RIBBON-END-05DL7400 Pro

Fujitsu DL7400 Pro RIBBON-END-05 Error: How to Fix

The RIBBON-END-05 code means the printer has detected insufficient ribbon tension or the cartridge has reached its end of life. This error prevents poor quality output and protects the print head pins from working without proper lubrication. Replacing the ribbon cartridge is necessary.

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Common causes

  • 1Spent ribbon: the system detects erratic or null rotation.
  • 2Improper installation: ribbon not aligned in the head slot.
  • 3Jammed cartridge drive: prevents the ribbon from turning.
  • 4Dirty end-of-ribbon sensor: fails to detect the ribbon presence.

Solutions

Diagnóstico rápido

The printer stops and displays the error while the carriage makes noise. Check if the ribbon is visibly worn or detached from the cartridge drive.

Solución paso a paso

  1. Power off the unit and lift the front cover.
  2. Release the old cartridge by pressing the side latches.
  3. Install the new ribbon, ensuring it threads correctly through the head guide.
  4. Turn the tension knob on the cartridge to tighten the ribbon before closing.

Prevención y mantenimiento

Do not try to re-ink old ribbons, as excess ink can clog the print head pins. Always keep the cartridge properly seated to prevent tensioning issues.

Cuándo llamar a un técnico

If you install a brand-new cartridge and the error persists, the ribbon detection mechanism may be mechanically stuck and require repair.

Ficha técnica del equipo

  • Technology: 24-wire dot matrix
  • Speed/throughput: High-yield consumables
  • Connectivity: USB 2.0, Centronics
  • Feeding capacity: Continuous and cut sheets
  • Compatible consumable: Series DL7400 ribbon (D30L-9001-0895)
  • Recommended use: Invoicing, ledger printing
  • Drivers / official firmware

Steps to follow

  1. 1

    Consumable Access

    Power off and open the cover to access the printer carriage.

  2. 2

    Cartridge Extraction

    Carefully lift the empty cartridge out of the housing.

  3. 3

    New Installation

    Snap the new cartridge into place until it clicks.

  4. 4

    Tension Check

    Rotate the cartridge knob to remove slack.

Frequently asked questions

Yes, printing with this error can lead to print head overheating and permanent pin damage.

Certified Fujitsu ribbons are recommended to prevent jamming and ensure longevity of the print head.

Check that the ribbon is properly aligned in the print head guides; sometimes it's improperly threaded.

Output typically becomes lighter towards the edges of the page before the error code appears.