![]() If you cannot freely rotate the rollers, do not force them to rotate. Wipe the roller with a firmly wrung cloth moistened with water.ĭo not use detergent to clean the rollers, since any detergent on the rollers could cause a feeding issue.If there are scratches on the sensor glass, contact your local authorized Canon dealer or service representative. Scratches on the sensor glass may cause marks on the images and could cause feeding errors. Use a clean dry cloth to wipe dirt off the sensor glass.Use a blower to keep the interior of the scanner free of dust and paper particles.The location of the sensor glass and various rollers are shown below: Doing so may deform the pickup roller or causing a feeding error. Do not hold the protrusion on the upper unit when you open it. The pickup roller is located in the middle of the upper unit. Pressing the OPEN knob from sides, raise the upper unit.If scanned images have extraneous marks, or if the scanned documents are dirty, then the sensor glass or rollers inside the scanner may be dirty. They also create a risk of fire or electrical shock. Such solvents can damage or discolor the exterior of the scanner. Never use paint thinner, alcohol, or other organic solvents to clean the scanner.Precision mechanisms, such as the light source, may get wet which will cause a malfunction. ![]()
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