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Hello, I have Riso device Rp3700 Electricity comes to the power board and the main board, even the LED lamps of the main board turn on, but the screen does not turn on and nothing can be done. Which part of the device has a problem?
Hello, I have Riso device Rp3700 Electricity comes to the power board and the main board, even the LED lamps of the main board turn on, but the screen does not turn on and nothing can be done. Which part of the device has a problem?