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Troubleshooting Question

HP LaserJet Pro M404n is having paper Jam Error but there is no paper jam.

siber1 asked
Last Modified: 2020-10-12
HP LaserJet Pro M404n is having paper Jam Error but there is no paper jam, may I know what steps for resolution.

STATUS: The printer had difficulty picking media, see control panel to proceed.
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Was there a paper jam recently?  A common issue (included in skullnobrains' post above) is that you have a real paper jam but don't get every piece of the page out of the printer.  I usually recommend laying out the retrieved page pieces and confirming that everything is there.  A small piece left in the printer will commonly either repeat the error or cause additional jams.


I can see 3 possibilities. The first one is a tiny piece of paper obstructing one of the paper sensing flags. That can be caused by tearing the sheet of paper when clearing a jam. This happens a lot when the paper is pulled backwards to clear a jam. Always pull the paper forward, in the direction of normal travel.

The second possibilities is that a paper flag broke. At various points in the paper path there are little fingers that are pushed aside by the paper. If that flag falls out (e.g. while clearing a jam) the printer will keep "seeing" paper at that spot. Have a look in the paper tray for any pieces of plastic.

Finally, the printer's status message indicates that it may simply have trouble picking paper from the tray. If that is the case, you should hear the printer try to pick paper before the error message pops up. Please advise how far the paper gets into the printer.

If it is a pick issue, first make sure that you are using standard 80 gsm (Bond) paper, not card, labels, etc. Next, you may try cleaning the pick roller with a damp cloth. You can also replace it. This is one site that sells them, along with other parts for your printer.
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did you try a power off/on cycle?
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