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"EF error" in Fujitsu fi-5120c scanner refers to Background changeover unit failure. This error is detected in initial checking at power on. Probable causes:
- Defective Control PCA
- Insulation material damage of BW motor cable or the damage of the wire in the motor. Check the followings:
1.Does the same symptom occur after turning OFF and ON the scanner?
2.Are the cables between the Control PCA and the BW motor damaged? Or are the connectors connected correctly? Confirm the position of the BW motor and check the cables.
3.Is the CCD cable F or B damaged? Or are the connectors connected correctly?
If the above information doesn't help, then you are recommended to visit the nearest Fujitsu service center for assistance.
Fujitsu fi-5120C is compatible with Windows 7. However, you have to download and install the scanner drivers for Windows 7. Click HERE to download the required drivers and toolkit (Installation & User Guides are also available). Run the downloaded file and follow the on-screen instructions to install the scanner drivers/ toolkit.