KERR ENDODONTICS Elements 8:1 Instructions For Use Manual page 89

9 Terms and conditions of warranty
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tenance or connection instructions, calcination or corrosion, con-
taminated air or water supplies or chemical or electrical factors
deemed abnormal or impermissible in accordance with KaVo's in-
structions for use or other manufacturer's instructions. The war-
ranty granted does not usually extend to lamps, optical fibres
made of glass and glass fibres, glassware, rubber parts, and the
colourfastness of plastic parts.
All liability is excluded if defects or their consequences originate
from manipulations or changes to the product made by the cus-
tomer or a third party that is not authorised by KaVo.
Warranty claims will only be accepted if the product is submitted
along with proof of purchase in the form of a copy of the invoice
or note of delivery. The dealer, purchase date, type, and serial
number must be clearly evident from this document.