1.
2.
3.
a. Unload the filament, power machine off.
b. Remove one screw and remove the cover of filament sensor. Figure 5.5-1
c. remove the cover in the middle of chamber and the cover of I/O board (follow steps of 5.1)
d. Unplug J1/J2 in I/O board, and cut the cable ties.
e. Remove 2 screws with 1.5mm Allen-Key, and take the sensor off.