Append the following link parameters to your calendar URL (in the browser address bar). Adjust the dates as needed for the months you want. Here's an example that would print February - May 2026:
Hide all events by clicking the eye icon above the sub-calendars.
Click the double arrow to hide the left side panel:
Then you'd get a blank four-month calendar printable on one page:
Use your browser's print function or ctrl-P to print. Check and adjust the page orientation and scale as needed to ensure the calendar prints on a single page.