I thought the open source (in fact free source) started with printer driver ... It is always closed but you can hack it. As regards for the ink it is a differe

I thought the open source (in fact free source) started with printer driver ... It is always closed but you can hack it. As regards for the ink it is a different matter. Can you have open source printer but the ink is sort of close in some sense. You can open the source but not the keys I wonder.