Question about Fujitsu fi-4340C Flatbed Scanner

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Backend optical error

Starting Fujitsu fi-4340 C flatbed scanner it is coming up with backend optical error. Any ideas what this refers to?

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Check on feeder side assembly, there might loos contact on bulb or on bulb controller.

Posted on Jun 07, 2010

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1 Answer

I receive an error F4 on my scanner when I turn it on. Will not scan. Any suggestions?


Hello Larry,

The F-4 error in Fujitsu fi-6240 scanner indicates Background change over unit malfunction alarm. It may be caused by the malfunction of background motor or optical unit or damaged optical cable.

You are recommended to contact the nearest Fujitsu scanner service center for rectification.

Thanks & regards,
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Fujitsu fi-5750C flatbed will not scan. I keep getting an error "Irregular status is detected in the scanner. Anomaly in Flatbed motor operation. There are some codes: Sense Key = 0x4; ASC=0x580;...


Mine came with the same error message. If you look through the glass into the left front corner, you should see a spring loaded belt tensioner device. It merely hooks into the bottom plate against a spring to keep the belt tight. On my 5750C, the belt tensioner had slipped out of the base during shipping. The hardest part of inserting it back into the base was getting to it. Directions to do that are on this site at .../support/t484836-taking_apart_flatbed.

Sep 20, 2011 | Fujitsu fi-5750C Flatbed Scanner

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Hi, my fujitsu fi-6130 hangs after a few scans. This happen once in a while where i have to kill all my application in order to work again. Any idea why this is happening?


Does the scanner have any error code displayed on its display? If so, what it it? What software are you using to run the scanner?

Sep 28, 2010 | Fujitsu fi-6130 Flatbed Scanner

1 Answer

Has Fujitsu fi-4340c scanner. Worked for a while then it showed Front Side Optical Alarm. I tried to clean sheet path, and replaced roller and pickup pad. Still the same error. Does anyone has the...


Hi,
Explanation:
Front Side Optical Alarm only generated when start command is received or when white level reference is checked (every 50 scans). CCD output must be above predetermined slice level when reading the white reference. Slice level is set in F/W and compared to the read range values. The read range is approximately pixel 120 to 4800. If CCD output does not reach slice level the AGC tries to adjust the output of the amplifier to exceed the slice level. If any portion of the read range is lower than slice then Optical Alarm is generated. Also, it can be generated by dirty optics or reference, bad lamp or CCD.

Resolution:

If "Front Side Optical Alarm" appeared, clean the glass (small and large one) of the flatbed and carrier unit.
If the issue persists, then check if CCD harness or CR cable is disconnected? Connect the connector.
If the issue persists, then replace Front lamp.
If the issue is not resolved, then replace the Control PCA or Carrier unit or Optical unit.

Pls acknowledge if the issue is resolved.

Regards,

Tech Satya

Dec 08, 2009 | Fujitsu fi-4340C Flatbed Scanner

1 Answer

Fujitsu 4750c Irregular status is detected in scanner


If "Front Side Optical Alarm" appeared, clean the glass (small and large one) of the flatbed and carrier unit.
If the issue persists, then check if CCD harness or CR cable is disconnected? Connect the connector.
If the issue persists, then replace Front lamp.
If the issue is not resolved, then replace the Control PCA or Carrier unit or Optical unit.

regards,

Tech Satya

Sep 21, 2009 | Fujitsu fi-4750C Flatbed Scanner

1 Answer

Fujitsu FL-4750 Optical alarm (g)


This is usually a main board fault. re solder the legs of the 2 sets of the 3 transistors on the underside of the mainboard. they are the small ones. or replace the main board. let me know how you get on

Sep 14, 2009 | Fujitsu fi-4750C Flatbed Scanner

1 Answer

Fujitsu fi 4750c scanner error


Try a flatbed scan scan with the cover open.  If you see the lamp come on, it's likely a cable or CCD problem, though it can be caused by a really dirty reference strip or mirrors. I've never seen one that dirty but it's mentioned in the service manual. I have seen lost documents in the ADF unit cause backside optical alarms, but the front unit is protected from this by glass. If the lamp doesn't light, it can be a defective lamp or cable. In all these cases, you'll need a tech onsite. Disassembly of this model is difficult & reassembly is even worse. I wouldn't recommend it even if you're mechanically inclined.

Apr 07, 2009 | Fujitsu fi-4750C Flatbed Scanner

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Fujitsu fi 5120c e2 error


See page 25 of:

http://193.128.183.41/support/scanner/manuals/fi-5120c_gs_p3pc-1312-01en.pdf

"E2" is "Trouble with the optical system (front)."

That doesn't solve your problem, but at least it narrow downs the focus of your problem.

Dec 05, 2008 | Fujitsu ScanPartner fi-5120C Pass-Through...

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Fujitsu fi-4750C Flatbed Scanner


1.st step remove the software from the computer and then reboot. 2nd step install the software. 3rd step try a scan. Still in trouble? 4th step new scanner These items are not repairable.

Jul 01, 2007 | Fujitsu fi-4750C Flatbed Scanner

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