Xerox Fault Code 043-343 [portable] Jun 2026

| Scenario | Estimated Cost | Downtime | Who Should Fix | | :--- | :--- | :--- | :--- | | | $10 (supplies) | 1–2 hours | Experienced user | | ROS Unit Replacement (Part Only) | $250 – $600 | 2–3 hours (your labor) | Advanced user or IT staff | | Professional Service Call (no contract) | $150 (trip) + $400 (labor + ROS) = ~$550 | 24–48 hours | Most businesses | | Xerox Full-Service Contract | $0 (if covered) + monthly fee | 4–24 hours (SLA dependent) | Best for high-volume users |

Before diving into the solution, it is helpful to identify the usual suspects. Why did this happen in the middle of your print job? Xerox Fault Code 043-343

This can damage the ROS motor further. Follow this systematic approach instead: | Scenario | Estimated Cost | Downtime |

Inspect the connection between the YMC link solenoid (P/J203) and the Drive PWB (P/J413) for damage or loose wiring. 4. Component Replacement Vibration from daily operation can loosen this connection

The ROS unit connects to the IOT Controller Board via a flat flexible cable or a multi-pin harness. Vibration from daily operation can loosen this connection. Corrosion or a pinched wire will also generate this fault.