Solving Problems7.15Engine FuserLow Heat ErrorThe temperature in thefuser is abnormallylow.Unplug the power cord andplug it in again. If the problempersists, call for service.Engine FuserOver Heat ErrorThe temperature in thefuser is abnormallyhigh.Unplug the power cord andplug it in again. If the problempersists, call for service.Engine LSUErrorA problem hasoccurred in the LSU(Laser Scanning Unit)in the printer.Unplug the power cord andplug it in again. If the problempersists, call for service.Install[Color] TonerThe indicated colortoner cartridge is notinstalled in the printer.Install the corresponding colortoner cartridge.InstallTransfer BeltThe paper transfer beltis not installed in theprinter.Install the paper transfer belt.Invalid Toner[Color]An invalid tonercartridge has beeninstalled.Install only Samsung tonercartridges, designed for yourprinter. Or install the tonercartridge into each propercartridge slot. If you haveinstalled Samsung tonercartridge or put it into eachproper cartridge slot and thiserror still occurs, contact anauthorized service agent.InvalidTransfer BeltAn invalid papertransfer belt has beeninstalled.Install only Samsung papertransfer belts, designed foryour printer. If you haveinstalled an Samsung papertransfer belt and this error stilloccurs, contact an authorizedservice agent.Jam0 In Tray1Jam0 In Tray2Jam0 In MP TrayA paper jam hasoccurred in or near theindicated tray.Remove the jammed paperfrom the corresponding tray,referring to page 7.4.JamIn Exit AreaA paper jam hasoccurred in the paperexit area.Remove the jammed paperfrom the printer, referring topage 7.7.JamInside PrinterA paper jam hasoccurred inside theprinter.Open the access door andremove the jammed paperfrom the printer, referring topage 7.6.Message Status Do this...Load[Size] In Tray1Load[Size] In Tray2Load[Size] In MPThe paper sizespecified in the printerproperties does notmatch the paper youare loading.Load the correct paper in thetray.Low Density The amount of thetoner which is spreadon the paper transferbelt for adjusting autocolor registration isvery small, so that theprinter does notrecognize the tonerduring auto colorregistration.Replace the toner cartridge(s)with a new one. See page 6.4.If you still have the sameproblem, contact a servicerepresentative.Left Fan Error A problem hasoccurred in the LeftFan of the printer.Unplug the power cord andplug it in again. If the problempersists, call for service.Main MotorErrorA problem hasoccurred in the Mainmotor of the printer.Unplug the power cord andplug it in again. If the problempersists, call for service.MemoryOverflowThe printer does nothave enough memoryto print the currentjob.An error has occurredin the firmwareprogram of the printer.The job automatically clearsand the printer returns toStandby Mode.Lower the print resolution andtry again.Paper Empty[Size] In Tray1Paper Empty[Size] In Tray2Paper Empty[Size] In MpPaper Empty[Size] In ManualThe paper tray has runout of paper.Load paper in the paper tray.See page 4.2.Photo LED Error During auto colorregistration, theprinter does notrecognize the photoLED in the papertransfer belt assembly.Contact a servicerepresentative.Message Status Do this...