Step 1: Set the printer for printing invoices as the default printer.

Step 2: Printer Settings: Right-click Print and select Print Preferences.

Step 3: Print vertically, and click the Advanced button.

Step 4: Select A4 paper size and print quality as 180* 180, and confirm after completion.

Step 5: Open the IE browser, which is the webpage. Note: IE browser must be used. Other browsers are useless. Click the file in the upper left corner and set the page.

Step 6: Open the page setup, uncheck Enable Reduce to Paper Size.

Step 7: Enter the national tax invoice printing interface, and set the printer margin parameter to 75 on the left and 0 on the top.