12 MaintenanceXerox Phaser 3635 User Guide 203Cleaning the MachineWARNING: When cleaning your machine DO NOT use organic or strongchemical solvents or aerosol cleaners. DO NOT pour fluids directly onto anyarea. Use supplies and cleaning materials only as directed in thisdocumentation. Keep all cleaning materials out of the reach of children.WARNING: DO NOT use pressurised air-spray cleaning aids on or in thisequipment. Some pressurised air-spray containers contain explosive mixturesand are not suitable for use in electrical applications. Use of such cleaners canresult in a risk of explosion and fire.CAUTION: DO NOT remove the covers or guards that are fastened with screws.You cannot maintain or service any of the parts that are behind these coversand guards. DO NOT attempt any maintenance procedure that is NOTspecifically described in the documentation supplied with your machine.Document Glass and Constant Velocity Transport (CVT) Glass1. Use a soft, lint-free cloth, lightlydampened with water. Liquidshould never be poured directlyonto the glass.2. Wipe clean the entire glassarea.3. Wipe away any residue with aclean cloth or paper towel.NOTE: Spots or marks on the glasswill be reproduced on the prints when copying from the document glass. Spots onthe Constant Velocity Transport Glass will show up as streaks on the prints whencopying from the document feeder.The Control Panel and Touch ScreenRegular cleaning keeps the touch screen and control panel free from dust and dirt.To remove finger prints and smudges, clean the touch screen and control panel asbelow:1. Use a soft, lint-free cloth, lightly dampened with water.2. Wipe clean the entire area, including the touch screen.3. Remove any residue with a clean cloth or paper towel.DocumentglassCVT glass