https://blog.faceutil.com/2020/04/21/%ec%97%a1%ec%86%90-%ec%8a%a4%ed%83%80%ec%9d%bc%eb%9f%ac%ec%8a%a4-cx6900f-%eb%b3%b5%ed%95%a9%ea%b8%b0-%eb%93%9c%eb%9d%bc%ec%9d%b4%eb%b2%84-epson-stylus-cx6900f-all-in-one-driver-win-2000xpvista7-3/