10/20062-11Phaser 8510/8560MFP Multifunction Product 3,0XX.6x, 4,0xx.4xError Messages and CodesInitial Issue3,0XX.6x IPC Program FaultsA firmware communications error has occurred. The following troubleshooting procedureapplies to these errors:Initial Actions• Reset NVRAM and retest.• If the problem persists, follow the procedure below.Primary CausesThe troubleshooting table lists parts and wiring referenced in the troubleshooting procedure.Troubleshooting Procedure4,0xx.4x Process Control ErrorsThe following troubleshooting procedure applies to these errors:Initial Actions• Check the ambient air temperature.• Check that the system is located in a suitable environment.• If the problem persists, follow the procedure below.Primary CausesThe troubleshooting table lists parts and wiring referenced in the troubleshooting procedure.Troubleshooting ProcedureTable 1 3,000.6x Troubleshooting Reference TableApplicable Parts Wiring and Plug/Jack ReferencesNVRAM, PL 5.0Table 2 I/O Board Error Troubleshooting ProcedureStep Questions or Actions Yes No1 Reseat all Electronics Module connec-tions.Does the problem persist?Go to Step 2. Complete.2 Check ground integrity.Are the system grounds connected?Reset NVRAM. If theerror persists,replace the NVRAMdevice (REP 5.0.9).Reconnect the sys-tem grounds.Process Control Errors4,017.47 The ambient temperature is too low ( < 10°C).4,018.48 The Printhead temperature is too low.4,020.41 Fast Time To Ready (FTTR) mode with head/cap flag set in NVRAM.4,021.42 Fast Time To Ready (FTTR) mode with a dirty Drum.Table 1 4,0xx.4x Troubleshooting Reference TableApplicable Parts Wiring and Plug/Jack ReferencesElectronics Module, PL 5.0 Right Side Wire Routing (2/2), Figure 3Printhead, PL 2.0 Electronics Module, Figure 6Drum Assembly, PL 2.0 Electronics Module Power, Figure 7Drum Heater Relay Board, PL 5.0 Right Side Wire Routing (1/2), Figure 2Drum Temperature Sensor, PL 6.0 I/O Board (2/2), Figure 10Table 2 Process Control Error Troubleshooting ProcedureStep Questions or Actions Yes No1 Test the heaters.Run the Service Diagnostics MonitorHeaters tests with all heaters On.Do the heaters function properly?Replace the Elec-tronics Module (REP5.0.5).Go to Step 3.2 Check the harness to the failed heater.Is the harness damaged?Replace the har-ness.Replace the failedcomponent.
