There has been report about POS transaction reports that are cut-off when previewing and printing.
Users may be able to print the Transaction reports while on portrait due to it being cut-off.

Example :

But there has been a quick fix for it . By following this set-up on the Interface Settings .

Setup Tools/Miscellaneous/Interface Setting set Grid Font Size - Use Small Font,  Grid Font Scaling to New,  Minimum Print Font Scaling to lowest.