2. Select the menu bar of the "drawing output" button
3. In the pop-up dialog box, select the "printer name" - "paper size" - "paper direction" - "number of copies". - "Paper Size" - "Paper Orientation" - "Number of Output Copies" - "Window Graphics", select the above parameters, and then click on "Preview"
4. Drag the mouse, select the area you want to print, and then a print preview window will pop up, if you determine the Print preview effect is the area you want, then click on the top left of the "print"; if the print preview effect is not what you want, click on the close, and re-select the area you want to print