AS-4000 User’s Guide Basic Operations 4. Move the frame of the connecting section toward the front of the press. The rear substrate guide is fixed in place and does not move. D Hold down the Feed switch on the press until the spliced section passes nip roller D in the rewinder. E When replacing a wide substrate with a narrower substrate, loosen the screws for the substrate guides on both sides. F Move the frame of the connecting section and adjust its position so that the indentation in the center of the shaft is at the center of the new substrate. 20