25 ï EnglishError MessagesHere are the more common errormessages and what to do when yousee them.Whenever you see the line ìPleasesee HELP for detailsî at the bottomof the display, you can press theHelp button on the control panel formore information.Toner Cartridge ErrorMessagesThere is a problem with the tonercartridge color XXXX.Open the cover.Check to be sure that the indicatedtoner cartridge is firmly seated inthe drum and that the lock lever ispushed as far toward the back ofthe printer as it will go. Close thecover.If this does not clear the message,call your local service dealer.Appears on the second line of thedisplay to indicate that the colortoner indicated (XXX) is nearingend of life. Be sure you have therequired genuine Oki replacementtoner on hand (see page 4).NoteIf you have changed the Low Tonersetting to Stop, the ATTENTIONlight will blink and you must eitherreplace the toner cartridgeimmediately or press the ON LINEbutton to continue printing.Appears on the second line of thedisplay to indicate that the tonercartridge color XXXX does not havethe correct RFI chip.XXXX:ï 550 = Yellowï 551 = Magentaï 552 = Cyanï 553 - = BlackReplace the indicated color tonerwith a genuine Oki toner cartridge.Toner Sensor ErrorXXXXXXXX Toner LowNon Genuine XXXX Toner