Question about HP 4570C Flatbed Scanner
When scanning, my light bar now only advances an inch or so before returning, so it only scans a small portion of the platen. Is this a lubrication issue? Can I fix it myself, or does it need a technician? I have not used this scanner much, but have not had any problems before.
I assume you are using this with a computer. One thing comes to mind that relates to software. You should be able to do a preview scan of the whole scanner bed, then move the frame to the area you want to scan only, sort of like cropping the picture. If those crop borders are set to less than the whole document, you will get this kind of scan.
Now if that isn't the problem, the scanner likely has a electronic issue unless the scanner has had a nasty fall. If you want to really explore deep and don't mind if it doesn't work afterwards, turn the scanner off and unplug the power. Open it up just enough to access the optical unit and see if it will move the entire length of the scanner without binding where you experience the end of the scan. Go rather slowly and gently so you don't strip the toothed belt if it has one. You will feel a wierd sensation and some resistance as you move it along which has to do with the stepper motor and that's normal. If that works, it's likely it failed on it's own. If it binds where the scan ends, you'll have to investigate whether it's due to a rusty rail (hope not!) or some other obstruction.
Posted on Jul 28, 2009
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Posted on Jan 02, 2017
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