@chetanhit
This is such a regular request that I have added it to our common issues document.
It is not possible to change the font size now, and the ability for us to do so is limited because we are only able to use the fonts that are built-in to the printer (there are only two, and already we use the largest).
However, there is still some ability to adjust the font size, and I hope to make this easier by the 2.1 release that I’m working on currently.
If you are willing to modify your plugin locally, then you can check this thread for some advice. However, unless you are comfortable with PHP, I suggest waiting for 2.1, since any modification you make to your plugin now would not apply to the 2.1 or future releases.
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This reply was modified 3 years, 10 months ago by
lawrenceowen.