Density
Because a Press Room spectrodensitometer is expensive, the use of the spectrophotometer, which already equips your copier or your proofing system can, thanks to Coraye, serve as a densitometer.
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Because a Press Room spectrodensitometer is expensive, the use of the spectrophotometer, which already equips your copier or your proofing system can, thanks to Coraye, serve as a densitometer.
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This feature, proposed by Coraye, can not replace a Press Room densitometer if the spectrophotometer you have does not support the M3 mode (polarizing filter). To be able to measure a wet ink density, your densitometer must be equipped with a polarizing filter to obtain the same density values between a wet ink and a dry ink. For color values (Lab), the measurement must always be performed on dry inks.
The first thing to do, is to read yours solid colors samples Cyan, Magenta, Yellow and Black e.g. Don't forget to read the Paper, value on an unprinted area, if you have to get the relative density values.
To know the density values, you just need to select your color in the left column, then go to the right column to see the values in the Color density area.
To obtain the relative density values, you have to select "Relative" in the "Mode" area, then you have to drag & drop the Paper reading in the "White Reference" area.
Relative density (-Paper) values