u3fi-7160c

Fujitsu fi-7160C error U3: ADF Cover issue

The Fujitsu fi-7160C error U3 signifies that the automatic document feeder cover is not closed correctly. This safety check ensures the printer rollers operate only when the scanner is fully sealed.

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Common causes

  • 1Open cover
  • 2Paper jam
  • 3Defective sensor

Solutions

Quick Diagnosis

If you see U3, the scanner's sensor is signaling that the cover is not flush with the body.

Step-by-Step Solution

  1. Open the ADF.
  2. Clear out any stray document scraps.
  3. Close the lid firmly until you hear the click.

Maintenance

Keep the hinges and latching surfaces clean of paper debris.

When to Call a Technician

If it consistently shows U3 even when shut tight, replace the sensor latch.

Technical Specifications

Steps to follow

  1. 1

    Open

    Open ADF cover.

  2. 2

    Clear

    Remove any jams.

  3. 3

    Close

    Lock firmly.

Frequently asked questions

The sensor detects an open ADF top cover.

Ensure the cover is firmly snapped shut.

Debris preventing a solid lock.

No, operational status only.