Step 1 Make sure the USB or parallel interface card is installed.  Install the USB or parallel interface card. For more information, see Installing an Internal Solutions Port. Print a menu settings page, and then check if the USB or parallel interface card is listed in the Installed Options list.
Is the USB or parallel interface card listed in the Installed Options list? | Go to step 2. | Check if you have a supported USB or parallel interface card. Note: A USB or parallel interface card from another printer may not work on this printer. |
Step 2 Check if you are using the correct cable and if it is connected securely to the USB or parallel interface card. Is the correct cable securely connected to the USB or parallel interface card? | Contact customer support. | Connect the cable to the USB or parallel interface card connector. |