Is there a way to only print the shift the are used each day and not all 40 of them waisting paper

The method is influenced by the software and printer being used as well as the access granted to the person using the program.

If you are using an Excel or Calc spreadsheet, you can select the area to be printed.

https://www.wikihow.com/Print-Part-of-an-Excel-Spreadsheet

https://support.office.com/en-us/article/set-or-clear-a-print-area-on-a-worksheet-27048af8-a321-416d-ba1b-e99ae2182a7e

You can preview the area that will be printed prior to printing. And you can definitely change the number of pages you are going to print.

https://hubworks.com/blog/twelve-steps-to-a-microsoft-excel-employee-shift-schedule.html

https://www.betterteam.com/employee-schedule-template#excel-employee-template-schedule-download

Here is a page offering a daily shift scheduling template which may be downloaded for free:

https://www.smartsheet.com/free-daily-schedule-templates

Here are some free employee scheduling programs:

https://fitsmallbusiness.com/best-free-employee-scheduling-software/

Here is an online system:

https://opensimsim.com/

And: https://getsling.com/

Here is a personal shift calendar:

https://www.firehouse.com/shiftcalendar