Error Messages and Codes 3-33Jam at Duplex EntranceMedia reached the Fuser Exit Sensor, but did not reach the Duplex Entrance Sensoron time. This error represents a jam at the Duplex entrance or in the Exit Assembly.Applicable Status Code:Code TC3: Jam at Duplex EntranceInitial Actions:■ Check for obstructions or debris in the output paper path.■ Reseat the Duplex Unit.■ Cycle printer power.■ If the problem persists, follow the procedure below.Troubleshooting Reference TableApplicable Parts Wiring and Plug/Jack References■ Duplex Unit, PL16.1.0■ Duplex Entrance Sensor, PL16.1.4■ Exit Assembly, PL11.1.0■ Fuser Motor, PL2.1.9■ Motor Driver Board, PL2.1.10■ Print Engine Map 5 (page 10-8)■ Print Engine Map 6 (page 10-9)■ Print Engine Map 11 (page 10-14)■ Print Engine Rear Sensor Board (page 10-29)■ Print Engine Motor Driver Board (5/6) (page 10-35)■ Options Map 4, Duplex Unit Controller Board■ Options Duplex Unit Sensors and Interconnect WiringTroubleshooting Procedure TableStep Actions and Questions Yes No1 Check the following for evidence of fault ordamage:■ Duplex Unit■ Exit Gate■ Exit Assembly■ Duplex GateAre there any defects?Replace anydamaged parts.Go to Step 2.2 Test the Duplex Entrance Sensor.Run the Service Diagnostics DuplexEntrance (IN1) Sensor test.Does the sensor function correctly?Go to Step 4. Replace the DuplexEntrance Sensor, ifthe error persists,go to Step 3.3 Check DUPLEX Harness continuity.Is the DUPLEX Harness conductive?Go to Step 4. Replace theDUPLEX Harness.