Network printing Installing an HP JetDirect EIO card Step 1 Turn the printer off, and disconnect the power cord. Figure 22. Power cord. Step 2 Open the interface cable door by pressing on the release tabs. Disconnect all interface cables. Figure 23. Interface cables. Step 3 Locate the EIO slot. Firmly insert the HP JetDirect EIO card into the EIO slot. Install the retaining screws. Figure 24. HP JetDirect EIO card. 56 Chapter 3 Printer configuration C7058-90936