Questions:
- which rendering intent are you using?
- are you using black point compensation?
- fill a canvas with RGB = (0,0,0) in Photoshop and then do a conversion (Edit menu -> Convert to profile) to your i1-created profile. Then use the color picker and read out the converted RGB values. what are they?
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Answers:
Rendering intent = Perceptive
BPC = tried OFF an ON, makes no difference on the print
ICC-Profile for PhotoRag and EPSON 4800 Spec. Version 2 by i1Match:
RGB (0,0,0) perceptive, BPC OFF = 12, 11, 11
RGB (0,0,0) relative colorimetric, BPC OFF = 6, 6, 12
RGB (0,0,0) perceptive, BPC ON = 28, 25, 24
RGB (0,0,0) relative colorimetric, BPC ON = 12, 13, 18
ICC-Profile for PhotoRag and EPSON 4800 Spec. Version 4 by i1Match:
RGB (0,0,0) perceptive, BPC OFF = 9, 9, 8
RGB (0,0,0) relative colorimetric, BPC OFF = 6, 6, 12
RGB (0,0,0) perceptive, BPC ON = 19, 17, 16
RGB (0,0,0) relative colorimetric, BPC ON = 12, 13, 18
ICC-Profile for PhotoRag and EPSON 4800 created by Hahnemühle:
RGB (0,0,0) perceptive, BPC OFF = 0, 0, 0
RGB (0,0,0) relative colorimetric, BPC OFF = 5, 10, 19
RGB (0,0,0) perceptive, BPC ON = 30, 27, 28
RGB (0,0,0) relative colorimetric, BPC ON = 4, 11, 20
These numbers show really good what I mean. Only the Hahnemühle-Profile renders black as RGB(0,0,0) when using the perceptive RI without BPC.