Lỗi 6930 máy in E400 Series; hướng dẫn cách sửa lỗi 6930 máy in E400 Series ~ fix printer E400 Series error code 6930...Tôi muốn hỏi ý kiến về: mã lỗi 6930 trên máy in E400 Series (cùng các series và model tương ứng)...
Turn off the machine, and unplug the power cord of the machine from the power supply. Plug the machine back in and turn the machine back on. If the problem is not resolved, contact the service center.
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