21 _IntroductionUNDERSTANDING THE STATUS LEDThe color of the Status LED indicates the machine's current status.ACKNOWLEDGING THE STATUS OF THETONER CARTRIDGEThe status of toner cartridges is indicated by the Status LED and the LCDdisplay. If the toner cartridge is low or needs to be replaced, the Status LEDturns red and the display shows the message. However the arrow markshows which color toner is of concern or may be installed with a newcartridge.Example:The above example shows the yellow cartridge status indicated by thearrow. Check the message to find out what the problem is and how to solveit. See "Understanding display messages" on page 55 to browse thedetailed information on error messages.STATUS DESCRIPTIONOff • The machine is powered off-line.• The machine is in power save mode. Whendata is received, or any button is pressed, itswitches to on-line automatically.• Wireless function can not be used.Green Blinking • When the green LED slowly blinks, themachine is receiving data from the computer.• When the green LED rapidly brinks, themachine is printing data.On • The machine is powered on and can be used.Red Blinking • A minor error has occurred and the machine iswaiting for the error to be cleared. Check thedisplay message, and solve the problemreferring to "Understanding displaymessages" on page 55.• Small amount of toner is left in the cartridge.The estimated cartridge life of toner is close.You can temporarily improve print quality byredistributing the toner. (See "Replacing thetoner cartridge" on page 48.)On • A problem has occurred such as a paper jam,cover is open or no paper in the tray, so thatthe machine cannot continue the job. Checkthe message on the display, and refer to"Understanding display messages" onpage 55 to solve the problem.• A toner cartridge has reached its estimatedcartridge life. (See "Understanding displaymessages" on page 55.)Always check the message on the display to solve the problem. Theinstruction in the Troubleshooting section will guide you to operate themachine properly. See "Understanding display messages" on page 55for more information.Estimated cartridge life means the expected or estimated tonercartridge life, which indicates the average capacity of print-outs and isdesigned pursuant to ISO/OEC 19798. (See "Specifications" onpage 90) The number of pages may be affected by operatingenvironment, printing interval, media type, and media size. Someamount of toner may remain in the cartridge even when "TonerExhausted" appears and the printer stops printing.Samsung does not recommend using non-genuine Samsung tonercartridge such as refilled or remanufactured. Samsung cannotguarantee non-genuine Samsung toner cartridge's quality. Service orrepair required as a result of using non-genuine Samsung tonercartridges will not be covered under the machine warranty.
