If your silhouette cameo 4 wont read registration marks for print and cut it is likely trying to read the grid lines on your cutting mat left.
Silhouette cameo mat not loading properly.
Not aligning the mat in the proper position.
Load media is used when you want to cut without using the cutting mat.
The cutting mat was not loaded properly.
The fix is to move the paper or material on the cutting mat over and up just slightly so it covers the top and left edge of the grid line box right.
When loading the mat into your cameo the left edge of the mat should be aligned with the alignment marking on the far left of the machine.
Choosing the wrong load option load mat vs.
If you look in the window screen there are 2 settings.
If you are using a cameo the right hand pinch roller is not locked into place.
This is done by using the arrows on the machine.
These are the top 2 user errors i found people are having with their silhoutte cameo 3s.
Failure to lock the roller bar.
During the loading process line up the mat with the small guide mark on the far left side of the machine rather than loading it justified to the left against the blade adjustment receptacle.