black

  1. C

    What is a photo black cartridge for?

    If you print photos (on photo paper) then you use the dye-based black (denoted K often times I gathered) instead of the pigment-based black (Bk). Now when does this "photo black" actually get used? Is it only for the parts of the photo where it is completely black ("true black")? Or does it also...
  2. BlueToBits

    Filling CMY cartridges with black ink to get opaque black?

    Hi. I need to print black on transparency as opaquely as possible using a HP7500 E910 printer. It's a back-lit sign with clear letters on a black background 400mm x 300mm. I have worked out how to force the printer to print a composite black using CMYK which works best for the self-adhesive...
  3. wannaby

    Workaround to print with PK Photo Black on Epson 3800 3880 with Leaking Black ink problem

    Hello… I recently discovered your informative forum while researching a problem with my “vintage” Epson Stylus Pro 3800 printer and thought it was time to join. Following forum guidelines, I’ll try to be forthcoming, while hopefully not providing unnecessary information. If the background info...
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