Font size increasing

I want to increase the font size and when I am printing the invoice in A5 size it onky using 70%of paper and rest paper space were not use. Inhave uploaded the invoice pic where I marked orange box which is not utilise. How can I can print full page on A5

Manager supports only A4 and Letter sizes.
for A5 you need to develop a custom theme which is out of the scope of this forum.

Some of these links on this post may help

such as


Issue solved with custom theme. :+1::+1: