
|  | Varnish Overlays -- Protect against Ultaviolet Light.  Not necessary with Monochrome Thermal Transfer Ribbons.  Overlay Varnishes are necessary with Dye Sublimation Color and Monochrome Ribbons. Laminating Ribbon Patches -- Protect against both Ultraviolet Light and Abrasion. Can only be used with the P500 & P520 Laminators. | 
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