Epson EPI-4000 User Manual page 129

Using a Memory Board
9. Secure the memory board with the three screws that come with
the memory board, as shown below.
10. Move the paper guides to the right almost as far as they go.
(Leave a small gap between the right paper guide and the edge
of the paper tray.) Then slide the option board cover underneath
the paper guides and fit it back into place. Secure the option
board cover with the screw.
Options
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