Phaser 6121MFP Service Manual 3-75Error Messages and Codes0092 Transfer Belt FailureThe belt positioning sensor does not detect the transfer belt position detectionhole a second time even after the lapse of a predetermined period of time after ithas detected one while the transfer belt is rotated.Initial ActionsPower down and reboot the printer.Procedure4 On the Engine Control Board, check for+24 VDC at P/J2-1, 5, and 7. Check for+5 VDC at P/J2-2.Are the voltages present and withinspecification?Go to step 5. Replace thePower Supply(page 8-72). Ifthe problempersists, go tostep 5.5 Replace the Engine Control Board(page 8-59).Complete.Troubleshooting Reference TableApplicable Parts Wiring and Plug/Jack References■ Imaging Unit, PL4.0.13■ Engine Control Board, PL13.0.20■ Board Locations (page 2-10)■ Sensors and Switches (page 2-11)■ Motors, Fans, and Solenoids(page 2-12)■ Map 1 - Engine Control BoardPlug/Jack Locator (page 10-5)■ Imaging Wiring (page 10-15)Troubleshooting Procedure TableStep Action and Questions Yes No1 Check the Engine Control Boardconnector P/J9.Is the connector seated properly?Go to step 2. Reseat theconnector. Ifthe problempersists, go tostep 2.2 Replace the Imaging Unit.Does the problem persist?Go to step 3. Complete.3 Replace the Engine Control Board. Complete.Troubleshooting Procedure Table (continued)Step Action and Questions Yes No