General Troubleshooting 3-87No Paper in Tray [2][3][4][5][6]The No Paper Sensor indicates that the named tray is empty.Initial Actions:■ Cycle the printer's power.■ If the problem persists follow the procedure below.Troubleshooting Reference TableApplicable Parts Wiring and Plug/Jack References■ No Paper Sensor■ No Paper Actuator■ Print Engine Map 12 (see Book 1)■ Print Engine Feeder Board (see Book 1)■ Options Map 5 Paper Tray Controller Board■ Options Map 6 Paper Tray Feeder Board■ Options Paper Tray Sensors and InterconnectTroubleshooting Procedure TableStep Actions and Questions Yes No1 Fill the tray.Does the error occur even if the tray is full?Go to Step 2. Complete2 Check the following for evidence of fault ordamage:■ No Paper Sensor and actuatorIs there any damage?Replace anydamaged parts.Go to Step 3.3 Test the No Paper Sensor. for the affectedtray.Run the Service Diagnostics No PaperSensor test.Does the sensor function correctly?Replace the EngineControl Board (seeBook 1).Go to Step 4.4 Check the No Paper Sensor signal.Does the voltage level change when thesensor is actuated?Go to Step 5. Replace the NoPaper Sensor(page 5-142).5 Check all pins on the TRYSNS1 Harnessfor continuity.Is the harness conductive?Replace the EngineControl Board (seeBook 1).Replace theTRYSNS1Harness.