09/20076-49Phaser 8860/8860MFP Service Manual Fax Answers Then Fails, Printhead Troubleshoot-DiagnosticsInitial IssueFax Answers Then FailsThe system answer the incoming call, but the transmission fails.Initial Actions• Check that Fax is enabled and configured properly for the local phone line.• Check that the phone line supports Fax protocols.• Check Fax cord condition and connections between the system and Fax line.• Disable Secure Receive and Junk Fax Prevention during testing.Primary CausesThis is usually a line quality problem. An improperly filtered DSL line could also cause trans-mission errors.Troubleshooting ProcedurePrinthead Troubleshooting ChecklistThis checklist provides the procedure for troubleshooting Printhead problems. Complete thischecklist as part of the Printhead replacement process.Phaser 8860/8860MFP Printhead Troubleshooting ChecklistFigure 1 Printhead Checklist Page 1Table 1 Fax Does Not Answer Troubleshooting ProcedureStep Questions or Actions Yes No1 Print a Protocol Report.Is there a communication failure indicatedafter a CSI/DIS, DCS/TCF, or after (V.34-PH2 or PH3)?Go to Step 2. Change the configu-ration to the correctline type.2 Reduce the Starting Speed to G3 (14.4kbps) and retest.The system uses SuperG3 (33.6 kbps) by default. Some phonelines and older Fax machines do not sup-port this speed.Does the transmission complete?Complete. Reduce the trans-mission speed untilthe connection isreliable.3 Test the Fax from a local machine.Send a test Fax from a local machine.Does the system answer?Check the line. Replace the Elec-tronics Module (REP5.0.5).
