I bought a regular toner printer because I was worried about the archival qualities of the wax. It can technically re-melt and/or become sticky in high enough temperatures (like on a car's dash in the summer.)

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I still have my Phaser 300 wax prints of schematics I did when I used to have my printer. around 1999 or 2000 or so. I decided to pull them out because of memory lane of discussing this here, and they are still good.