A 2.0 mm Allen key
A 1.5 mm Allen key
A pair of tweezers
A new extruder communication board


https://www.youtube.com/watch?v=pACuX6vFSJ8&feature=youtu.be
Turn the power switch OFF (symbol "〇") and unplug the power supply cable.
Remove the lid.

Loosen the screw securing the tank chain with a 2.5 mm Allen key. Remove the screw with a pair of tweezers.


Loosen the two screws securing the extruder communication cable with a 1.5 mm Allen key. Remove the screws with a pair of tweezers.


Unplug the extruder communication cable.

Release and remove the three screws securing the back cover of the extruder with a 2.0 mm Allen key. Remove the back cover.


Remove the plugs of the extruder communication board with a pair of tweezers.

Release and remove the screw securing the nozzle interface board with a 2.0 mm Allen key. Remove the nozzle interface board.


Release and remove the three screws securing the extruder communication board with a Phillips screwdriver.
Note: Hold the screws to prevent them from falling off with a pair of tweezers.

Organize the cables and remove the old extruder communication board.

Get the new extruder communication board and put it in the installation position.

Tighten the three screws securing the extruder communication board with a Phillips screwdriver.
Note: Hold the screws to prevent them from falling off with a pair of tweezers.


Put the nozzle interface board in the installation position and tighten the screw securing the nozzle interface board.


Insert the plugs on the extruder communication board with a pair of tweezers.

Put the back cover in the installation position and tighten thethree screws securing the back cover of the extruder.


Plug in the extruder communication cable.

Tighten the two screws securing the extruder communication cable.

Put the tank chain in the installation position and tighten the screws securing the tank chain.

Turn the power switch OFF (symbol "〇") and unplug the power supply cable.
On the touch screen, select Settings - Calibration - One-Click self-check - All - Start. The printer is ready for use after the self-check.



