I don’t think you’d necessarily need a separate theme for print, but rather your theme could/should implement something for @media print. This is a related help question (unfortunately without many answers): How to style the PDF with @media print?
I don’t think you’d necessarily need a separate theme for print, but rather your theme could/should implement something for @media print. This is a related help question (unfortunately without many answers): How to style the PDF with @media print?