HP 600 - Manual (Page 63)

Care and maintenance 55
Clean the document scanner area
4. Clean the document feeder rubber piece at the back of the control panel.
5. Carefully wipe the scanning glass with a soft, dry, lint free cloth.
• If the glass is very dirty, first wipe it with a slightly dampened cloth, then
with a dry one.
• Be careful not to scratch the glass surface.
6. Replace the roller in reverse order, and then close the control panel firmly
until it clicks into place.