Error Messages and Codes 3-61Media Mismatch ErrorsWrong Paper Size; Load Tray 1 (MPT) with [size][type]Tray 1 (MPT) Paper Size mismatch error.Applicable Status Code:Code 176: Wrong Paper Size; Load Tray 1 (MPT) with [size] [type]Initial Actions:■ Inspect the tray to ensure that it is free of obstructions, is loaded withsupported media and the guides are adjusted correctly.■ Cycle printer power.■ If the problem persists, follow the procedure below.Troubleshooting Reference TableApplicable Parts Wiring and Plug/Jack References■ Tray 1 (MPT) No Paper Sensor, PL3.2.5 ■ Paper Size Switch Signals table (page 2-7)■ Print Engine Map 1 - P/J Locator (page 10-5)■ Print Engine Paper Feed Wiring (page 10-26)Troubleshooting Procedure TableStep Actions and Questions Yes No1 Check the Tray 1 (MPT) No Paper Sensorfor evidence of fault or damage:Is there any damage?Replace anydamaged parts.Go to Step 2.2 Test the Tray 1 (MPT) No Paper SensorRun the Service Diagnostics Tray 1 (MPT)No Paper Sensor test.Does the sensor function correctly?Go to Step 4. Go to Step 3.3 Check all pins on the FRONT/DUPHarness for continuity.1. Disconnect P/J13 and P/J135.2. Check continuity between J13<=>J135.Go to Step 4. Replace theFRONT/DUPHarness.4 Check the No Paper Sensor signal at theEngine Control Board.Is there 3.3V at P13-15 when actuated?Replace the NoPaper Sensor(page 8-45)Replace the EngineControl Board(page 8-104).
