It is dried in the vinyl
I don't know about vinyl, but isopropanol (rubbing alcohol, but not ethanol) works best for me with ink stains. Get the highest percentage you can find at the drug store.
Can you call the manufacturer? I'd be afraid that alcohol and such would remove the color.
I have had success getting ink out of clothing (son just sat on a pen a few weeks ago) with rubbing alcohol. It didn't get it all out (I had laundered the pants before noticing the stain) but it significantly lightened it. Good luck
Google this - might get better answers off a home site or something.
What type and form of ink? Ball point, marker, liquid? I suggest different inks have different ingredients which would determine what can lift it.
I also suggest you google the manufacturer and call customer service to ask. There are several Web sites that post information on how to remove ink stains. Google the type of ink to find sites.
Try rubbing alcohol first, make a little puddle over it and wait a minute, then scrub at it with a washcloth. Magic Eraser is great but can dull finish, so use caution if you try that.
This Stain Devil product worked wonders for me with laundry. I assume it would work on the floor too.
http://carbona.com/products/staindevils/stain-devils-numb...
also try a magic eraser
One of my kids got ahold of a permanent marker and drew all over or linoleum. I tried everything and nothing worked. About a week later I noticed it was just gone. I think it just eventually rubbed off as we walked over it.
Comet. Then you will need to make sure the area is very very clean. When it's clean and dry pour some floor wax on it and let it dry. It should be great.
