oh, here is a product that uses UV rather than Infrared, and you can use to refill your Printer Ink Cartridges with.
https://www.anti-forgery-ink.com/Red-invisible-ink-for-uv-drying-uv-inkjet-printing(A)-p454.html#image_4
oh, here is a product that uses UV rather than Infrared, and you can use to refill your Printer Ink Cartridges with.
https://www.anti-forgery-ink.com/Red-invisible-ink-for-uv-drying-uv-inkjet-printing(A)-p454.html#image_4