Print on roll paper
Assuming MS Windows as the host environment for the browser, you can tell Chrome to print using the System Print Dialog, you can select the target printer, and set the Preferences. If you then hit the Advanced button, you can select PostScript Custom Page Size and from there, set the size of the'page' it has an option for Continuous Roll paper and allows one to set a page height of up to 5.08 meters.
Here: 