E2fi-800R

Fujitsu fi-800R Error E2: Sensor Failure Troubleshooting

The Fujitsu fi-800R error E2 identifies a failure in the image sensor system of your scanner. This error typically occurs when dust or paper residue obscures the glass surface, preventing accurate scanning of documents. Proper maintenance can resolve this issue quickly. This compact unit is widely used for high-efficiency office digitizing tasks.

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Common causes

  • 1Dust accumulation on sensor glass.
  • 2Paper debris preventing light reflection.
  • 3Chemical residue from improper cleaning products.
  • 4Sensor module hardware malfunction.

Solutions

Quick Diagnosis

The E2 error is confirmed when the device status light turns solid or flashing orange. Check if the scanning glass shows visible smudges or debris.

Step-by-Step Solution

  1. Power down: Turn off the scanner and unplug it.
  2. Open the scanner: Lift the top cover to reveal the glass sensor strips.
  3. Sanitize optics: Carefully wipe the glass with the official F1 cleaning solution.
  4. Test: Close the lid, power the unit, and run a test scan.

Prevention and Maintenance

Keep the scanner in a dust-free environment. Use the official cleaning kit to preserve the integrity of the image sensors. Avoid using harsh chemicals that could damage the optical surface.

When to Call a Technician

If the error persists after thorough cleaning, the internal sensor module may be damaged and requires professional inspection.

Device Technical Data

  • Technology: CIS
  • Speed: 40 ppm
  • Connectivity: USB 3.2
  • Feeder Capacity: 20 sheets
  • Consumable: Cleaning Kit FI-800R-CK
  • Recommended Use: Daily business office tasks
  • Official Drivers / Firmware

Steps to follow

  1. 1

    Power off

    Disconnect the power cord from the scanner to ensure safety.

  2. 2

    Clean sensors

    Wipe the glass sensors with a lint-free cloth and approved F1 cleaning liquid.

  3. 3

    Power on

    Reconnect the device and allow it to perform a self-test.

Frequently asked questions

The E2 code appears when the image sensors are blocked or dirty.

It is a standard maintenance alert, usually resolved by cleaning the glass sensors.

Use only manufacturer-approved cleaning kits to prevent sensor damage.

Clean them every 5,000 scans or if image quality degrades.