Lexmark 4-year Extended On-Site Repair Service for C912. Number of years: 4 year(s), Type: On-siteBeyond the one-year base-guarantee, Lexmark offers you added peace of mind through a choice of Standard Extended guaranties- up to four years. This is the most cost effective way of covering your investment through a secured after sales Service. On Site Repair With On Site Repair, a Lexmark-authorised specialist comes to your home or office to analyze and repair your defective device directly onsite. The specialist will also make sure your product meets Lexmark’s most stringent standards for quality and performance. This offering includes telephone and Web-based support, all parts and labour, complete onsite repair and testing. Response times is usually next business day in serviced areas and can be adapted to your specific requests, and may vary depending on the type of product.