Staple Finisher-A1/Booklet Finisher-A1/Puncher Unit-BF1/Inner Booklet Trimmer-A1 (Optional)1-481Routine MaintenanceReplacing the Staple Cartridge in the Saddle Stitcher UnitWhen the saddle stitcher unit of the Booklet Finisher-A1 is almost out of staples and the staple cartridge in the saddle stitcherunit must be replaced, a screen prompting you to replace the staple cartridge appears on the touch panel display. Follow theprocedure described below to replace the staple cartridge.Use only staple cartridges intended for use in this machine. See e-Manual > Optional Products (imageRUNNER ADVANCE C9075PRO/C9065 PRO).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.If necessary, remove all of the output paper in the Booklet Tray before replacing the staple cartridge in the saddle stitcher unit.This procedure is necessary only if the Booklet Finisher-A1 is attached.Since both the front and inner staple cartridges need to be replaced when staples run out in the saddle stitcher unit, we recommend that youorder staple cartridges from your local authorized Canon dealer before your stock runs out.1 Open the front cover of the finisher2 Pull out the saddle stitcher unit (F-C5)•••