Why does my book not look like my original PDF file? (PDF page does not be rendered correctly)

To solve this problem, you can change the render engine to GPL. The steps are as follow:

Step 1: Download and install GRL Ghostscript first.

Step 2: Restart the program.

Step 3: In the Import PDF panel, click "Render Engine" > select "GRL Ghostscript" as the render engine.

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