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Re: HP Scanjet 4600 problem
I have over 10 of these scanners and they too frequently have hardware failures right out of the box. The good news is if you get a working unit they are reliable and very convenient to use. My users love them; unfortunately they are no longer made.
Before you buy a new one as suggested I would strongly suggest trying the following in order:
Test for hardware problems:
-Unplug the USB and power cables.
-Plug in the USB cable back in followed by the power cable.
-The carriage on the scanner should move backward and forwards about an inch and the lamp should turn on. If this does not happen you probably have a hardware problem. See my last paragraph titled warranty replacement.
Reinstall the software as follows:
-Delete all of the software and drivers associated with this scanner.
-Disconnect (or power down) the scanner.
-Reboot the PC and reinstall the scanner software, making sure you follow the instructions exactly. Don?t plug in (or turn on) the scanner until you are prompted to by the installation instructions.
-Before you actually try to use the scanner make sure you check the HP site for updates, download and install them. I have had a couple of scanners give hardware failures without the updates.
If this is an HP factory refurbished unit or even a third party refurbished unit they should honor at least a 90 replacement warranty. My experience has been that HP and most other venders will pay for shipping both ways so don?t buy a new one until you at least try.
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Well, there a couple ways to get a driver. In the package the item came with, download from manufacturers web site (or other driver website), or call HP support and try to order a CD. There is one other alternate if you know someone who has the same printer you have.
220 mb file is not that big of a download, unless you have a slow connection such as dial-up. Is there some other reason the file is too large?
Although I can not be sure without testing it, the most common problem with this type of issue is that the power supply adapter has failed. According to the manual (posted at http://bizsupport1.austin.hp.com/bc/docs/support/SupportManual/c00215714/c00215714.pdf) this scanner has an external power adapter. Since you indicate that the scanners light does not come on, I would be inclined to believe that power adapter needs to be replaced. However, before you go and buy a new one, I would suggest you get the current adapter tested with a volt meter to determine if it is outputting the correct voltage and amperage.
If you discover that the power adapter has failed, you may be able to simply replace it in order to get the scanner up and running again. However please take note that depending on what part of the adapter circuit failed, its failure could possible have also damaged the scanner's internal circuits. However, if you find after testing that the adapter is outputting the correct voltage and amperage, then the problem would most likely be a scanner board circuitry failure.