HP Color LaserJet CM4730 Multifunction Printer series - Manual (Page 357)

3. Locate an open EIO slot. Loosen and remove the two retaining screws holding the cover for the
EIO slot, and then remove the cover. You will not need these screws and the cover again. They
can be discarded.
4. Firmly insert the HP Jetdirect print server card into the EIO slot.
5. Insert and tighten the retaining screws that came with the print server card.
ENWW Install an HP Jetdirect or EIO print server card 341