Canon E510used motherboard/logic board Ready stock item Please understand basic specifications and installation before purchase All board are tested before send out. remarks: 24H ship weekdays/work days. You may PM for assistance if needed. Get the right root cause of failure in order to avoid faulty installation or purchase errors. If the spare part sent is damaged due to incorrect use/mishandling, faulty installation or setup, we will provide technical support but the return and warranty are not acceptable for this spare part. no return no refund after purchase