Remove any tools from the yoke

Attach glass build plate with blue tape. Keep the screws in reach.
Home the X & Y axes
Go to the park location
Check the probe-battery . The screen should light up when the probe is pushed in.
Attach the probe. (move the table down if it doesn't fit).
Move the table up. (click Enable Z Calibration
first). When the probe touches the build plate, the screen lights up. Zero the indicator.
Unlock build plate. (Using the 4 hex bolts on the side of the heated bed).
Unlock motors. (In Repetrel, go to Functions > Unlock motors
).
Calibrate the bed. Position the probe in all corners, and adjust the Philips screw. Repeat this until the reading is within ±0.01mm.
Lock build plate. (Using the 4 hex bolts on the side of the heated bed).
Remove probe
The bed is now level. This just means it's parallel to the gantry. Because all tools have a different stick-out, the Z-zero must be set for all tools individually.