Question about Fujitsu fi-5750C Flatbed Scanner

2 Answers

Fi 5750c adf will not initialise

Having a problem with a new Fujitsu fi 5750c. The adf stopped working without ever being in production. Now fujitsu will not help because it only has a 3 month warrentie.

Problem - adf almost dead
When I open the adf compartment, the bars will light up. When I close it, the paper pull innitialises, then thats it. It will not pull from the ADF. It has been hard tested wil the power on self test to test the speed of the adf. This does not work simply moves the light bar on the the flatbed.

This was tested in a standalone environment without the kofax card with the cofax card usb plugged in scssi plugged in and with nothing plugged in fully standalone.

I have logic tested the paper in sensor, paper detect sencer, and the paper out sencer. All are ok. I opened and checked for fuses, non existant. No electric burn that I can see or smell in main unit or adf. Unit was plugged into a surge strip during a lightening storm that spiked several server UPS batteries but I can find no damage to the unit. Flatbed works perfectly.

Unit also had the new firmware installed to the kofax card b fujitsu. I cannot be sure that it worked after that.

Any help would be appreciated

Posted by on

  • eccflash Mar 14, 2008

    Thanks but the ADF actually wont initialise. It's not a feeding problem. I also found today that if I put a paper halfway through the ADF then close it, it will eject the paper so the sencors are definatly working. I starting to believe that it is a problem with the firmware. It seems that the main unit does not see the adf peice. I cannot find a place to reinstall the firmware. Im thinking that the firmware update to the kofax card screwed something up.

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Just something simple to try...check your software setting to see if it is set for ADF or Flatbed feeding. You said the light bar moves when power is interupted or the adf opened. But you never said if it is scanning in Flatbed mode. If the Flatbed scans, then check the software setting. Most of the flatbed/adf hybrid scanners start up defaulted to flatbed, so when you try to scan, the adf won't pull anything thru until you change to ADF mode.

Posted on Jul 15, 2008

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Clean the rubber rollers in the ADF with a well wrung cloth thoroughly. Use IPA (Isopropyl Alcohol) if reqd. Dont use any other solvents.

S. Mohan

Posted on Mar 14, 2008

  • Mohan Sriraman
    Mohan Sriraman Mar 14, 2008

    It is very unlikely that the firmware is corrupted. There are sensors for paper beginning and ending. Sometimes a small piece of paper stuck to the sensor can create problem! Is the belt or motor for ADF okay?



    S. Mohan

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