Aficio cl7300 Setup Manual page 76

Installing Options
D
Remove the four screws fastening the controller board to the back of the
printer, using the provided screwdriver.
The removed screws will be used later to fasten the controller board.
E
Holding the handle, slowly pull out the controller board.
Put the controller board down on a flat surface.
F
You must install the user account enhance unit in the position as
shown.
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