C5500n Userís GuideDisplay Panel Messages ï 107CHECK FUSER320: FUSER MISSINGThe fuser unit is notproperly installed.Open the top coverand check to be surethat the fuser unit isproperly seated in theprinter and that thelock levers are pushedall the way toward theback of the printer:c53_61a_fuser3.jpgCHECK MP TRAY390: PAPER JAMPaper has jammedwhile exiting the MPTray.Clear the jam. SeeìJam 390î, onpage 128.CLOSE COVER316: DUPLEX COVER OPENThe duplex cover isopen or not properlylatched.Close the duplexcover:c53_95_duplexjam_Crop.jpgCLOSE COVERnnn: COVER OPENEither the top coveror the front cover isopen.Be sure both the topcover and the frontcover are firmlyclosed.INSTALL PAPER CASSETTE430: TRAY 1 MISSINGTray 1 is notinstalled in theprinter.Install the missingtray.INSTALL PAPER CASSETTE440: TRAY 1 OPENTray 1 is notproperly installed inthe printer.Make sure the tray ispushed fully into theprinter.Message Meaning What to Do
