1. There are holes in the upper and the lower opener opener has a rectangular form, each of the head bored, itgekkeum may be held in a hand grip portion extends out from the head. Ink cartridge cavity opener is easy to open the ink cartridge cavity lid (31) provides an effect that can be used multiple times, so the ink cartridge cavity and discard used disposable fitted by a new transfer ink.
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