How to print a test page?
Here are the steps to print a test page：
Tutorial video:
1. Long press the power button to turn on the printer.
2. Double-click the power button.
3.The Printer automatically print a test page.
Here are the steps to print a test page：
Tutorial video:
1. Long press the power button to turn on the printer.
2. Double-click the power button.
3.The Printer automatically print a test page.
