First to contact a company by phone and confirm that the warranty is valid. After that I will ship my product to you in Japan, not more than 1 kg. Then the company will pickup the item in your office or house. You will wait for the repair to be finished and when received ship back to me by Japan Post.
Seeking person in Japan only. I have selected 5 different skills for this task. This is just to get my job more viewers, there is no skills required for this job.