• Use 70 or 75 percent alcohol only. Using a higher percentage of isopropyl alcohol or a different type of organic solvent may damage product.
• Unplug all external power sources, devices, and cables.
• Use only soft, lint-free cloth. Avoid abrasive cloths, dark color cloths, towels, paper towels, or similar items.
• Avoid excessive alcohol moisture on the lint free cloth.
• Keep liquids away from the product.
• Do not get moisture into any openings.
• Do not use aerosol sprays, bleaches, or abrasives.
• Do not spray cleaners directly onto the item.

If liquid makes its way inside your Wacom product, get help from http://support.wacom.com/ as soon as possible. Liquid damage isn't covered under the Wacom product warranty, but you may have rights under consumer law.