Wuhan Raycus Fiber Laser Technologies Co., LtdUser Guide RFL-A2000D-3000D Ver.1.0395.3 Service and Repair Do not open the device. There are no user serviceable parts, equipment or assemblies foruser in this product. All service and maintenance shall be performed by qualified Raycuspersonnel. Please contact Raycus as soon as possible when problems under warranty about maintenancehappened. The product returned with permission should be placed in a suitable container. If any damage happened to the product, please notify the carrier in document immediately.We reserve the right to make changes in design or constructions of any of ourproducts at anytime without incurring any obligation to make changes or install the sameon units previously purchased.All the items about warranty and service above provided by Raycus are for user’sreference; formal contents about warranty and service are subject to the contract.© 2018 Wuhan Raycus Fiber Laser technologies Co., Ltd. All Rights Reserved.