This article will show you the settings to adjust so you can see through the products applied to rooms to be able to read the floor plan when printing.
This article applies to MeasureSquare 8 Build 7232 & newer.
Step 1: Go to File > Print

Step 2: Locate the 'Product Fully Opaque' option and make sure that it is not checked off.

Below is an example comparing 'Opaque' to 'Transparent'