Blank Display After RFU Error in an HP4250/4350


The problem:  I was trying to upgrade base firmware and received the RFU error. I then tried to resend the firmware again and now I have a blank display.

The solution: You can order a flash dimm [part #Q7725-xxxxx]. Install this flash dimm and set the jumper(J53) boot select on the top middle of the formatter  to pin1 and 2 looking from left to right. This will allow the printer to boot from the new dimm instead of the one built in to the formatter.

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