[Alt-photo] Darkroom Print Driver

forums at walkerblackwell.com forums at walkerblackwell.com
Wed Jul 19 13:41:30 UTC 2017

Hey everyone. 

I’m in the initial stages of building a totally new Epson driver dedicated to light sensitive print production (historical process and silver). It will make both positive and negative transparencies and be fully controllable with standard ICC profiling systems (just like normal paper inkjet printing). It will also double the resolution of the Epson printer beyond what the Epson drivers allow (new driver will do 2880x2880 for wide format printers, and 5760x2880 for small format printers including the new SureColors).

I’d like your thoughts on what default negative density slopes would be useful as a starting point.

Here are my thoughts on the defaults and the naming schema. These are essentially “media types” that you would select before hitting print.

Platinum and Palladium
Gelatin Silver


Gum is not in there yet because I want to have more than one gum type that would do the RGB separation properly in the driver . . . maybe in later versions.
Ziatype is also not in there because it’s all over the place . . . . maybe salt is too . . . .

Anything else? Should it be a totally different list?
Your suggestions and comments are most welcome.


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