alternative toner armor k15467 is designed for compatible printers and lexmark printers and replaces the original toner c540h1kg. it is a black toner with a rated life of up to 2500 pages at standard 5% coverage. compatible devices: lexmark-c 540 n lexmark-c 543 dn lexmark-c 544 lexmark-c 546 dtn lexmark-optra c 540 n lexmark-optra c 543 dn lexmark-optra c 544 lexmark-optra c 546 dtn lexmark-x 543 dn lexmark-x 544 lexmark-x 546 dtn lexmark-x 548 if you are unsure about compatibility, please contact owa armor toners - responsible solutionstoners owa armor - unique combination of economic and ecological solutions ? high-quality owa armor toner cartridgees for almost all printers on the market. ? owa armor toners are a great solution to save up to 80% on your printing costs compared to branded toners, while protecting the environment. ? armor guarantees print quality. ? none of owa armor toners infringes patent law. ? owa armor toners support your csr (corporate & social responsibility) initiatives. ? when using owa toners, gear-up.me can issue you a certificate of responsible printing for your csr reports. see how owa worksother benefits of using owa armor toners: ? immediate reduction of your printing costs & ability to order your toners 24/7 online via gear-up.me ? free technical support at or ? corporate printing solutions for smes and large corporations alike. ? free marketing support for partners promoting ecological printing solutions. ? the assurance that no owa armor toners break patents and are wholesome. ? french quality guaranteed by international certificates. ? owa armor toner lifetime warranty. ? new printer warranty.