Chinese Language Text Won't Print

I am setting up Loyverse for my restaurant in Taiwan, and I want to use two languages for the items on the menu. It is a British restaurant, but most of my customers are Taiwanese. I can manually add all the menu items like this, for example: Cheeseburger 
牛肉起司堡, but whenever I print, it only shows the English text. Is this an issue with the printer or with the Loyverse app?

Also, I have set the receipt language to Chinese in settings, but it still prints in English. 

Any help would be greatly appreciated. 

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