So i tried using black ink compensation because i had low ink limits. It helped get a better profile, but still not enough. While looking more into this, I found some helpul information from someone in another forum. It helped greatly. Mainly it’s making sure the ink RESTRICTIONS are correct BEFORE getting to the ink limit step.
Here’s what I found:
"You need to be in “Advanced” Ink Restrictions to use Lch to decide on the ink restrictions - hit the Measure Tool and view the graph.
Unfortunately you can only use a spot-reader to read the patches in - something like an eye 1 device. Yours is a strip reader I think so you can’t use the tool properly until Onyx enable strip reading with the Measure Tool - it’s in the pipeline though. Seems you have to stay with density as you say.
I think you mean the Ink Limit Swatch? where there is more than 1 line per number you assess all the rows and choose the lowest number on either where you see no issues. eg 4a has drying problems at 3.2 4b has drying problems at 2.9. You set the lowest one (2.9 here) as your ink limit. Same for the 3 line grey swatch.
Black ink compensation, as I understand it, is used when you have a media which is barely compatible. Sometimes you have to set your ink limits very low. 12&3 are often around 2 - 2.2. this is normal. If your 4,5 &6 are giving you real problems you sometimes have to set these in the low 2’s as well. When you do this your gamut takes a big hit as you are limiting your colours in the shadows. You can achieve light & mid colours, and of course black, but there are fewer dark colours. If you leave BIC at 1 and build the profile you will not only see a reduced gamut (not much you can do here) but in a grad on an image you will see a mid-grey where your dark colours should have been. This “capping” shows up instead of the darker coloured shadows you were expecting.
Now the BIC comes into play. By increasing this up to 4 - 4.5 you will “pull” the black and mid colours together, “compensating” for the lost darker colours and hiding the capping.
If your 4,5 & 6 are in the high 2’s or 3’s the you can leave BIC at the default 1.
Don’t forget the icc will try it’s best to fill in some of the missing darker colours. If you limit them in the low 2’s and then print off an icc swatch you will still see some darker colours in the icc swatch even though it looks as if you threw them all away when you put a low ink limit on them. It is usually more forgiving then many people realise and you can do a fair job profiling papers that many would at first view as incompatible."
Ref: printplanet.com/forums/wide-form … nting-slow
I hope this helps, it did for me …