Caution: When checking the electronics, ensure the printer is turned off and unplugged.

Visually inspect all wires of the printer, making sure that none of them are showing signs of wear.

Check the terminals on the power supply. If loose, tighten with a Phillips screwdriver.

Check the terminals and other connections on the Einsy main board. If loose, tighten with a Phillips screwdriver.

Note: All screws should be tightly fastened, all wires should be firmly plugged in, and the electronics should be free of any burn marks, corrosion, or melted plastic. Contact the manufacture's customer support if you find any defects.