
46 | MAINTENANCE AND TROUBLESHOOTING
TIP
When removing ink, don’t use Sanford Expo Dry Erase Board Doctor, Sanford 
Expo Cleaning Wipes, low-odor Sanford Expo Whiteboard Cleaner 
or Windex® glass cleaner, which don’t adequately clean the surface 
of your SMART Board V280 interactive whiteboard and can leave 
permanent stains.
• If ink remains on your interactive whiteboard for a long period of time, you might 
need to scrub the ink with Sanford Expo Whiteboard Cleaner for as long as five 
minutes. Although a faint residue might remain, it isn’t usually visible when the 
projector is on.
• Remove persistent stains by gently rubbing a paste of baking soda and water 
on the screen surface.
• The digital cameras located in each screen corner under the valance 
are protected from dust and dirt by protective windows. You only need 
to clean the camera windows if your interactive whiteboard is located 
in an extremely dusty environment. 
• Rotate the valance upwards in its clips to clean the diagonal surfaces of the 
camera windows. Gently rub a soft, clean, damp, cotton cloth or cotton-tipped 
swab on the windows.
CAUTION
Do not use an abrasive cloth or paper towel to clean the camera windows 
because you might scratch the surface.