GRAPHTEC FC 4500 Series Service Manual page 69

6 REPLACEMENT PROCEDURES
(5) Open the bottom chassis full.
M3L6 binding head screw
Power Supply board
(6) Disconnect all cables from the power supply board.
(7) Remove the five M3L6 binding head screws holding the Power Supply board.
(8) Detach the Power Supply board from bottom chassis.
How to install the Power Supply Board
(1) Reattach the Power Supply Board in the reverse order in which it was detached.
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