Lexmark is committed to delivering fast problem resolution and personalized support to get your printers back on the job as quickly as possible. They offer a variety of customizable service plans to help meet your business's unique needs. From basic service coverage to comprehensive support, Lexmark offers a range of plans to meet the specific demands of your output environment and reduce costly printer downtime. LexOnSite Exchange: Lexmark's next-day, on-site exchange service. Available in the U.S. and Puerto Rico, LexOnSite extended warranties can be purchased in one to three year extensions -- for up to four years of coverage from date of printer purchase. Extended warranties must be purchased before the previous warranty expires.