First, double-sided printing of PDF documents has nothing to do with PDF software settings.

1. To print on both sides, you need to support the printer. 2;

2. Need to be configured in the printer settings.

Second, how to set up PDF documents directly to double-sided printing?

1. Open the PDF document, click the File menu in the "Print" (you can also use the shortcut keys: CTRL + P). 2;

2. In the pop-up print settings window, select the printer to support two-sided printing, and check the "double-sided printing" option;

3. Click "Print" to complete the double-sided printing.

Third, if the printer does not support direct two-sided printing, how to deal with?

If the printer does not support direct two-sided printing,merge pdf rearrange pages you can manually double-sided printing, although some trouble, but as long as carefully operated, it is also feasible.

Manual two-sided printing of PDF documents need to be manually fed or flip operation, the specific steps are as follows:

1. Open the PDF document, click the File menu in the "Print" (you can also use the shortcut keys: CTRL + P). 2;

2. In the left side of the new pop-up tab, select the installed printer (located in the center), and in the printer below the choice of "manual duplex printing;

3. After completing the printer and "manual duplex printing" settings, click the "Print" button to start printing. 4.

4. In manual duplex printing, you need to pay attention to the printer's prompts, according to the prompts to manually turn over the paper feed operation. Do not leave the printer.