An electronic device, printing device, and electronic device production method in which a member comprising protruding pressing parts and plural members comprising openings into which the pressing parts are inserted are positioned with excellent accuracy are provided.The electronic device (printing device) comprises a pressing member comprising plural protruding pressing parts, a first opening-formed member comprising plural first openings into which the plural pressing parts are so inserted as to individually protrude, a second opening-formed member comprising plural second openings into which the plural pressing parts inserted from the plural first openings are so inserted as to individually protrude, and a positioning member positioning the pressing member, first opening-formed member, and second opening-formed member so that the plural pressing parts are disposed at positions where the plural pressing parts are inserted in the plural first openings and plural second openings.