French Paper recommends the use of heat-resistant inks when combining lithographic printing with xerographic or laser printing. We guarantee the performance of 60 lb. text Glo-Tone in laser and inkjetprinters and copiers provided paper testing by the customer has taken place. French Paper offers sample packs for testing purposes. The extent of the guarantee applies only to offering replacement paper at the sole discretion of the mill. Glo-Tone colors contain water-soluble dyes and are not recommended for products where light or moisture may cause fading or bleeding of dyes.