40931201TH Rev. 4 189 /4.3 Troubleshooting MethodWhen a problem occurs, go through the troubleshooting according to the following procedure.Problem occursCarry out detailedtroubleshootingaccording to theTroubleshooting Flow(see 4.3.2)Troubleshootingaccording to the LCDStatus Message List(see 4.3.1)Problem displayed bythe LCD messageDUPLEX INPUT JAMREMOVE THE PAPERDUPLEX FEED JAM1REMOVE THE PAPERDUPLEX FEED JAM2REMOVE THE PAPERDUPLEX FEED JAM3REMOVE THE PAPERDUPLEX OPEN JAMREMOVE THE PAPERERROR83Classification LCD Status Message Description Recovery methodTable 4-1Jam ErrorJam ErrorJam ErrorJam ErrorJam ErrorInterface TimeoutInforms that a jam occurs infeeding papers to the DuplexUnit.Informs that a jam occurs inretracting papers into the re-verse roller within the DuplexUnit.Informs that a jam occurs inreversing papers in the re-verse roller within the DuplexUnit.Informs that a jam occurs inimpinge-feeding papers withinthe Duplex Unit.Informs that the 1st tray ispulled out in paper-remainingstate when feeding paperswithin the Duplex.Informs that an I/F time-outoccurs between the printerand Duplex.• Remove all the papers from the inside ofprinter unit and Duplex unit and close thecover.• Remove all the papers from the inside ofprinter unit and Duplex unit and close thecover.• Remove all the papers from the inside ofprinter unit and Duplex unit and close thecover.• Remove all the papers from the inside ofprinter unit and Duplex unit and close thecover.• Remove all the papers from the inside ofprinter unit and Duplex unit and close thecover.• Verify connection of LEX-PCB andsquare-shaped connector. Replace thesquare-shaped connector if necessary.• Replace LEX-PCB4.3.1 LCD Status Message ListThe listing of the statuses and problems displayed in the form of messages on the LCD is providedin Table 4-1.