How to Make Invisible Ink for Ink-jet Printers
I think many of us tried invisible ink pen before. It’s fun and sometimes useful to send secret messages – but wouldn’t be better to have this capability on your inkjet printer? Sounds like something out of a James Bond movie? No, you can do it as well. Here is a video to show you how to make a invisible ink print cartridge. You will need an empty inkjet print cartridge, couple of invisible ink pens and a syringe:
How Make Invisible Printer Ink – Watch the best video clips here
Thanks Loup for making this video and let us know. It is a good hack.




Comments
terapong says on April 5th, 2009 at 3:05 pm
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terapong says on April 5th, 2009 at 3:07 pm
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Andrew says on June 12th, 2009 at 12:41 pm
I did exactly as in the video. I also printed a full yellow page, before adding the invisible ink. Just 1/10 of the page was yellow, i repeated this test until the printed yellow page was completely blank. After this, I added the invisible ink. Then, I printed a full yellow page. Suprize, the printed page was full yellow, even though I washed the sponge, even with soap, I washed the inside of the cartridge, with cotton ear-sticks with alcohol and I tested more than 5 times(by printing a full yellow page) if there is any yellow ink left.