Issues with setting non-default printer paper

It is now generally a system of NT kernels such as Windows XP.

The system is equipped with a printer, such as a label printer, and a normal pin printer, and the default printer is a label printer.

The program is going to print to a normal pin-type printer.

For 2 kinds of paper,

1. Use the standard paper supported by the printer;

2. Use custom paper.

The relationship between the print direction of the text and the width and height of the paper:

Issues with setting non-default printer paper