GCC Technologies RX II Series User Manual page 144

Add Registration Mark by page size
If you want to create registration mark by page size, select the object, go to "Scripts" under
"File" and select "_AASII_Plug_In"
Tick "Make by page size" and click "Apply" and the
registration mark will be created on the 4 corners of the
page automatically, sown as below.
Note:
The length setting will be in the range of 10-50mm according to your page size.
Illustrator Plug-In A-5
RX II Series User Manual