Ink filling machine

The utility model relates to an ink filling machine. The priming machine includes at least one component consisting of an ink injector, a waste ink bottle, an ink reservoir, and a three-way valve. The three-way valve is respectively connected to the ink injection head, the waste ink bottle and the ink reservoir through three lines. The waste ink bottle also has a pipeline which can be connected to a vacuum source. Compared with the prior art, the utility model can refill and inject ink on the inkjet printer cartridge, thereby reducing the user's use cost and reducing the environmental pollution.