It is possible to order the controller board as a spare part B6979600
But you must return to Ricoh the broken controller board. This is required to get the new RSP license file for new controller board.
What you must to know - serials number of machine and old and new controller board.
I did it on some old models (Neptune and Dolphin).
Ricoh still support old wide MFP with Ratio controller!
You must know - you can install the new RSP license file ONLY on latest version of PLOTBASE 3.7.4 (that have Ricoh

Another way - http://ratio.us/
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