What Are Printer Maintenance Kits?Printer maintenance kits contain the spare parts that have highly predictable wear characteristics and are used to rebuild, maintain and repair printers. Under heavy usage, most internal rollers wear down and lose their ability to grab paper and guide it smoothly through the printer. A maintenance kit will give your printer new life.Why Should I Use a Maintenance Kit?Printer maintenance kits eliminate repeat service calls and maximize the paper feed and print quality performance of the laser printer. Each model has a predefined OEM recommended page replacement interval to keep your printer running with high quality results. In addition, maintenance kits are priced substantially lower than purchasing these same parts individually and are easy to install.