L-6534VW Operation Guide Basic Operations Note: If you want to cancel the substrate replacement procedure, press Cancel from the Change Substrate screen. B Press the Feed Ready switch on the press to release the tension in the substrate. Check that the Feed Ready switch lamp is off. C Check that the roller is not dirty. If the roller is dirty, cancel substrate replacement, switch to Feed section mode on the Periodic Maintenance screen from the Maintenance menu, and then clean the roller. See the following for more details. U “Unwinder side rollers” on page 276 101