Step 4:
Place a piece of paper on the LCD
Prepare a piece of A4 paper (roughly 0.07-0.10 mm thick) and lay it flat on the LCD screen.
This piece of paper will be used for leveling the building plate.
Step 5:
Settings
On the touch panel, click TOOLS, then click Z CALIB on your touch panel to begin the
calibration process. Click NEXT and wait for 1-2 minutes as the building plate extends to the
LCD screen.