Introduction4E19. Damage Requiring Service — Disconnect thisproduct from the wall outlet and all power sourcesincluding battery, and refer servicing to qualifiedservice personnel under the following conditions:a. When the power-supply cord or plug is damaged.b. If any liquid has been spilled onto, or objects havefallen into, the product.c. If the product has been exposed to rain or water.d. If the product does not operate normally even ifyou follow the operating instructions. Adjust onlythose controls that are covered by the operationinstructions. Improper adjustment of other controlsmay result in damage and will often requireextensive work by a qualified technician to restorethe product to its normal operation.e. If the product has been dropped or the cabinet hasbeen damaged.f. When the product exhibits a distinct change inperformance. This indicates a need for service.20. Replacement Parts — When replacement parts arerequired, be sure the service technician has usedreplacement parts that are specified by Canon or thathave the same characteristics as the original part.Unauthorized substitutions may result in fire, electricshock or other hazards.21. Safety Check — Upon completion of any service orrepairs to this product, ask the service technician toperform safety checks to determine that the productis in safe operating order.