Staple Finisher-A1/Booklet Finisher-A1/Puncher Unit-BF1/Inner Booklet Trimmer-A1 (Optional)1-521Routine MaintenanceRemoving Punch WasteWhen the punch waste tray of the Puncher Unit-BF1 becomes full, a screen prompting you to remove the punch waste appears onthe touch panel display. Follow the procedure described below to remove the punch waste.Take care when handling the optional equipment that is attached to the machine. When an optional unit's cover is opened to replace a staplecartridge, discard the punch waste, discard the trim waste, or clear paper or staple jams, prints may still be output if other optional units areoperating normally, and are not involved in the paper or staple jam removal procedure.When the punch waste tray is full, you cannot make copies or prints using the Hole Punch mode.This procedure is necessary only if the Puncher Unit-BF1 is attached.1 Open the front cover of the finisher2 Pull out the punch waste tray••