This extension is now defunct. I didn't use it enough (nor did many other people) and it's a pain to keep it updated with changes in the D&D Beyond website.
Chrome/Brave: Install the extension from the Chrome Web Store.
- View your character sheet.
- Resize your window so that you have two columns of boxes on the main view.
- Click the D&D Beyond Print Enhancer button on your browser toolbar.
- Open the print dialog (ctrl+p/cmd+p).
- Print settings:
- Color: Probably black and white.
- Margins: minimum.
- Scale: Default, unless you want to cram more on a page.
- Headers and footers: deselect.
- Background graphics: select.
- Review the print preview.
- Print!