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inkAID™

At the intersection of art and technology

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D. FAQ – Troubleshooting

Categories

  1. Overview
  2. Compatibility
  3. Application
    1. General
    2. Metal
    3. Canvas
    4. Fine Art/Handmade Papers
    5. Fabric
  4. Troubleshooting
Q. I see streaks in the inkAID after it has dried on my substrates. What should I do?
A. If you’re using a bristle brush, try switching to a foam brush; this should cut down significantly on the streaks you see. Be sure to apply two coats, while still wet, brushing the second coat in a direction perpendicular to the first. If you’re still having problems, you could try diluting the inkAID with up to 10% distilled water for a smoother flow. Use caution when diluting the coatings. The more water you add leaves less dry coating in place to print on.
Q. Do you have suggestions for applying inkAID with a sprayer?
A. You can apply inkAID using a sprayer but keep in mind that water based coatings have a tendency to mix air into the coating which results in foam. Most foam bubbles will settle out as the coating dries. If you’re using a sprayer, make sure it’s set to handle thicker, heavier materials, so you’ll be able to apply enough coating to handle 200 – 300% ink loading. Be sure that the coating is flowing and self leveling in the areas where you’ve completed spraying. You should be able to coat in one spraying pass if the sprayer is set to apply enough material through the orifice. An HVLP (High Volume, Low Pressure) Sprayer like the Campbell Hausfeld HV3000 is recommended. Good results have also been obtained using a Paasche VLS Airbrush with the No. 5 tip and 50lbs of pressure. Spray several light layers using the 7 ml (one large color cup) evenly on an 11”x 22” piece. inkAID products can be diluted with 10% distilled water to aid in spraying, if necessary.
Q. I’m printing on a nonporous surface and my images seem to have areas of wet ink and a speckle-pattern in areas of heavy ink, and the ink is slow to dry. Why is this happening, and what can I do?
A. Make sure you’re printing with the 1440 x 720 setting; the printer uses less ink and prints more slowly, giving the ink more time to dry between passes. When you use the clear inkAID products on a nonporous substrate, be sure to use the highest resolution possible – it gives the best results.
Q. How can I stop ink from puddling on an inkAID coated metal print?
A. When preparing metal or any non-porous surface, applying the correct amount of inkAID coating is required. For non-porous substrates you want to apply enough coating so that it will flow and level by itself with a minimum of brushing. Another appliocation method that works very well on non-porous substrates is a coating rod. The more inkAID you apply, to a point, the more coating material you give the ink to hold onto.
Q. I’ve double coated a sheet of paper with inkAID White Matte Precoat, and after printing, the finish is interrupted by shiny areas where it appears the ink has been most heavily applied. Is there anything I can do to eliminate these shiny patches without sacrificing print quality.
A. Yes, there are a number of things you can try:
  1. If you’re using an Epson printer, Epson Ultrachrome produces a photo black ink and a matte black ink. Try switching sets.
  2. Make sure you mix the precoats thoroughly before each use. The solids in inkAID precoats will settle to the bottom, which can result in an uneven coating application.
  3. In dark areas of a print, more ink is put down and it may be that all the ink cannot be absorbed. Try reducing the ink load to below 400% by using a RIP or lightening the darker areas of your images in Photoshop.
  4. Don’t touch the inkAID coated surface before use. Doing so can leave an oil residue that can affect print quality.
  5. A post-coat of Matte Acrylic Varnish may eliminate the shiny areas.