09/20072-38 Phaser 8860/8860MFP Service Manual33,00X.4x, 34,00X.4xInitial IssueError Messages and Codes33,00X.4x Tray 1 Width Sensor FaultsThe Paper Width Sensor, located in the Tray 1/Front Door Assembly is reporting out of rangevalues. The following troubleshooting procedure applies to these errors:Initial Actions• Check electrical connection to Tray 1 (P/J650).• Check for obstructions or damage to the Media Guides.• If the problem persists, follow the procedure below.Primary CausesThe troubleshooting table lists parts and wiring referenced in the troubleshooting procedure.Troubleshooting Procedure34,00X.4x Printhead NVRAM FaultsThe Printhead is unable to access system NVRAM. The following troubleshooting procedureapplies to these errors:Initial Actions• Check data connection to the Printhead.• Check for obstructions or damage to the Media Guides.• If the problem persists, follow the procedure below.Primary CausesThe troubleshooting table lists parts and wiring referenced in the troubleshooting procedure.Troubleshooting ProcedureTray Manager Device Faults33,001.42 Tray 1 width value too low.33,002.43 Tray 1 width value too high.Table 1 33,00x.4x Troubleshooting Reference TableApplicable Parts Wiring and Plug/Jack ReferencesTray 1/Front Door Assembly, PL 1.0 I/O Board (2/2) - Figure 12Table 2 Tray 1 Width Sensor Faults Troubleshooting ProcedureStep Questions or Actions Yes No1 Check the Tray 1 Harness connection tothe I/O Board (P/J610).Is the connection secure and the harnessundamaged?Go to Step 2. Repair or replace theharness.2 Test the Width Sensors.Run the Service Diagnostics Tray 1 WidthSensor test.Does the sensor operate correctly?Replace the I/OBoard (REP 5.0.13).Replace the Tray 1/Front Door Assem-bly (REP 1.0.1).Printhead NVRAM Faults34,001.43 An error occurred while attempting read/write access to the Printhead calibra-tion partition in NVRAM. The Printhead cable may be unplugged.34,002.44 An error occurred while attempting read/write access to the Printhead ink datapartition in NVRAM.34,003.45 An error occurred while attempting read/write access to the Printhead data par-tition in NVRAM.34,004.46 An error occurred while accessing the Printhead NVRAM hardware for pur-poses of initialization. The Printhead cable may be unplugged.Table 1 34,00x.4x Troubleshooting Reference TableApplicable Parts Wiring and Plug/Jack ReferencesPrinthead, PL 2.0 Electronics Module - Figure 8Printhead Interface Cable, PL 5.0 Electronics Module - Figure 8Table 2 Printhead NVRAM Fault Troubleshooting ProcedureStep Questions or Actions Yes No1 Check the Printhead data cable connec-tions (P/J3 and P/J180).Are the connections secure and the cableundamaged?Go to Step 2. Repair or replace thecable.2 Replace the Printhead (REP 2.0.2).Does the error persist?Replace the Elec-tronics Module (REP5.0.5).Complete.