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test shaft guide distance between the two ends and the base,
Make the metal parts at both ends of the X-axis guide just touch
the glue stick or print model.
4.4.2Leveling Heating Platform:
(1) “Info screen” Press the knob,Rotate select“Prepare”,Click
OK:
(2) Select“Manual Bed Leveling”in Submenu,Click OK:
(3) First printer will Perform homing,Then extruder moves
to the first adjustment point in the lower left corner of the
hot bed.