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When a 50.x fuser appear its because the fuser its worn, its probably overheating. I can suggest to take it out (in the back you will see 2 blue locks) for about half hour (turn the unit off before you are doing that) and put it back in. If the error persist you need a new fuser. Good luck
a 50.x fuser appear its because the fuser its worn, its probably
overheating. I can suggest to take it out (in the back you will see 2
blue locks) for about half hour (turn the unit off before you are doing
that) and put it back in. If the error persist you need a new fuser.
HP recommended checks: 1. adequate 120 VAC power supply, 2. Remove Fuser Assembly, wait 5 minutes and then reseat. 3. Reset the printer to Factory Default settings (remember to copy down the IP address, mask and gateway numbers first).
While this may solve the problem, it is much more likely it's time to replace the fuser. Cost is approx $125 if you buy it online. Just do a Google search on HP 2840 fuser.
Usually this means that the fuser is not heating to the correct operating temperature. Remove the fuser and check all contacts. Be careful it can be very hot. Always let it cool down for atleast 30 minutes before touching the face of the fuser. After you check it over and clean off any contacts, reseat the fuser back into the printer. Plug it back in and turn the printer on. If this doesn't work and you still get the error, the fuser needs to be replaced.
Thanks CoolDragon. Ifollowed your advice and eventually replaced it.
After trying to pull out and reseat the fuser a few times (I would even get one or two prints out of it each time), I finally ordered another fuser and problem has gone away. I did google and purchasing site searches (pricegrabber, pricewatch, etc) and found a decent priced site, that also gave discount for your returned bad unit (they gave you so many days to return it), otherwise they'd charge your credit card for the extra dsicount they had origanlly given.