When homing the axis is finished. You can click LCD
button→Prepare
→Change filament
Choose “Preheat PLA” the hotend will heating then you need to click
the LCD button to continue.
You can click” Purge more” a few times till the filament comes out of
the nozzle.
4.2 Levelling the 3d printer on manual mode
To make 3d printer have better printing result, levelling bed before
printing.
You can refer to these steps to levelling the 3d printer.
4.2.1 Levelling gantry frame
Before you levelling the heated bed, please make sure gantry frame is
perpendicular to Z axis aluminum extrusions, you can calibrate the
couplers
to make the frame same scale on both Z axis aluminum
extrusions.
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