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Re:Ask HN: Why are there no open source 2d printers? by a1369209993 on Thursday October 15, 2020 @03:54PM (#24793039)
> it's another thing to get the transfer function between "75% transparent" and a certain amount of ink into the printer's brain.

Assuming the printer has sufficient color resolution/depth, you could do gamma correction as a preprocessing step on the host computer. Still obnoxious, though.

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