Question about HP LaserJet 4250n Printer

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50.4 Fuser err

When swithed on the printer after all intial checked its show "ready" mode when i am start to print shows " 50.4 Fuser err" .

Would you please help me in this regard.

nehikons@yahoo.com

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If that does not work replace the fuser unit. Usually that is the cause

Posted on Jan 06, 2009

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Hi nehu1,
your problem exist with your line voltage:
1\ disconnect printer from any UPS , stablizer, additional power supply or power strips .
2\ plug the printer into a wall outlet and see if this resolve the problem.
3\ If the printer is already plugged into a wall outlet, try another power soource in the building that is independent of the one currently being uesed.
4\ The line voltage and current source at the printer location might need to be inspected to ensure that it meets printer's specification

hope this helpfull;

thanks,

Hamedo

Posted on Nov 08, 2008

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Fuser error codes cannot be reset by power cycling the machine eventhough that is what the display tells you to do. In order to reset thefuser error code you must enter the service mode & reset the code.To enter the service mode:
press"Additional Functions" button (looks like a picture of a head with a star inside)
press the #2 and #8 at the same time (simultaneousley)
press "additional functions" again
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Afterclearing error stay at the machine to see if it comes to ready. Thefuser assy can reach 139 degrees C.(Water boils @ 100C) The error canonly be cleared through the service mode because a technician shouldinspect the fuser to verify there is nothing faulty that could possiblystart a fire. If you enter the service mode & clear the error,power cycle the machine & during warm up the machine throws a codeagain- turn it off, unplug it & call a tech for fuser repair.
Good Luck!!

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