4-24 Phaser 6121MFP Service ManualGeneral TroubleshootingFax Failure After Continuous Normal OperationThe Fax has failed to send or receive after continuous normal operation. Thefollowing troubleshooting procedure applies to this error.Initial Actions• Disconnect all the devices other than the Fax machine.• Cycle printer power.• If the problem persists, follow the procedure below.Troubleshooting Reference TableApplicable Parts Wiring and Plug/Jack Map References■ Image Processor Board,PL13.0.29/30■ Map 3 - Fax Board Plug/Jack Locator(page 10-7)Troubleshooting Procedure TableStep Actions and Questions Yes No1 Check the error message on the ControlPanel.Is there an error code?Refer to theappropriateerror codeprocedure(“ErrorMessagesand Codes”on page 3-1).Go to step 2.2 Has the Fax machine been relocated? Refer to “FaxFailure AfterInstallation/Relocation” onpage 4-22).Go to step 3.3 Has the line contract been switched toISDN/xDSL or IP-phone?Check the Faxconfigurationfor theTA/xDSLmodem, etc.Go to step 4.4 Has there been any change of linecontract for the line type (Pulse to Tone,Tone to Pulse, etc.)?Correct theLine Typesetting.Go to step 5.5 Does the manual dialing functionproperly?Go to step 6. Replace theImageProcessorBoard(page 8-66).
