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  1. Bill W

    Still using manual trapping?

    Greetings Phil, As I mentioned I "played" with the demo version. I started in this business in 1981 and learned traditional film stripping (trapping, imposition, etc). In 1991 I converted to digital using Illustrator 3 to "hand trap" files digitally. I hand trapped until we purchased Prinergy...
  2. Bill W

    Still using manual trapping?

    We use Prinergy, which of course is quite expense. I only mention that because I am very impress with the trapping plugins that Esko offers for Illustrator. Here are the links for demo versions for their two trapping plugin offerings: Instant Trapper for Adobe Illustrator ® - Interactive...
  3. Bill W

    Do CMYK builds have to be in 5% increments?

    In 1991 when we purchased our first imagesetter, I thought good, now I can make a 50% in the file print 50% on the press. Through fingerprinting, flexo, we discovered that a 33% printed a 50%. So I created a curve to pull 50 to 33 and printed my 50% in the file as a 50% on the label - big...
  4. Bill W

    Transparent Image Over Gradient in Illustrator

    Not to cast aspersions on Kodak, but my experience with their support is that for system support they are great, but for helping with printing / rip / graphics problems they are not so "great".
  5. Bill W

    Transparent Image Over Gradient in Illustrator

    I only see banding in the CMYK gradient when I allow the transparent CMYK image to overlay the gradient. If I mask the image so there is no overlaying on the gradient then there is no banding. In my testing of the unmasked image over the CMYK gradient, both APPE and CPSI RIP produced banding...
  6. Bill W

    Transparent Image Over Gradient in Illustrator

    The gradient is a CMYK mix with sliders set to achieve the color the customer desires. I do not think a match could be made using a spot color.
  7. Bill W

    Transparent Image Over Gradient in Illustrator

    Yes the blend does got to 0%. We are using maxtone and hyperflex to mitigate the drop off. However while those two technologies help the drop off, they still to not mask the gradient blend steps.
  8. Bill W

    Transparent Image Over Gradient in Illustrator

    CHM - thanks but those TIFS are not screened. However if you bring the black tif into photoshop and add a curve you will see that the same gradient steps show. Based on that I think your file would also show steps when screened.
  9. Bill W

    Transparent Image Over Gradient in Illustrator

    Aaron, we are running v 5.2.2.1. Thanks for the tip, however changing the 1st refine to "leave as is" did not change the look of the gradient. Our corporate office was the first of our locations to have the APPE RIP and they did not feel it was very helpful, so I have not tested it until this...
  10. Bill W

    Transparent Image Over Gradient in Illustrator

    Stephen, PDF version is 1.5. As far as I can tell the transparency is live. I say as far as I can tell because when I try either the APPE or the CPSI engine Prinergy reports that transparency has been found and it is being flattened. I have little experience with using the APPE engine so I do...
  11. Bill W

    Transparent Image Over Gradient in Illustrator

    Unfortunately Rich, it does not show on my Epson 4880 with Oris rip. In this case the gradient is a process mix. The radial gradient length is about 3 inches and the values go from 0% to 10% for cyan and black, higher values for the magenta and yellow. However there is a mask that clips the...
  12. Bill W

    Transparent Image Over Gradient in Illustrator

    I have attached a PDF that further describes my dilemma. I could find no way, other to rip this to film (yes we still use film) to see how the gradient was affected when overlayed by the transparent image. We are a Prinergy shop and use TIFF Assembler Plus to check ripped files before sending...
  13. Bill W

    G7 - Solids Are Good - Overprints Are Not

    I have always been satisfied when comparing proofs created from my profiles against proofs created using the GRACol profile, taking the difference between flexo and offset in to account. I am challenged as to how precise to be in meeting ISO12647-2 since my G7 travels have all been by the seat...
  14. Bill W

    G7 - Solids Are Good - Overprints Are Not

    Just measured the press pieces, here are the numbers: CM: Target: CV 74.6% PB 75.8% Bearer: CV 74.3% PB 85.6% CY: Target: CV 80.1% PB 89.1% Bearer: CV 76.5% PB 90.6% MY: Target: CV 75% PB 79.8% Bearer: CV 76% PB 85% For those that did not see earlier definition for CV and PB - CV is initial...
  15. Bill W

    G7 - Solids Are Good - Overprints Are Not

    Greetings Lewis, Thanks for your interest. You are correct in stating that sticky back can play a much larger than expected role in ink density. However we have optimized sticky back with the specific plate material we are using. In regards to comparing 95% to 100%, the targets measured were...
  16. Bill W

    G7 - Solids Are Good - Overprints Are Not

    G7 - Solids Are Good - Overprints Are Not Gordo, I have attached a PDF file that contains measurements, (densities, Labch, dE-Lab) of overprints and primaries. A bit of background. All of our jobs have bearers that include, among other graphic elements, primary solid and tint blocks, and...
  17. Bill W

    G7 - Solids Are Good - Overprints Are Not

    Thanks Gordo, but I am dealing with flexo and digital presses, not litho presses. As you know a whole different set of challenges in terms of ink trapping.
  18. Bill W

    G7 - Solids Are Good - Overprints Are Not

    A G7 expert from one of our ink companies was the person that got me thinking of trying to get the secondaries to be closer, as I was concentrating on only the primaries. My question rephrased, is: If one does not have a tool such as Print Control, does one just use their knowledge (SWAG) to...
  19. Bill W

    G7 - Solids Are Good - Overprints Are Not

    I run P2P qualifications on flexo presses and our new HP digital 6600 press. I can get the solid CMYK to meet the specs of ISO 12647-2, but quite often my overprints are out of spec. Not all of them sometimes just 1, sometime 2. CMY is the one that is the most trouble. What tool does one use to...
  20. Bill W

    License Infringement Letter

    The letter does include contact information, a law firms mast and was signed by one of the lawyers employed by the firm. I am sure kseldrodge1 removed those items, along with the salutation to his company, as I was doing to post my copy when I noticed he had posted his copy. If you watch the...

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