I have never heard of anyone successfully manufacturing their own toner. The charging properties, flow, and melting/adhesion would all be critical. I'm not a chemist though. The toner refill companies reverse-engineer OEM toners, but they only do so for the most common printers and usually don't offer new options (e.g. different gloss levels, etc.) but rather stick as close to OEM properties as possible, suggesting to me that it's quite a difficult process to come up with something new that will work in an existing machine. I would love to be proven wrong though. It would open up a world of possibilities to have many different qualities of toner available for existing machines. E.g. in a color laser I'd like to be able to come up with something that looked metallic but didn't ruin the charging of the toner. I'd love to have quadratone b/w toners (black, charcoal, gray, light gray) to produce really rich black and white prints. Or different warm/cool blacks. I'd love to have really bright toners to do fluorescent prints. Opalescent. The list could be almost infinite, especially for smaller/modular printers where you could load specialty toners cartridges/drums per job. I've not seen any of this though.  | 
12-25-2007, 11:42 PM
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