HP 220 - Manual (Page 76)

10 Disconnect the ac connector and the dc powerĆdistribution connector from the powerĆsupply
PCA.
1 Remove the electronicsĆenclosure
cover D page6Ć5.
2 Open the flexible, DANGER HIGH
VOLTAGE," insulation cover.
Flex the cover to open it Do not detach the
cover from the plotter
dc power-distribution
connector ac connector
6Ć12 Removal and Replacement C3187Ć90000
Removing the PowerĆSupply PCA