21Names and Functions of PartsFront View (With the Feed Tray Open)A OPEN LeverRaise this to open the upper unit.B Document Eject Extension SupportOpen this when scanning documents longer than 150 mm inlength.C Document Eject Tray / Upper UnitScanned documents are output here.Open this when cleaning the inside of the scanner or replacingrollers.D Document Feed TrayPlace the document.E Document GuidesAlign the document guides with both edges of the document toensure that the document feeds straightly.F Ventilation HolesThese cool the interior of the scanner. Do not block the ventilationholes, as doing so might cause overheating.G Operating PanelA range of scanning operations can be performed with this, suchas starting and stopping scans, executing registered jobs, andcancelling double feed detection. (See p. 22)H Power buttonPress this to turn on the scanner. The button remains lit while thepower is on.Press and hold the button until the light goes out to turn off thescanner.The power button lights or flashes as follows depending on thescanner status.1236745ACBEDGFJ7I7HPower Button Indication DescriptionLit Power is onFlashing Sleep mode