4.Remove the screw (1) securing the right-hand side cover.

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5.Lift the edge of the side cover slightly at the two points shown, and pull the cover away from the printer at the top. Lift the cover slightly to detach it from the printer. Place it safely to one side.

6.Slide the access door in the metal plate and open.

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7.Plug the end of the connecting cable (1) into the disk unit connector (2) in the printer.

8.Tighten the two thumbscrews (3).

9.Close the top of the side cover up to the printer and refit the securing screw removed in step 4.

Installing upgrades > 158