191. Getting StartedGuide to Components1. Exposure glass cover (optional) orAuto Document Feeder (ADF) (op-tional)Lower the exposure glass cover overoriginals placed on the exposure glass. Ifyou have the ADF, load a stack of origi-nals here. They will be fed automatically,one by one.(The illustration shows the ADF.)2. Exposure glassPlace originals face down.3. Internal trayCopied, printed paper or fax messagesare delivered here.4. Ventilation holesPrevents overheating. Do not obstructthe ventilation holes by placing anythingnear it or leaning objects against it. If themachine overheats, a fault might occur.5. Main power switchIf the machine does not operate afterturning on the operation switch, checkthe main power switch is turned on. If itis off, turn it on.6. Main power indicatorThis indicator lights when the main pow-er switch is turned on, and goes off whenthe switch is turned off.7. On indicatorThis indicator lights when the operationswitch is turned on, and goes off whenthe switch is turned off.8. Operation switchPress this switch to turn the power on(the On indicator lights up). To turn thepower off, press this switch again (the Onindicator goes off).AHR034S