Recent content by DeltaE

  1. DeltaE

    Fixing a Color Problem

    the Sunlight will be changed from morning to afternoon, from cloudy day to sunshine day,... so your standard light has been changed... it is not good for color checks, is it? Even we use standard light (D50) for checking color, our clients could compare the printed color everywhere they want...
  2. DeltaE

    Fixing a Color Problem

    how could we convince the client that the color is fine? It depends on their opinion, their feeling and their mood; there is always different point even nonsense if they intend to look for... "our client is always correct"
  3. DeltaE

    Kodak Maxtone SX on offset press

    @gordo It might be not related to this topic, and I have question about process control, especially in prepress when I make plates with very high resolution (more than 300 lpi with AM, or 10 micron with FM). What do you think about the acceptable tolerance for plate dot area in 1%, 25%, 50% and...
  4. DeltaE

    Offset Press Calibration CMYKOG

    WOW, it is good to read this response!
  5. DeltaE

    Issue when running Device Link profile with Pistop 2018

    Thank you, I will
  6. DeltaE

    Fluorescent ink

    In my opinion, this ink will absorb UV light and emit some visible light. So I recommend you to use spectrophotometer with light source with UV light (like xrite eXact - M1). See picture for your infomation! Regards, Delta E
  7. DeltaE

    Issue when running Device Link profile with Pistop 2018

    Hi All, I have been using Pistop 2012 for years, which is very easy with an action "Devicelink profile" in order to reduce TAC of printing file. I want to update and just install newer version 2018, use same action and same devicelink profile as in Pistop 2012. When I click on "Run" button of...
  8. DeltaE

    Ink Density Uniformity on Circumferential Direction

    :cool::cool::cool: It is nightmare of printer! ha ha ha
  9. DeltaE

    Ink Density Uniformity on Circumferential Direction

    Erik Nikkanen Thank you for great input!
  10. DeltaE

    Ink Density Uniformity on Circumferential Direction

    cementary Thank you! The condition of inking and dampening rollers is very important to uniformity! Last week, when we made a G7 colorspace, I had the density deviation from front to tail: - Black: +/- 0.05 - Cyan: +/- 0.04 - Magenta: +/- 0.04 - Yellow: +/- 0.03 It was fine for us to get a...
  11. DeltaE

    Ink Density Uniformity on Circumferential Direction

    Hello everybody, I have a question about the solid ink density in circumferential direction, the uniformity of density in sheetfed offset machine (ex: Heidelberg CD102, Rapida 106, Man Roland 700, Komori,...) How can I improve the uniformity of ink density on the circumferential direction? I...
  12. DeltaE

    Trouble color matching blues & purples - offset CMYK, G7 methodology, GRACoL 2013

    prepress labels You are so bad! :mad::mad::mad::mad::mad:
  13. DeltaE

    Trouble color matching blues & purples - offset CMYK, G7 methodology, GRACoL 2013

    Please tell me the CMYK composition of your "Dark Blue and Purple"!
  14. DeltaE

    Trouble color matching blues & purples - offset CMYK, G7 methodology, GRACoL 2013

    Hi there, If I right understood, it is hard for you to match the offset printout with the proofing (from Epson which is simulated in GraCol 2013). Here is my idea for you: Your custom profile (your machine, curves, SID, Lab of CMYKRGB,...) now is not matched with Gracol 2013. It causes your...
  15. DeltaE

    Creating a custom proofing profile for Uncoated stock

    In my point of view, you need: - Ensure that the offset machine is in good condition (no doubling, no slurring, no color variation, no streak marks), enough printing pressure, no scumming or smearing. The ink density should be in tolerance through horizontal and vertical direction.... - OBA as...

Automatically Autonomous Automation

Automatically Autonomous Automation
Although the autonomous car is not quite ready, a lights out print operation is something you can do right now if you have a comprehensive Print MIS (Management Information System). The advantages can put money on your bottom line. So what’s your next step? Link to Article

 
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