Ћ Fit the ribbon between the head unit and the ribbon mask. Then push the cassette firmly into position. Џ Turn the ribbon-tightening knob five or six times in the direction of the arrow to feed the ribbon smoothly into place between the head unit and the ribbon mask. - Check that the ribbon is not twisted or creased. CAUTION: . Do not turn the ribbon-tightening knob in the reverse direction. ђ Close the printer cover.