1. Open the printer and roll the labels back.
  2. Take an Alcohol swab out of a first aid kit or take an Alcohol prep pad and run it along the print head several times.
  3. Then take the same swab and run it along the Rubber Roller Bar one time then close the lid without any labels fed through. Then open the printer and rub the swab along the roller bar again. Then repeat until the Rubber Roller Bar is clean.