55Chapter 7 Regular MaintenanceClean the scanner and perform maintenance on a regular basis asdescribed below to maintain peak scanning quality.Cleaning the Scanner ......................................................................... 55Cleaning the Scanning Glass and the Rollers ................................. 56 When cleaning the outside and inside of the scanner, turn the powerOFF and disconnect the USB cable from the computer. Do not use spray cleaners to clean the scanner. Precisionmechanisms, such as the light source, may get wet, and cause amalfunction. Never use paint thinner, alcohol, or other organic solvents to cleanthe scanner. Such solvents can damage or discolor the exterior of thescanner, or create a risk of fire or electrical shock.Cleaning the ScannerTo clean the exterior of the scanner, dampen a cloth with water or amild detergent, wring the cloth out thoroughly, and then wipe the dirtaway. Then use a dry, soft cloth to wipe away any moisture.Do not use a coarse cloth or dirty cloth because it may result inscratches.Cleaning the Inside of the ScannerDust or paper particles inside the scanner may cause lines or smudges toappear on scanned images. Use compressed air to periodically clean dustand paper particles from the document feed opening and the inside of thescanner. After finishing a large scanning job, turn OFF the scanner andthen clean out any paper particles remaining inside the scanner.