1. color printer: Make sure you have a printer that supports color printing. Ordinary black-and-white printers cannot print color content.
2. Health certificate document: Save your health certificate as an electronic document, such as PDF, JPG or PNG format. You can download it to your computer or mobile device, or email it to yourself as an attachment.
3. Printing Settings: On your computer or mobile device, open the health certificate file and select the color printing option in the printing settings. In some printer drivers or print settings, you can select color mode, high-quality print settings, and so on.
4. Print preview: It is recommended to print preview before final printing. This will show the layout and appearance of your health certificate on paper. You can adjust the magnification or other settings to ensure that the printing effect meets your expectations.
5. Print: Select the print command, and make sure that the printer is well connected and has enough paper and ink cartridges/inks. After confirming the correct settings, click the print button to start printing.
The above steps may vary depending on the printing device and software.