Sometimes you need a physical copy of exactly what is on your computer monitor—whether it’s a confirmation receipt, an error message you need to show IT support, or a memorable photo. Since laptops don't have a direct "Print Screen" button that sends paper straight to the printer, the process involves two steps: capturing the image and then printing it.
Press Alt + PrtSc to capture only the window you are currently using, ignoring the taskbar and background. MacBooks (macOS) Apple Support Take a screenshot on Mac - Apple Support how to print laptop screen