Question about HP LaserJet 2420 Printer

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Big noise I replace the fuser unit and the printer make a big noise when I printing. Whats wrong? toner cartridge, fuser unit or another thing?

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  • meshad Jul 28, 2008

    make noice after replace fuser film

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If the printer was not making the noise before you replaced the fuser unit I would try the following:

1. remove and re-seat the new fuser unit and try a test print.

2. if it still makes noise, remove the new fuser unit and replace the old fuser unit and try a test print. (if you waited untill the printer refused to print on the old fuser this might not work).

If you don't get the noise with the old fuser, then it's possible that the new fuser is defective. You could try returning it for replacement at this point. If you still get the noise with the old fuser, then possibly it is not seated correctly or the latches aren't locked or there is some other unrelated issue.

Posted on Jun 25, 2008

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It is the fuser, It's sit to strong. loosen the left scruw a little and try again. Put a blade-ring round the screw between the fuser and the frame

Posted on Aug 01, 2008

  • bruce_hamlin Sep 21, 2011

    I had the same problem. Putting a washer on the left side on the lower screw and on the left side on the guide post between the fuser and frame fixed the noise.

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  5. all-ug-20.gif
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(1) If the toner cartridge is refurbished that is your first indication that you should replace with a HP Manufactured Toner. Refurbished toners always go bad. In fact many of them do not even last the amount they are said to last.

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That toner is whats showing up as roller marks on your prints.


I hope this helps. PLEASE RATE Porfavor :)

Victor C.

If you need more detailed help please comment back ill be willing to help. I like helping others.

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