Thanks for the hex output.
This problem is sorted out in this commit: https://github.com/jhabjan/Ghostscript.NET/commit/a5c6d4a4128749242aef183dfc11efae7c38052e
This problem is sorted out in this commit: https://github.com/jhabjan/Ghostscript.NET/commit/a5c6d4a4128749242aef183dfc11efae7c38052e