How to Fix OKI B432dn 310 Error Code
The 310 Error on the OKI B432dn is a fatal fuser error indicating that the fuser unit fails to heat up to its target temperature within the allotted time limit.
Common causes
- 1Power supply voltage fluctuation or unstable wall outlet connection.
- 2Fuser thermistor is dirty or malfunctioning.
- 3Broken fuser heating element or lamp.
Solutions
How to Resolve the 310 Fuser Error
This error triggers to protect the hardware from potential thermal runaway. Follow these procedures to resolve it:
- Perform a Hard Power Cycle:
* Turn off the printer power switch.
* Unplug the power cable from the wall outlet.
* Wait at least 15 to 20 minutes to allow the fuser's temperature sensors to cool down completely.
* Plug the printer directly into a wall outlet, avoiding power strips, extension cords, or UPS units.
* Turn the printer back on.
- Inspect the Fuser Connections:
* Open the rear access door of the printer.
* Ensure the fuser lock levers are engaged properly on both sides.
* Reseat the fuser unit to ensure the electrical contacts are clean and tight.
Steps to follow
- 1
Power Down and Unplug
Switch off the B432dn printer and completely disconnect the power cord for 15-20 minutes to reset the thermal lock.
- 2
Plug Directly Into Wall Outlet
Ensure the power cable is connected directly to a wall socket to deliver optimal amperage to the fuser unit.
Videos
Frequently asked questions
No, this is a safety lock designed to prevent overheating. It can only be cleared by addressing the power or replacing the fuser unit.
Not necessarily. If the error occurs due to low power voltage, a hard reset and direct wall connection will usually fix it.