TOP > Maintenance > Platen Roller Replacement Timing Platen Roller Replacement Timing The platen roller has a blue striped marking on the center. When the blue striped marking started to fade off, it indicates that you should replace the platen roller. • This is only a general guideline. The condition in which the platen roller wears out varies depending on the used media. In any cases, replace the worn platen roller when it affected the printing quality of the product. Back to top