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Cooling problem The unit was kicking out cold air feeling real good. Now I hear it click on but no cold air is coming out. It is not really hot outside right now, but isn't still suppose to be blowing cold.?

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Since it is not so hot outside you may have to adjust the Thermostat to a lower setting to get the AC unit to kick on the compressor and blow out cold air. Give it a try, and if not the T-stat then we can go from there.

Posted on Jul 15, 2008

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Posted on Jan 02, 2017

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Did you use HP ink or generic? Generic inks will only be recognized if they have the chip that talks to the printer. That is not to say they won't work - you just will not know the level. If you did use HP you have to make sure you have removed the taped portions, and that it "clicked" when you put it in the cartridge. Also - double check you really put in Cyan, I have put in the wrong color in a slot and it will not recognize the cartridge - boy did I feel really silly that day!

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My HP Scanjet 5400C Scanner has decided to stop working. The 12 volt mains transformer feels cold and no light comes on the scanner. It appears that the transformer is US. Where can I buy a replacement

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Error 3

Hi Adil, 

This E3 error message means ADF backside scanning optical alarm (upper optical unit ADF) which indicates ADF (back) lamp intensity check. Please follow the steps provided below:

1. Is the lower 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.
Note: Cleaning should be done approximately every 10,000 sheets scanned, though it may vary depending on types of
documents scanned. More frequent cleaning is necessary when the following types of documents are scanned:
- Smooth surface document such as coated paper
- Documents printed on almost entire surface
- Documents processed with chemical materials such as carbonless paper
- Paper with a high calcium content
- Pages with pencil lead
- Document where toner is not fused sufficiently.

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. Upper 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.)
2. Upper lamp may not be functioning properly.
3. The connecting cables might be damaged.
4. The connectors are not connected properly.

Hope the above information is helpful.Please revert you have any doubt.



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My problem is your site can kiss my *** there is no help here just some site that wants me to download software I dont need I just need the one driver not all of them. Sorry for ever being a customer of...

i sure cant blame you for being upset .. a very long search on the internet showed almost all claims of "driver download" for your scanner, (hundreds) are actually advertisements for driver update programs .. when i did find real drivers they have a very bad track record for XP .. many people can't get them to work .. even cause crashes .. they often come from 2003 or earlier .. i did find one interesting reference .. they had no luck with any drivers for that model .. but they claim drivers for a later model Acer 640bt/bu or the 4300u scanners work great ... see discussion here...
.. .. now finding even those drivers is again a butterfly in a hornets nest... the reference they give is no longer working .. its very hard to get around all those people trying to sell you something ..
i finally found a download for the acer 4300u scanner here:
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.. VueScan software supports most older scanners but not parallel port versions like yours .. i know its frustrating but your scanner is not supported well ... i found several really good scanners at our local goodwill store .. they were about 10 bucks and software was readily available of the best is the epson perfection series like 1650 or 1660 .. what nice scanners for so little.. others like Umax are hard to find drivers for .. sorry about the frustration .. i know how your feel ..

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