e-03DL2400

Fujitsu DL2400 error E-03: Paper jam fix

The Fujitsu DL2400 error E-03 appears when the printer fails to detect paper or senses a blockage along the feed path. This often happens in dot matrix printers due to paper scraps or dust accumulation. The machine enters pause mode to prevent damage to the tractor assembly.

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Common causes

  • 1Paper debris obstructing the optical sensor.
  • 2Paper misaligned in the tractor feed.
  • 3Excessive paper dust blocking the sensor lens.
  • 4Electronic failure in the end-of-page sensor.

Solutions

Quick diagnosis

If the paper indicator blinks irregularly, the E-03 error is confirming that the start-of-page sensor is blocked.

Step-by-step solution

  1. Open cover: Release the top cover.
  2. Clear paper: Remove any debris from the tractor assembly.
  3. Clean sensor: Blow compressed air into the sensor path.
  4. Reset: Press 'Reset' or power cycle the unit.

Prevention and maintenance

Feed high-quality continuous paper and verify proper tension. Remove accumulated paper dust monthly.

When to call a technician

If the sensors are clean and the error persists, there may be a failure in the sensor board's electrical connection.

Equipment data sheet

  • Technology: 24-pin Dot Matrix
  • Speed: Up to 400 cps
  • Interface: Parallel / Serial
  • Ribbon: DL2400 Series
  • Usage: Invoices, multi-part forms
  • Drivers

Steps to follow

  1. 1

    Open cover

    Open the top cover to access the tractor and rollers.

  2. 2

    Remove paper

    Pull out the jammed paper carefully.

  3. 3

    Clean sensor

    Use compressed air to remove debris from the sensor area.

Frequently asked questions

It means the sensors cannot detect paper correctly, often due to a previous jam or dust.

Ensure continuous feed paper is correctly aligned in the tractors.

High-durability DL2400 series ribbons.

Use compressed air; never use liquid solvents near the sensor.

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