Lexmark OnSite Exchange Service provides on site unpacking and setting up the exchanged printer and packing and shipment of the defective printer. Service is provided at the Customer's business or home location during the contracted Principal Period of Maintenance (PPM). Next business day service will generally be provided within the contracted Onsite response time, if the call is dispatched by 5:00 p.m. customer local time, provided the service location is within a 50 mile radius of a Lexmark Authorized Service center (LASC). For each of the following conditions, add one (1) business day to the contracted Onsite response time: 1) Service locations beyond 50 miles from LASC; 2) Service in Hawaii and Alaska. Lexmark On Site Warranty Service is not available for all machines or machines that have been defaced, altered, or damaged beyond repair. Please contact Lexmark to determine if this option is available for your machine model. This service agreement replaces and extends the standard 1 year Advanced Exchange Warranty with a total of 3 years coverage with Lexmark's Onsite Exchange Warranty.