HP LaserJet MFP Upgrade Kit for HP LaserJet 8000 and 8100 Printers - User Guide, not orderable

Chapter 1 HP Digital Copy 35
HP Digital Copy Installation
Install the Copy Connect EIO Board
CAUTION Make sure that the printer is turned off.
Insert the Copy Connect EIO Board that came with the HP Digital Copy into an
open EIO slot on the printer. (Use the screws that are in the existing EIO cover
to install the Copy Connect EIO Board.)
Note If a cover is on the open slot, use a screwdriver to remove the two screws.
Remove the cover and install the Copy Connect EIO Board.