09/20072-47Phaser 8860/8860MFP Service Manual 37,037.46 and 37,038.47, 37,039.48 and 37,040.40Error Messages and CodesInitial Issue37,037.46 and 37,038.47 PEST Media Drive FaultsA Media Drive Assembly error has occurred. The following troubleshooting procedure appliesto these errors:Initial Actions• Check for obstructions to Media Drive rotation.• If the problem persists, follow the procedure below.Primary CausesThe troubleshooting table lists parts and wiring referenced in the troubleshooting procedure.Troubleshooting Procedure37,039.48 and 37,040.40 PEST Process Drive FaultsA Y-Axis Motor error has occurred. The following troubleshooting procedure applies to theseerrors:Initial Actions• Check for obstructions to Process Drive rotation.• Check the rotation of the Drum Maintenance and Transfix Roller shafts.• If the problem persists, follow the procedure below.Primary CausesThe troubleshooting table lists parts and wiring referenced in the troubleshooting procedure.Troubleshooting ProcedurePEST Media Drive Faults37,037.46 The Media Drive Motor is drawing less power than expected.37,038.47 The Media Drive Motor is drawing too much power.Table 1 37,037.46 and 37,038.47 Troubleshooting Reference TableApplicable Parts Wiring and Plug/Jack ReferencesMedia Drive, PL 4.0 Left Side Harness (2/2) - Figure 7Electronics Module, PL 5.0 Left Side Wire Routing (2/2) - Figure 5Table 2 PEST Media Drive Faults Troubleshooting ProcedureStep Questions or Actions Yes No1 Test the Media Drive Motor.Run the Service Diagnostics Media PathMotor test.Does the motor operate correctly?Replace the Elec-tronics Module (REP5.0.5).Go to Step 2.2 Check wiring to the motor.Is the wiring damaged?Repair or replace theharness.Replace the MediaDrive (REP 4.0.14).PEST Process Drive Faults37,039.48 The Process Drive Motor is drawing less power than expected.37,040.40 The Process Drive Motor is drawing too much power.Table 1 37,039.48 and 37,040.40 Troubleshooting Reference TableApplicable Parts Wiring and Plug/Jack ReferencesProcess Drive, PL 4.0 Right Side Harness / I/O Control - Figure 10Electronics Module, PL 5.0Table 2 PEST Process Drive Faults Troubleshooting ProcedureStep Questions or Actions Yes No1 Check shaft rotation.Do the Process Drive gears, TransfixShaft, and Drum Maintenance shaft rotatefreely?Go to Step 2. Repair or replaceaffected parts.2 Test the Process Drive Motor.Run the Service Diagnostics ProcessMotor test.Does the motor operate correctly?Replace the Elec-tronics Module (REP5.0.5).Go to Step 3.3 Check wiring to the motor.Is the wiring damaged?Repair or replace theharness.Replace the Pro-cess Drive (REP4.0.7).
