Hi hmctech,
Please follow the below mentioned steps:
Press (Menu) > System Setup > Machine Setup on the control panel of the pinter and select “Wakeup Event”.
You can set the condition to wake up from power-save mode. Set the item on.
- Button Press: When you press any button except power button, the machine wake up from the power save mode.
- Scanner: When you insert paper in the document feeder, the machine wake up from the power save mode.
- Printer: When you open or close the paper tray, the machine wake up from the power save mode.
Please select the suitable option and check.