Extracting ink from carts.
You may not need to drill any hole or anything on your cartridge.
Check this thread from dpreview.
This is the conversion of how to extract Epson's cartridge in simple steps.
Get the kit from
|Bald Eagle by anisah|
from Features - lips/mouth
|heron and fish by APenza|
from A Big Year - birds
|Cows Cowering Under Rare California Super Cell by RBFresno|
from -The Old Cows-