321MB261

OKI MB261 Error 321: Paper Feed Failure

The OKI MB261 error 321 warns that the paper transport system has failed to pick up a sheet from the input tray. This is usually caused by dust on the pickup rollers, misaligned paper in the tray, or paper sticking due to high humidity. Regular cleaning of rollers is recommended.

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Common causes

  • 1Dirty pickup rollers.
  • 2Improper paper loading.
  • 3Moisture on paper sheets.
  • 4Internal sensor fault.

Solutions

Quick Diagnosis

If the machine makes an effort to feed but paper does not move, the pickup roller likely needs cleaning.

Step-by-Step Solution

  1. Check: Verify tray paper status.
  2. Clean: Wipe rollers clean with a damp-free cloth.
  3. Load: Adjust the guides properly.
  4. Restart: Try printing again.

Prevention and Maintenance

Use high-quality paper and store it in a dry place. Clean pickup rollers periodically.

When to Call a Technician

If the error 321 remains after cleaning the rollers and checking for obstructions, there may be a fault in the feed motor or internal sensor.

Technical Specs

  • Technology: Laser
  • Feed: Input Tray
  • Consumables: MB261 Series Toner
  • Connection: USB/LAN
  • Use: Office
  • Support

Steps to follow

  1. 1

    Check Tray

    Ensure paper is loaded correctly and not bent.

  2. 2

    Clean Rollers

    Wipe the paper pickup roller with a clean cloth.

  3. 3

    Reboot

    Power off and on to restart the feed cycle.

Frequently asked questions

It signals a failure when attempting to load paper from the input tray.

Often yes, or it could be worn-out pickup rollers.

Use MB261 series compatible toners.

Ensure proper paper loading and storage.