Switch off the Epson EB-X7/EB-X8 projector projector and Allow it stand for at least one hour at any time 24 hours. An average use of 4 to five hours a day will guarantee more time lamp life.If I buy this item and uncover it is the Mistaken product or does not get the job done for any cause, am i able to get an exchange or refund?(We're going to ON