Please use the following steps to change the input voltage

1. Turn off the machine if it is turned on.
2. Unplug the machine from the power source.
3. Go to the back of the machine and locate the silver panel.
4. Remove the four black screws.
5. Locate the toggle switch with label Voltage.
6. Using the toggle switch set the voltage from 220 to 110.
7. Place the cover panel back on the machine.
8. Install the four screws using your hands DO NOT USE TOOLS.
9. Plug the machine back to the power source.
10. Press the power button and wait until you see the ready message.