1. Edit the signature bar and other contents expected to be displayed on each page;

2. Click the page layout, and select the print title item to bring up the corresponding menu bar;

3. Click on the worksheet and set the top title line, that is, the domain where the signature column is located.

4. Then, confirm the completion.

In this way, in the print preview, you can see that the signature column is displayed in the top title line of each page, and the expected effect can be achieved when printing.