To reset your PIXMA MG6821, please follow these steps:
1. From the Home screen on your PIXMA MG6821, swipe the screen until to see Setup and select it.
2. Select Device Settings.
3. Select Reset settings.
4. Select Reset all.
I accidentially set my language to Chinese and now I can't read any of the settings. How do I get back to English? Or should I try to restore factory settings. Remember, all menu options are in Chinese, so I can't read them. But I can count down from the top of the menus, if you can direct me.