HP 220 - Manual (Page 97)

8 Carefully feed the frontĆpanel cable out from the electronics enclosure, through the flat
ferrite on the right sideplate, and out from under the motor assemblies.
9 Remove the two screws and washers that attach the frontĆpanel assembly to the right
sideĆplate, and lift the frontĆpanel assembly, with cable, clear of the plotter.
Torx-20
6Ć33 Removal and Replacement C3187Ć90000