That is exactly the procedure. Here is a posy I wrote about it a few years ago. It is based on doing it on macOS, but I would get notepad++ to do this on Windows. https://www.bwmastery.com/blog/2014/quad-files-and-how-to-edit-them Richard Boutwell
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Re: Windows quadtone Rip remapping an Epson 4880
2018-01-21 by richard@...