Question about HP LaserJet 3330 All-In-One Printer

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I have a HP Laserjet 3330 prints just fine but won't copy. It lights up will start to scan then stay on one side and lock up. I took it to a repair man he said that the ratchet is broke. What does that mean? And can it be fixed? And how could this have happened?

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  • Anonymous Mar 06, 2009

    I have the same problem as above, the scanner bulb keeps to the left and wont reset. I have opened the unit but cant see anything obvious that is broken.. Some one said that you can buy the scanner bit separately but is it worth it, I'm going to sell it on ebay as spares..



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Ok, The scanners on these things rely on "seeing" if you will, the end of there travel across the glass. If they can't "see" where they are supposed to stop they try to keep going, reaching the end and causing the noise you describe. The noise is the toothed belt slipping on the pulley that drives it. There is no Ratchet.

Try this:
Should be two pieces of glass the big one and a smaller strip to the left.
Remove the strip I'm pretty sure it is one screw and a latch that slides to one side to remove.
Clean the glass.
Get the scanner assm. over to the opening. pretend to copy or by hand with power off.
Gently wipe the scanner bulbs and use a Qtip to clean the mirrors below as best you can.
At the end of the scanner assm. (Front of Machine) you will see a piece of glass kind of pointing at you. It looks like it shouldn't be there. Clean this it is the "EYEBALL"
this has worked for me.
Hope it Helps

Posted on Mar 11, 2009


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Posted on Jan 02, 2017


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