The 3755iX Stealth Invisible Ink Print System lets you print text, barcodes, & other security information with invisible UV fluorescent ink. Individuals and businesses can now create invisible output: The cutting-edge way to protect and authenticate any document that can pass through an inkjet printer such as checks, tags, labels, ID cards, tickets, photos, and more. Completely safe and environmentally friendly, Stealth iX ink is UV fluorescent and glows visibly when exposed to Stealth™ iX UV display lights.