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The motor itself may have a burned-out coil, worn brushes, or an internal electrical short.
While a simple restart occasionally resolves a 043-343 error, it is often a signal that a mechanical component
2. Investigating Mechanical and Solenoid Faults (When Link Bar Fails)
This guide breaks down what this error means and the steps you can take to get your machine back online. What is Error 043-343? The 043-343 fault code indicates a detection error with the YMC (Yellow, Magenta, Cyan) Link Sensor
Troubleshooting steps (practical, ordered) Xerox Fault Code 043-343
Turn off the printer using the power button, wait two minutes, and then power it back on.
Update or reapply firmware
If the operating link bar successfully moves up and down during this test, the mechanical components are intact, and the issue is likely a faulty sensor. If it does not move, the issue lies in the gears or solenoid. Step 3: Inspect the Solenoid and Drive Circuitry
Open the front covers and remove all consumable items one by one: the toner cartridges, the drum cartridges (imaging units), and the waste toner bottle. The motor itself may have a burned-out coil,
Wait at least 60 seconds to drain remaining energy from the capacitors.
Carefully pull out the .
If the bar moves dynamically but the error persists, the printer is blind to its own movements due to a sensor tracking failure:
Understanding why this error happens can help you determine whether you can fix it manually or if you need to order replacement parts. What is Error 043-343
Loose connections, short circuits, or damaged wiring between the YMC link sensor and the drive PWB (Printed Wiring Board). Component Failure: A faulty drive assembly, drive PWB, or ESS PWB. Step-by-Step Troubleshooting 1. Perform a Power Cycle Before digging into the hardware, try a basic reset.
: Inspect the drive assembly gears for any visible damage or excessive wear.
If wiring checks out but the test fails, replace the components in this priority sequence: Drive Assembly (PL 40.05 Item 1) →right arrow Drive PWB (PL 1.10 Item 3) →right arrow ESS PWB (PL 3.10 Item 6) . 3. Investigating Sensor Failures (When Link Bar Moves)