General Troubleshooting 3-33Close Right Door C for Tray [3][4][5][6]The Door C Detect Sensor for one of the option trays indicates that Door C is open.Initial Actions:■ Ensure that the door is free of obstructions and fully closed.■ Verify that the Detect Sensor Actuator molded into the Door is not damaged.■ Cycle printer power.■ If the problem persists, follow the procedure below.Troubleshooting Reference TableApplicable Parts Wiring and Plug/Jack References■ Door C■ Door C Detect Sensor■ Option Feeder Board■ Motor Driver Board■ Print Engine Map 3 (page 10-6)■ Options Map 5, Paper Tray Controller Board■ Options Paper Tray Sensors and Interconnect WiringTroubleshooting Procedure TableStep Actions and Questions Yes No1 Check the following for evidence of fault ordamage:■ Door C Detect Sensor Actuator■ Door C Detect Sensor Holder■ Door C Detect SensorIs there any damage or misalignment?Replace anydamaged parts.Go to Step 2.2 Test the Door C Detect Sensor.Run the Service Diagnostics Door C testfor the appropriate tray.NOTE: Door sensor tests are located underthe Interlock Switches sub-menu.Does the switch function correctly?Replace the EngineControl Board(page 8-112).Go to Step 3.3 Replace the Door C Detect Sensor.Does the error persist?Go to Step 4. Complete.4 Check for +0V on the OPTIF connection.Is there +0 V at OPTIF-7 when the door isclosed?Replace the EngineControl Board (seeBook 1).The Door C sensoris signaling anopen condition, goto Step 5.5 Check for +0V on the FFSNS connector ofthe Option Control Board.Is there +0 V at FFSNS-8 when the door isclosed?Replace the OptionControl Board.If the wiring fromthe Option ControlBoard to thesensor is OK,replace the sensor.