- 52 -3. Basic OperationsNames of ComponentsThe chapter describes the name of each component.• Front View• Rear View• Inside of the machineFront ViewSymbol Namea Operator panelBasic Operations on the Operator Panelb USB portc MP tray (Multipurpose tray)d Open buttone Output tray (top cover)f Wireless LAN module coverg Paper supporterh Envelope lever (Use this when printing on envelopes. For instructions, refer to the AdvancedManual.)