| 摘要 |
An ink jet printer module is disclosed, which comprises a module body which forms an outer structure of the module; an ink inlet port, a washing liquid inlet port and a pneumatic inlet port which are provided at the module body and are connected with the main ink tank, the washing liquid tank and the pneumatic pump, respectively; an ink flow path, a washing liquid flow path, and a pneumatic flow path which are provided in the interior of the module body and communicate with the ink inlet port, the washing liquid inlet port and the pneumatic inlet port, respectively; a common flow path which is provided in the interior of the module body and selectively communicates with either the washing liquid flow path or the washing liquid flow path, so that the pneumatic and washing liquid can be selectively inputted; an ink opening and closing valve which is provided at the module body for controlling the opening and closing of the ink flow path; a pneumatic and washing liquid selection valve which is provided in the module body and controls either the pneumatic or the washing liquid to be selectively inputted into the common low path; an ink discharge port which is provided in the module body and discharges the ink of the ink flow path to the outside of the module body in accordance with a control of the ink opening and closing valve; and a common discharge port which is provided in the module body and discharges either the pneumatic or the washing liquid of the common flow path to the outside of the module body in accordance with a control of the pneumatic and washing liquid selection valve.
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