3-4LED Printer statusBlinking every 5secondsToner LowIndicates that the toner cartridge is nearly empty. Purchase anew toner cartridge and have it ready for when Toner Empty isindicated.Toner EmptyReplace the toner cartridge with a new one. See ìReplacing theToner Cartridgeî in Chapter 5.Near End of LifeThe drum unit is near the end of its life. We recommend that youobtain a new drum unit to replace the current one. SeeìReplacing the Drum Unitî in Chapter 5.