2. Then on the page layout menu, click the "margins" option.
3. In the drop-down menu that appears, click the Custom Margin option.
4. Then, on the margin page, set the top, bottom, left and right margins to 0 for confirmation.
5. Then the text content can fill the whole page, as shown in the figure.
6. In the print preview interface, you can preview the effect. If the effect is good, you can print it directly.