Reset Cartridge toner Chip for Lexmark C543 C544 C546 X543 X544 X546 X548 excellent toner reset chips  
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<br />1.Printer model :for Lexmark Optra C540/C543/C544/C546/X543/X544/X548/C540n/C544dn. 
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<br />2..Colour:BK/C/Y/M    Page BK-2500 CMY-2000 pages @5% coverage rate by A4 paper  
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<br />3.Packaging :Bulk Packing ,NEUTRAL PACKING,Anti-static bag packing  
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<br />A.If the toner cartridge in your machine is in good condition,but it ran out of life,you can renew it by installing new chip . 
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<br />B.It is 100% brand new high quality ,saving big money for you,easily to install ,just find out the old chip and replace it ,then the new chip can work automatically by itself. 
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<br />C.Please DO NOT install the chip when the powder of your toner is empty or very low .otherwise the chip will be burned.(refill the toner cartridge before installing the chip )