Color codes will pass through pipes just like any other output.

In this case, your grep is being smarter than you want and actually parsing the incoming color codes itself.

You can try a simpler program like head, tail, or even sed -n /ii/p to see it for yourself.

You can also control GNU grep’s color processing with --color but you may not find exactly what you seek.

MODE=0022 sounds like user perms are different from group and other.

0022 in octal perms corresponds to u=rwx, g=rx, o=rx.

I don’t know if udev “MODE” is the relevant thing here but you could try 0002 so the user part and group part are the same.

Do you mean you want to put the resulting image files into a particular folder on your computer?

I would have thought anything to do with folders and stuff is up to your scanning software, not the scanning device.