HP Laser Jet 3390

7. Removing Stapler Power Supply (HP Laser Jet 3392 MFP only)
a.) Remove one screw (callout 16), and then remove metal strap
b.) Disconnect one connector and remove stapler power supply
8. Removing Power-switch PCA
a.) Disconnect two cable connectors (callout 17) and two screws (callout 18)
NOTE: HP Laser Jet 3392 has one additional connector to disconnect (callout 19)
b.) Separate the power-switch PCA (callout 20) from the printer
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