1. Check the printer connection: First, make sure that the printer and the computer are connected well. If you use a wireless connection, make sure that the device and the printer are on the same network.
2. Check the ink cartridge: If the printer shows "No ink cartridge" and you have replaced a new ink cartridge, please try to plug and unplug the ink cartridge again, or clean the dust on the battery chip and connector on the ink cartridge.
3. Check the error message: If the printer displays an error message, you can check the printer display screen or the print queue of the computer (it will appear in the queue when the printing operation fails). If necessary, you can find a solution to this error message on the Internet.
4. Restart the printer: Sometimes, restarting the printer can solve some printing problems.
5. Reset the printer: If the above steps can't solve the problem, you can try to reset the printer and reinstall the driver.
If you still can't solve the problem, it is recommended to consult the official customer service of Xiaomi printer, or go to the official service station of Xiaomi for maintenance.