No, you don’t have to. If the defects do exist at the time of purchase and the seller fails to notify a consumer of the very nature of parallel imports, he or she shall be allowed to return the subject goods or to withdraw the subscription of the contract already made, pursuant to the Act of the Consumer Protection in Electronic Commerce, etc. For this case, however, it seems difficult to be granted for the withdrawal of the subscription given the defects have been spotted while you have used the camera for a while.

Yet we view the Regulation on Consumer Dispute Resolution can be applied to your case. The Regulation reads a consumer shall be offered free repair service or product replacement when major repair is necessary for functional and performance defects naturally having occurred while using the product within ten days from the date of purchase. The seller’s claims of no free repair service available to the parallel import goods shall be also nullified unless it explicitly informs you of such conditions when the order had been placed. Hence you are entitled to get the free repair service.