Check the following:
The Platen Interlock Switch (DC330 [062-300] or DC330 [005-213]) for operation failure. (PL 1.4)
The DADF for improper closing.
The connection between the Platen Interlock Switch J727 and the IIT Trans PWB J722for open circuit and poor contact of the connectors.
The Flat Cable between the IIT Trans PWB J7192 and the Controller PWB J321 for open circuit and poor contact of the connectors.
If no problem is found, replace the Controller PWB. (PL 35.2)
