This Main board assy is suitable for Mutoh RJ-900X Drafstation printers. This is the original Mutoh part (number DG-43734 replacing part DF-49714). Mutoh have re-designed and unified the Drafstation RJ-900X main board to include memory on-board instead of using a memory slot.
This part is no longer available. The manufacturer has discontinued it with no replacement.
 
Printer compatibility
Mutoh RJ-900X (Drafstation)
Mutoh RJ-900XG (Drafstation)