Question about Fujitsu M4097D IPC Path-Through Flatbed Scanner

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Fujitsu M4099D While attempting to scan I get a Front lamp error. Any idea what could cause this? The bulbs and housing are installed correctly.

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  • rgk202 Jul 11, 2008

    The bulbs do light.

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If the front lamp is correctly installed (take a look at the lamp carrier pictures) and all 8 possibilities from zone48 are OK,
then you have to check the cables.

At the front camera right side you see one wide black connector for the CCD data transfer cable and one grey plug for power.
Inside the CCD cable there are 40 coloured wires.

Power plug test:
Use a voltage meter to check the power. In some cases the soldering points at the PCA are broken or the plug pins are burnt.

CCD cable test:
Disconnect the CCD connector at the camera.
Disconnect the CCD connector at the scanner's backside at the junction board.
Screw off the metal cable clamps.
But the two connectors side by side.
Now use a resistor tester and measure from connector contact number 1 to contact number 1 at the other connector if there is a linkage. Then do the same with contacts number 2 and so on.
A lot of work but a must.
By a broken wire you will get no linkage.

In case you found broken wires you need a new cable.
Fujitsu part number: CA04315-F851
Fujitsu part name: CCD Cable

Good luck!








Posted on Jul 16, 2008

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First, you didn't say whether the Front lamps are actually lit. I know that it is difficult to tell on this model unless you cheat the lamp interlock switch and fire up the unit into scan mode.
Front Lamps errors can also be generated by a loose front camera cable. There are no dedicated lamp detectors. The 4099 uses the camera's ccd's to detect if the lamps are burning. It is also possible, but less likely , that the lamp fuse on the main board (slides out from rear) is blown. (Fuse part number CA53004-0227).
From previous experience, there is probably a 95% chance that the issue if coming from a loose front camera cable. Not the kind of thing to get in and check unless you are service savy. I have had several calls that drove me nuts with this issue until I reseated that cable onto the camera.

The Fujitsu service manual list these possibilties :

a. Do the Front side lamps lite up when you attempt to scan?
b. Is the lamps correctly seated?
c. If the lamps don't light up, possible lamp inverter problem or fuse problem.
d. Is the glass surface and white sheet guide clean?
e. Are the connectors at the front camera ccd loose?
f. Is the power supply output normal?
g. Possible front camera failure.
h. Possible connections from camera to the Rom board problem.

Posted on Jul 11, 2008

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They are getting a warning on the light bulb\r\nSense Key=0x4 ASC=0x680 DDES=0x7E


Hi Dana,

The error you are receiving is Flatbed Optical Alarm.This alarm occurs when the READ command for the first document is received, or when gain of the CCD amplifier is adjusted (sheet guide is read) during scanning.Probable causes are:
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  2. Is the White sheet guide (glass) in the FB cover dirty? Remove the FB cover and clean the White sheet guide (glass).
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This error message means ADF front side scanning optical alarm (lower optical unit ADF) which indicates ADF (front) lamp intensity check. Please follow the steps provided below:

1. Is the upper glass (white sheet guide)of the reading section dirty?

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If the above does not help, then the issue is caused by any of the followings for which you may have to contact the Fujitsu Expert/Engineer.

1. Lower Optical unit ADF may be dirty.
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Hope the above information is helpful.

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Hi, 

This error code denotes ADF front side scanning optical alarm (lower optical unit ADF) which indicates ADF (front) lamp intensity check. Please follow the steps provided below:

1. Is the upper glass (white sheet guide)of the reading section dirty?

Open the ADF, and clean the sheet guide (white part) and the glass.

# When operating the scanner, the ADF’s inside glass becomes very hot. Take serious caution as the heat can cause burns. Before you clean the inside of the scanner, turn off its power and unplug the AC adapter from the outlet and wait (at least three minutes) until it gets cold.Be careful not to pinch your fingers when the ADF cover is being closed.
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If the above does not help, then the issue is caused by any of the followings for which you may have to contact the Fujitsu Expert/Engineer.


1. Lower Optical unit ADF may be dirty. (Remove any dirt inside of the mirrors and lens of the Optical unit ADF with blow brush. Do not use air sprays which may build up condensation on the mirrors.)
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The Rom board is the big circuit board that can be removed from the rear of the scanner. I think there are about three screws that secure the plate that surrounds the output jacks. With the screws out, the whole rom board comes out like a sliding tray. The fuses are round and brown in color. BUT warning! Don't mix them up because they are of different values. If you try swapping them around, you will put the wrong value in another slot and it will blow! If your lamps are lit, then the fuses are ok, but try pulling the circuit board tray out and reseating the tray.

If the lamps are lit, then the fuse and lamp inverter is ok. If you swapped the cameras, and the problem still says its the front lamp, make sure that the lamp is turned around to its proper position. The lamps are masked with a clear opening. If that opening is not turned to shine the light at the right position, you could be getting the alarm because of the loss of light.

If the problem shifted to the rear lamp alarm when you switched the cameras, then the camera mirrors are real dirty inside or its just a bad camera.


Jul 11, 2008 | Fujitsu M4097D IPC Path-Through Flatbed...

2 Answers

Fujitsu M4099D


Sounds then like a loose camera cable , dirty glass, or white background plate.

Jul 11, 2008 | Fujitsu M4097D IPC Path-Through Flatbed...

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