Answer: Please check the following contents.

The power cannot be turned ON at all, or the display will be like the picture below.

[Recovery Procedure]
1. Verify the power cable connects to the printer and it is not loose.
2. Reboot the printer with the green switch on the front side.
3. Reboot the printer with the main power switch mounted on the left side.

If you still having the same issue, please contact service.