... printing, you can printing directly, don't need to do any pretreatment. B. we have the best ... successful case, our our sales will guide you how to start your bussiness. like where should your shop ... printer ?Yes, you can. our printer contact to computer through USB line , you can print any ... , ceramic, metal, paper, leather, wood 3.Do i need to do some pretreatment or aftertreatment ?no, you don't ...