u5fi-4120C

Fujitsu fi-4120C Scanner U5 Error: Roller Life

The Fujitsu fi-4120C Scanner error U5 is a service life counter that alerts the user when the feed rollers have reached their scanned-page limit. This is not a critical hardware failure but a preventive measure to ensure the scanner does not jam documents due to rubber wear. It requires roller replacement and a software reset.

1 views

Common causes

  • 1Cycle limit: The internal counter reached the max pages estimated for the rollers.
  • 2Natural wear: Loss of roughness on rubber rollers due to constant friction.
  • 3Dust buildup: Accumulation of debris reducing kit effectiveness before expected time.

Solutions

Quick Diagnosis

The U5 is strictly a maintenance notice. If your scanner starts double-feeding or slipping on paper, the appearance of this code confirms that the consumables kit is exhausted.

Step-by-Step Solution

  1. Obtain an original consumable kit for the fi-4120C.
  2. Follow the user manual to remove old rollers and install the new set.
  3. Launch the scanner maintenance panel from your computer (e.g., ScanSnap Manager).
  4. Navigate to the consumables tab and press 'Reset' to clear the error message.

Prevention and Maintenance

Clean the rollers with a lightly dampened cloth every 5,000 pages. Avoid scanning extremely rough paper that accelerates wear on rubber components.

When to Call a Technician

If you are uncomfortable replacing rollers or if the system software does not allow the counter reset after replacement, a technician can assist in calibrating the mechanism.

Device Technical Specifications

  • Technology: Duplex scanner
  • Consumable Life: approx. 100,000 pages
  • Connectivity: USB 2.0
  • Consumables: Replacement Kit (FI-4120C-RK)
  • Recommended Use: Mass digitization
  • Drivers / official firmware

Steps to follow

  1. 1

    Replace Kit

    Replace worn-out feed rollers with an original new maintenance kit.

  2. 2

    Software Access

    Open the scanner maintenance utility on your computer.

  3. 3

    Reset Counter

    Select the 'Reset Roller Counter' option to clear the maintenance alert.

Frequently asked questions

The U5 is a preventive maintenance reminder indicating that the rollers have exceeded their recommended service life.

Yes, using worn rollers causes jams and potential damage to the internal mechanism.

It is essential for the scanner to accurately track the wear of the new roller set.

Keep the rollers clean and use high-quality paper to avoid premature wear.

Fujitsu fi-4120C Scanner U5 Error: Roller Life | Vimazdev