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as valid the usb configuration of the printer is enabled in the TPS390A device
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TPS390
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RKRD69
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Elden
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You should be talking about TPS390L.
The printer of TPS390L is a serial port printer, so the function of TPS390L printer will not be affected because a device occupies the USB port.
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They are connecting external printer via USB but sometimes printer get disconnected and they need to disable and enable usb mode on TPS530 to make it works again. Is there any API or command which can disable and enable USB mode? Currently, we need to open Settings > About > Security Bootloader > tap 5 times
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