Epson ActionLaser 1600 - Manual (Page 14)

4. Press the EpsonScript board in firmly and secure it using
the supplied screws.
If you do not need to install the LocalTalk interface, go to
“Reinserting the controller board.”
5. Position the LocalTalk interface board so its connector is
over the CN4 connector on the controller board. The
LocalTalk port should show through the opening in the
interface cover.
6. Press the LocalTalk board in firmly and secure it with the
two screws provided.
7. On the printer’s interface panel, remove the white plastic
cap that covers the opening for the LocalTalk connector.
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