OCR in Mainframe application which is inside Citrix



I have UiPath installed in local. I am logging into citrix to access mainframe. Where I am trying to copy a data through OCR. I have checked with different scale levels in Google,Microsoft and Abby Cloud OCR engines. Could someone help in any solution.

TEXT in screen If A
Output is 9 or Q or R

TEXT in screen If 0
Output is 0 or O