633 Lower the lock lever to secure the roller unit into place.You can lower the lock lever smoothly by gently bendingit inward.4 Close the feeder cover and document feed tray.CAUTIONWhen closing the feeder cover and document feed tray, becareful not to get your fingers caught, as this may result inpersonal injury.IMPORTANTThe separation pad and roller unit are consumable parts. Ifperformance does not improve after cleaning the separation padand roller unit, the parts may need to be replaced. Contact yourlocal authorized Canon dealer. When replacing the parts, firstreplace the separation pad. If performance does not improve,replace the roller unit as well.
