380B412d

OKI B412d Error 380: Paper Jam Troubleshooting

The OKI B412d error 380 is a standard alert for a paper jam that halts device operations. This issue typically triggers when the internal rollers or sensors detect that media has failed to progress through the paper path properly. A calm, visual inspection is necessary to remove the obstruction safely.

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Common causes

  • 1Use of heavy, incompatible media types.
  • 2Humidity levels affecting paper traction.
  • 3Roller wear reducing feeding performance.
  • 4Overfilled paper tray preventing proper picking.

Solutions

Diagnóstico rápido

If the 380 code appears, your printer has stopped because of a physical obstruction. Check the paper tray area and the space behind the drum unit to see if paper is snagged.

Solución paso a paso

  1. Safety: Power off the printer to avoid moving parts injury.
  2. Access: Open front and rear panels to check for paper paths.
  3. Removal: Pull the jammed paper gently along the natural path.
  4. Verify: Inspect for tiny torn paper scraps left inside.

Prevención y mantenimiento

Avoid dusty paper stacks. Clean the feed rollers with a damp, lint-free cloth periodically to restore traction and prevent slips.

Cuándo llamar a un técnico

If the error 380 persists after every scrap of paper has been removed, a paper sensor might be physically blocked or faulty, requiring professional repair.

Ficha técnica del equipo

  • Technology: LED printing.
  • Speed: 40 ppm.
  • Connectivity: USB/Ethernet.
  • Paper capacity: 250 sheets.
  • Consumables: B412/B432/B512 series toner (PN: 45807102).
  • Usage: Business office environment.
  • Official drivers / firmware

Steps to follow

  1. 1

    Safety

    Power off the printer to avoid moving parts injury.

  2. 2

    Access

    Open front and rear panels to check for paper paths.

  3. 3

    Removal

    Pull the jammed paper gently along the natural path.

  4. 4

    Verify

    Inspect for tiny torn paper scraps left inside.

Frequently asked questions

The error 380 is a sensor trigger indicating a paper blockage along the internal feed path.

Yes, pulling too hard can damage paper guides and rollers; always follow the feed direction.

Use standard bond paper (60-120 g/m2) to ensure smooth operation.

Fan your paper stack before loading and keep paper in a moisture-free area.