Canon imageFORMULA DR-2020U Reference Manual

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32AppendixCleaning the Roller Unit andSeparation PadIf streaks appear in scanned images, or if scanned documentsbecome dirty, the roller unit and separation pad may be dirty. Be sureto clean them regularly.HintThe roller unit and separation pad are located inside the feedercover. Be sure to remove the roller unit and separation pad, as shownbelow, before cleaning them.Removing the Roller Unit and SeparationPad1 Open the document feed tray and feeder cover.2 Raise the roller unit’s lock lever. (Gently bend the locklever inward, then raise it.)3 Remove the roller unit.Hold the center of the roller unit (roller portion), lift the lock leverside (A), then the other side (B).B A