Certificate of Warranty

Model: MD-400D

1. We provide a 12-month warranty on MD-400D 3D printers (excluding the nozzle assembly PEI pad) purchased on or after and a 3-month warranty on the nozzle assembly.


2. The warranty period of each product starts from the date of receiving the machine. Any product with a renewed warranty period is subject to the renewed warranty terms.


3. Within the warranty period, we will provide free accessories to replace those damaged during the operation in accordance with the instructions for use which are not caused by user negligence (determined by our professional assessment).


4. We will continue to provide warranty services for any product having been repaired as long as its warranty period has not expired.


5. In case of any problem, you may find the solutions in the instructions for use or search for the solutions on our official website (www.3dmingda.com) or contact us via phone or email.


6. We provide free remote technical support for every consumer during the service life of the product. You may request solutions from our after-sales team via phone or email within working hours. For any request submitted beyond the normal working hours, we will reply as soon as possible.


7. Please provide completed after-sales service card or S/N number when applying or the warranty service. Otherwise, warranty services may be refused.


8. We are entitled to refuse warranty claims for any fault or damage due to failure to follow instructions for use, including but not limited to (i) unauthorized modification; (ii) incorrect installation or use; (iii) use of any third-party component; (iv) use of any non- specified software;(v) use of low-quality filament; (vi) use under non-specified environment; and (vii) misuse (overload) or improper maintenance (corrosion or oxidation). 


9. We are entitled to refuse to provide warranty services for any fault or damage due to force majeure.