AS-4000 User’s Guide Maintenance Cleaning procedure A Open the cover of the color measurement unit. B Inspect the surface of the paper presser that comes into contact with the substrate to see if it is dirty. If it is dirty, go to step 3 to clean it. If it is not dirty, no cleaning is required. Go to step 4. C If you notice any paper dust, dirt, glue, and so on, wipe them off with a woven polyester/nylon knit cloth soaked in the alcohol for cleaning ink. Wipe off any dirt from the top surface of the paper presser or the slit area. c Important: Do not apply excessive force to the paper presser when wiping. If the paper presser is deformed, it may affect the color measurement results.
79 Item Explanation Maintenance products to use ❏ Polyester/nylon knit woven fabric ❏ Alcohol for cleaning ink ❏ Alcohol container for cleaning ink