13.3 < Installing accessories>3 Lift the empty staple cartridge from the stapler unit.4 Unpack the new staple cartridge.5 Place the staple cartridge back into the stapler unit.6 Slide the stapler unit in until it locks in place.7 Close the finisher cover.Enabling Fax feature after installing the faxoption kitAfter installing the Fax kit, you have to set up the machine in order to usethis function.1 Press Machine Setup on the control panel.2 Press Admin Setting.3 When the login message appears, enter password with numberkeypad and press OK. (Page 3.3)4 Press the Setup tab > Optional Service.5 Press Analog Fax .6 Set the option to Enable.7 Press OK.