> How do you propose to use a bump curve that linearize a 2% dot on press? ok flexo people usually refer to this as bump curve but is really a cutback curve. You need a rip capable of large supercell screening together with linearization (linearization integrated in screening). You can't use too high a resolution, because you need the minimum dot to be reproducible on press. So better to use 1200 or 1270dpi, that way your minimum dot will be 20 or 21 microns. Then you just create patches from 0 to 10% in 50 steps (so 0.2% each step), better in vector (precision is higher), output them linear, print, measure, and build your first curve. With that curve active in the rip, you print patches from 1% to 15% in 1% steps and measure again. you correct the first curve with the second set of measurements. Harlequin allows this, other rips too. Barco Intellicurve does too. How much highlight you'll be able to get depends on using a low resolution, on your rip's screening and curve capabilities, and on your platemaking and press capabilities. If you don't use a low resolution, you'll need special screening such as Samba or Sublima or something like that to limit the minimum imaged dot. I'm not sure how easy is it to print 21 microns on flexo, maybe 30 microns would be more like it, then you'd need to force resolution down to 900dpi which will give you grainy images. That's why special screenings are so popular in flexo, they limit the minimum dot while keeping a high resolution. we are quite out of topic here, aren't we? I'm somewhat new to the world of flexo, haven't suscribed to a flexo forum yet except FlexPack in Printplanet that has so little activity... -- Roberto Michelena Infinitek Lima, Peru