Get the most from your oki printer by installing a genuine fuser unit for renewed print output the fuser unit in your printer uses extreme heat to bond loose toner to the page giving you crisp and solid text and images over time the fuser unit loses effectiveness due to a build up of toner and wear and tear so regular replacement is essential to maintain high print quality this unit is designed for a print life of up to 60000 pages replacement fuser unit for oki printers print yield 6