The Power LED and Error LED will let you know the status of mPOP, for instance if it is in normal standby, if it is waiting for Bluetooth pairing to be performed, and also if an error occurs (for example if the printer is out of paper).
For normal use
Power off status.
Power on, standby status.
Bluetooth is being initialized.
A USB device for which only USB charging is supported is connected to the USB port.
<Connectable USB conpatible products: BCR-POP1, SCD222U and DS9208>
When tablets and such are connected for charging, it will blink for about 5 seconds and return to the status display.
USB hub has been connected.
(USB hub cannot be used)
Will blink for about 5 seconds after the USB hub has been connected, and return to the status display.