Press the "power" button, the printer does not respond, how to do?
Unplug the power cord from the power adapter and re insert. Insert the power cord directly into the power socket on the wall. If the power cord is inserted into the external power adapter panel, please insert the power cord directly into the power socket on the wall. If the light is still not boot or the printer power adapter is not bright, please change to a power outlet in the position to try, if the indicator light can boot or light power adapter, a power socket that has a problem.
The printer automatically opens power protection function: because the printer is external power adapter, so when a fatal error occurred when the printer, the printer is connected and the power adapter has a power protection state, even if inserted into other functional printing machine, also not to power. The correct solution is to operate the printer. Make sure the printer is properly connected to the power cord or the power adapter. Check that the "power" button is always on, and that the printer must press the "power" button. To determine the specific hardware failure, the printer caused by the hardware failure is not power, please perform the following operations to determine: check the printer power adapter, to ensure the use of the correct power adapter. Unplug the power adapter from the power socket. Unplug the printer data line from the printer. Unplug the power line from the printer and wait half a minute, then re insert the power cord into the printer to make sure it is ready.
The cause of the fault is the need to determine the printer's failure to turn on the power supply. The reason is that the printer is not powered because the method is incorrect. There is no power line on the printer, or there is no connection between the power adapter and the power cord. Due to the hardware fault caused by the printer does not power, there are several cases: the external power adapter fault caused by no electricity. The fault caused by the circuit board penholder without electricity. The power failure of the main board or the power board causes no electricity.