76 _TroubleshootingUNDERSTANDING DISPLAY MESSAGESMessages appear on the control panel display to indicate the machine’sstatus or errors. Refer to the tables below to understand the messages’meaning and correct the problem if necessary. Messages and theirmeanings are listed in alphabetical order.• If the message is not in the table, cycle the power and try the jobagain. If the problem persists, call for service.• When you call for service, it is very convenient to provide theservice representative with the contents of display message.• xxx indicates the media type.MESSAGE MEANING SUGGESTEDSOLUTIONSADC NotConfirm ErrorA problem hasoccurred in the ADCin the machine.Turn the power switchoff and on. If the problempersists, call for service.Cancel?W Yes XYour machine’smemory has becomefull while trying tostore an original intomemory.To cancel the fax job,press the OK button toaccept Yes.If you want to send thosepages that have beensuccessfully stored,press the OK button toaccept No. You shouldsend the remainingpages later, whenmemory is available.[COMM. Error] The machine has acommunicationproblem.Ask the sender to tryagain.Connection Error Connection with theSMTP server failed. Check the serversettings and the networkcable.Data Read FailCheck USB Mem.Time expired whilereading data. Try again.Data Write FailCheck USB Mem.Storing to the USBmemory failed. Check the available USBmemory space.Deve Home SensorErrorThere is a problem inthe fuser unit. Turn the power switchoff and on. If the problempersists, call for service.[Document Jam] The loaded originalhas jammed in theADF.Clear the jam. (See"Clearing documentjams" on page 72.)Door Open The front cover or rearcover is not securelylatched.Close the cover until itlocks into place.Enter Again You entered anunavailable item. Enter the correct itemagain.File FormatNot SupportedThe selected fileformat is notsupported.Use the correct fileformat.Group NotAvailableYou have tried toselect a group locationnumber where only asingle locationnumber can be used,such as when addinglocations for a MultipleSend operation.Use a speed dial numberor dial a numbermanually using thenumber keypad.InstallImaging UnitThe imaging unit isnot installed. Install the imaging unit.Install TonerTThe toner cartridge isnot installed. Install the tonercartridge.Invalid TonerTThe toner cartridgeyou have installed isnot for your machine.Install the a Samsung-genuine toner cartridgedesigned for yourmachine.[Incompatible] The machine hasreceived a fax fromwhich is registered asa junk fax.The received fax datawill be deleted.Reconfirm junk faxsetup. (See "Receivingoptions" on page 57.)IP Conflict The network IPaddress you have setis being used bysomeone else.Check the IP addressand reset it if necessary.(See "Setting up thenetwork" on page 27.)Line Busy The receiving faxmachine did notanswer or the line isalready engaged.Try again after a fewminutes.[Line Error] Your machine cannotconnect with thereceiving fax machineor has lost contactbecause of a problemwith the phone line.Try again. If the problempersists, wait an hour orso for the line to clearand try again.Or, turn the ECM modeon. (See "Sendingoptions" on page 57.)Low Heat ErrorCycle PowerThere is a problem inthe fuser unit.Turn the power switchoff and on. If the problempersists, call for service.LSU Motor ErrorCycle PowerA problem hasoccurred in the LSU(Laser Scanning Unit.)Turn the power switchoff and on. If the problempersists, call for service.LSU Hsync ErrorCycle PowerA problem hasoccurred in the LSU(Laser Scanning Unit.)Turn the power switchoff and on. If the problempersists, call for service.Mail ExceedsServer SupportThe mail size is largerthan the supportedsize by SMTP server.Divide your mail orreduce the resolution.Main MotorLockedThere is a problem inthe main motor. Open and then close thefront cover.MESSAGE MEANING SUGGESTEDSOLUTIONS