[. . . ] [. . . ] 2 WayUnit-B1:Enhancesthedouble-sidedprintproductivityupto100%ReversalPass Unit(2-WayUnit)optionforimageRUNNER2520/2520i/2525/2530. S taple-J1:StaplesforInnerFinisher-B1. DocumentTray-J1:Handytraythatattachestothe sideofthedevice. C anonCardReader-F1:Physicalcardaccesssystemthatlimitssystemaccessto authorisedusers. USBApplication3-PortInterfaceKit-A1:3-PortUSBinterfacekitforUSBmemory. [. . . ] [. . . ]