The Trailing Cable has been incorrectly
connected.
Corrective Action:
Try the following:
-Power the Printer OFF disconnect the Trailing
Cable. Replace the Trailing Cable if the ends are not flat or are
damaged. Reconnect the Trailing Cable correctly, making sure it
is pushed in firmly (refer to the instructions on page (See Trailing
Cable). Power ON the Printer and check if the Error
Code has disappeared.
-If the error code continues, replace the Main
PCA taking care when connecting the Trailing Cable.