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Gloss optimizer and fading of dye inks

Discussion in 'Epson InkJet Printers' started by Ink stained Fingers, Apr 13, 2017.

  1. Aug 20, 2019
    Ink stained Fingers

    Ink stained Fingers Printer Master

    Joined:
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    Printer Model:
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    The patches are out in the environment now for 35 weeks - for more than half a year with these results:

    Paper Fading Test Epson 106 + GO overprint
    Total Lightness increase of CMYK patches (Range from 0 - 255)
    (measured with a scanner, delta via the histogram vs. a copy kept in the dark)
    L1800 Printer, Epson 106 inkset, Ultra Glossy driver setting, Sihl glossy paper

    _______________patches w/o GO_______patches with GO

    after week 1__________1_________________0
    after week 4__________4_________________3
    after week 7__________8_________________5
    after week 11_________20________________12
    after week 15_________31________________21
    after week 19_________54________________42
    after week 23_________73________________55
    after week 27_________92________________72
    after week 31________115________________92
    after week 35________153_______________119

    Fading Test  w35.jpg

    Cyan remains by far the weakest ink, weaker than black;
    I'm running a little test in parallel with the Epson 106 and the Fuji Surelab cyan inks, they fade equally fast, this now after 12 weeks .

    I think I'll stop this test now at this point, this test was done with one type of gloss optimizer - from octopus-office in Germany, I don't know whether the Epson genuine GO would give the same level of protection or more or less and don't know either how GO's from other 3rd party suppliers would perform
    in comparison. Applying a GO overprint to dye prints is a non-standard procedure and it would be a question for a user whether these results are worth the additional effort. You effectively need both a dye ink printer and a pigment ink printer with GO for this approach - Canon Pro 10/100 or Epson P400/600.
     
    Last edited: Aug 20, 2019
    The Hat and PeterBJ like this.
  2. Aug 22, 2019
    Andreas S

    Andreas S Getting Fingers Dirty

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    Hello ISF, If you still have the prints it would be of interest to measure them with a spectrophotometer to get the exact delta-e values.
     
  3. Aug 23, 2019
    Ink stained Fingers

    Ink stained Fingers Printer Master

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    Sorry, I dumped the color card already as I finished the test cycle
     
    The Hat likes this.
  4. Aug 23, 2019
    Andreas S

    Andreas S Getting Fingers Dirty

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    Maybe at the next time.
     
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