Hello everyone,

I'm dealing with a persistent issue on a Xerox VersaLink C7130, showing the following error:
062-311 - IIT Software Logic Fault

I've already exhausted all available resources, including thorough guidance from ProLibro, but the problem still remains.

To troubleshoot, I had a perfectly working VersaLink C7130 right next to the faulty one, and I methodically swapped all relevant parts as recommended in ProLibro, including newly ordered components—still no change.

Steps I've taken so far:
  • Swapped IIT assembly, scanner board, and cables.
  • Replaced HDD and RAM, assuming it could be software-related.
  • Performed firmware reinstallation and software resets.
  • Checked all connections for bent pins or damage — everything seems clean.

Despite all of that, the 062-311 error still appears on boot.

At this point, I’m starting to suspect a board-level issue (maybe ESS or SBC board) or possibly a corrupt/incompatible firmware load, but I'd really appreciate insight from anyone who's dealt with this specific error or can suggest an advanced-level solution.

Any help or direction would be greatly appreciated.

Thanks in advance!
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