6 Troubleshooting6-58 CS240/CS2316.3 When the message "Unable to staple." appearsIf a staple jam occurs in the finisher, the message shown below appears.2 ReminderBe careful when clearing jammed staples since injuries may result.Clearing jammed staples in Finisher FS-517!DetailFor details on clearing misfed paper in Finisher FS-517, refer to "Clearing a paper misfeed in FinisherFS-517" on page 6-44.1 Remove all paper from the finisher.CS240/231CS231