Consumables5-20Routine Maintenance5Stamp Ink CartridgeThe stamp ink cartridge is used to stamp originals. Use the tweezers provided toremove and replace the stamp ink cartridge.■ Stamp Ink Cartridge-C1IMPORTANTThe Stamp mode is available only when the optional Stamp Unit-B1 is attached to thefeeder.Staple CartridgeIf a message prompting you to load new staples appears on the touch paneldisplay, replace the staple cartridge with a new one. Use only staple cartridgesintended for use with the machine.■ Staple-J1IMPORTANTThe Staple mode is available only when the optional Inner Finisher-B1 is attached tothe machine.