Junction 2 Board for Mutoh VJ-426UF / VJ-628 / VJ-1626UH / VJ-1617H / VJ-1638WX - DG-43396. Printer Compatibility: Mutoh VJ-1638 / VJ-1638W / VJ-426UF / VJ-628 / VJ-1626UH / VJ-2638 / VJ-1617H / VJ-1638WX / VJ-1638X.
eBay