HP Color LaserJet 5500 Printer series - Manual (Page 195)

Installing an HP Jetdirect print server card
You can install an HP Jetdirect print server card in the base model printer, which comes
with an open EIO slot.
To install an HP Jetdirect print server card
1. Turn the printer off.
2. Disconnect all power and interface cables.
Je tLink
FIH
FIR
E10 3
E10 2
E1 01
EN_WW Installing an HP Jetdirect print server card 185