15.Maintenance- disassemble the upper cover
First move the nozzle unit to where close to the origin .
Diagram 1: Remove the screws used for fixing of top cover,
Diagram 2: Press the position indicated by red arrow from the inside,
open the buckles on both sides of the top cover and move them
upward simultaneously
disengage the buckles, and the top cover is removed.
Diagram 1
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Diagram 1: Move the nozzle unit to where close to the origin first before assembly.
Diagram 2: Then align the positioning pins of the upper cover with the holes of the
mounting plate.
Press the upper cover down again, and then lock the removed screws to the
corresponding positions.
Diagram2
Diagram 1
Diagram 2