A. Printing from the Main View

This may differ from each make and version, but is basically obtained under the "File..." and then "Print ..." function of your browser.
Consider having a look at the additional setting capabilities of your configuration to select more appropriate (combination of) settings where relevant:

• the Properties linked with your printer and printer's driver
• the Page Setup linked with your browser

B. Printing from a Detached View

Since no toolbar is present in the detached view, you will need to hit the <Ctrl> and the <P> keys of your keyboard to invoke the print dialog box.

You can beforehand specify the display mode of the detached view, using the Display toggle button located in the header, right after the right Set button.

•  This is the setting by default - the Screen mode. The header is kept visible at all times, and the vertical scrolling only affects the data tables. Click on the icon to toggle in the Print mode.
•  The Print mode is used when you want to keep the header and the data together in one piece - typically for sending the whole content of a page to a printer. Click on the icon to toggle in the Screen mode.

Consider having a look at the additional setting capabilities of your configuration to select more appropriate (combination of) settings where relevant:

• the Properties linked with your printer and printer's driver
• the Page Setup linked with your browser (more specifically the orientation of the paper: Portrait or Landscape)