If scanned images contain streaks, or if the scanned documents become dirty, the sensor glass or rollers inside the scanner may be dirty. Clean them periodically.
 

1. Open the document eject tray.
    
   
    
2. Pull the OPEN lever and pull open the front unit toward you.
    
   
    
3. Used compress air to remove dust and paper particles from the inside of the scanner.
   
    
4. Wipe any dirt off the scanning glass.
    
   
    
   Do not spray water or neutral detergent directly on the scanner. Precision mechanisms, such as the light source, may get wet, and cause a malfunction.
   
    
   • Scratches on the sensor glass may cause marks on the images, as well as feeding errors.
   • Take care to ensure the anti-static brush in the front unit does not become deformed.
   
    
   
    
5. Clean the rollers.
   Clean the rollers while turning them. Wipe the rollers with a cloth that has been dampened with water and thoroughly wrung out, and then use a clean, dry and soft cloth to wipe away any moisture.
    
   
    
6. Remove the retard and feed roller.
   
    
   Remove the retard roller and feed roller from the scanner to clean them, and be sure to reattach them to the scanner when cleaning is finished.
   
    
7. Wipe the removed rollers with a cloth that has been dampened with water and thoroughly wrung out.
    
8. Reattach the retard roller and feeding roller.
   
    
9. Close the front unit by gently pushing it up on sides until it clicks into place. Make sure that the front unit is completely closed by pushing until you hear a click.
    
    
10. Close the document eject tray.