031-301B310

Xerox B310 error 031-301: Quick fix

The Xerox B310 error 031-301 indicates that the main motor of the device has detected excessive resistance or a physical lock, preventing normal rotation. This code usually appears when there is an obstruction in the paper path that the user hasn't noticed. To fix the 031-301 error on the Xerox B310, it is essential to perform a thorough review of all trays and internal compartments. This multifunction model requires balanced paper loading to function properly.

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Common causes

  • 1Hidden paper jam in the output area.
  • 2Incorrect toner cartridge installation (no click).
  • 3Wear of the motor drive gears.
  • 4Paper of incorrect weight overloading the roller.

Solutions

Diagnostic

If the machine makes a 'straining' sound before displaying the 031-301, the lock is definitely a physical obstruction in the drive mechanism.

Step-by-Step Solution

  1. Power off the device and fully remove the paper tray.
  2. Open the front cover and remove the toner cartridge and drum unit.
  3. Search for small pieces of torn paper in the roller path.
  4. Reinstall the consumables, ensuring they click perfectly into their original position.

Prevention and Maintenance

Do not overload the paper tray above the marked line. Clean feed rollers with a dry cloth every 6 months.

When to call a technician

If after cleaning the entire paper path and ensuring no debris exists the motor still won't start, it could be an electrical failure of the main board.

Technical Specifications

  • Technology: Monochrome laser
  • Speed: Up to 42 ppm
  • Connectivity: USB, Ethernet, Wi-Fi
  • Capacity: 350 sheets (expandable)
  • Consumable: Xerox B310 Series Toner
  • Recommended Use: Medium load offices
  • Official drivers / firmware

Steps to follow

  1. 1

    Clear jam

    Open covers and remove any paper debris.

  2. 2

    Check

    Verify toner and drum are seated correctly.

  3. 3

    Restart

    Power cycle to reset the motor.

Frequently asked questions

It indicates a main motor lock, often caused by a hidden jam or improper cartridge insertion.

Yes, it is almost always a physical jam that can be resolved by inspecting the paper path.

It uses original Xerox B310 series toner cartridges.

Always use standard paper and verify that tray guides are adjusted correctly.