Very frustrated. My 2550L reports a 50.2 Fuser error message. I replaced and installed a fuser and still have the same error. The diagnostics show my drum and colors have plenty of life left. If I can't fix this does Hp offer a swap out program?
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Re: 2550L won't print
Check the HP forums for this problem, there may be some kind of 'secret' reset routine that must be done to clear the error from memory.
It could also be that whatever element controls the power to the fuser failed.
Curious: did you check the original fuser to verify that it had failed?
Since the problem is still there, the first fuser may not be bad at all.
They are in essence a resistive heater that could be checked for continuity with any multimeter.
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Remove the printer from any UPS supplies, additional power supplies, or power strips.
Plug the printer into a wall outlet to check whether this resolves the problem.
If the printer is already plugged in, try another power source in the building independent of the one being used.
The line voltage and current source at
the printer location might need to be inspected to make sure that it
meets the printer's electrical specifications.
Turn the printer off then on.WARNING: Be careful when removing or reseating the fuser. Temperatures can reach 400+ degrees Fahrenheit.
If the message persists, turn the
printer off for 30 minutes to allow it to cool, then reseat the fuser
after checking the internal wiring connections on the right and left
side, ensuring that these connections are properly seated.
If the 50.1 or 50.2 error recurs after
power-cycling the printer or when trying to print, try installing a
known good fuser from another HP LaserJet 4100 series printer, if
If the fuser is near or at the end of its estimated life expectancy (approximately 200,000 pages), then replace the fuser.
After replacing the fuser, print a
Configuration page, a Menu map (shows fuser settings), an Event log, a
Supplies status page, and a Usage page, to reference the status of the
new fuser and to ensure that the previous fuser settings are in place
with the replacement fuser.
To print an Information page on the HP LaserJet 4100, perform the following steps
Press the MENU rocker key until INFORMATION MENU appears on the printer display.
Press the ITEM rocker key until PRINT CONFIGURATION (or until PRINT MENU MAP, etc, appears in the printer display.
Press the SELECT button to print the selected information page.
To print an information page on the HP LaserJet 4100MFP, perform the following steps
Press the MENU button.
Press the DOWN Navigation button until INFORMATION is highlighted.
Press the RIGHT Navigation button.
Press the DOWN Navigation button to highlight PRINT CONFIGURATION
(or PRINT MENU MAP, etc, appears in the printer display.
Press the SELECT button, the button with the checkmark on it to print the selected Information page.
If 50.x errors persist after properly
installing a known good fuser, or if the errors follow the questionable
fuser (provided it is not near the end of its estimated life
expectancy), contact HP for further assistance.
X FUSER ERROR
A fuser error has occurred.
1. Turn the printer off, wait 10 minutes, and then turn the printer on. 2. If the message persists, reseat the fuser. If that does not work, replace the fuser. To check the fuser, turn the printer off and remove the fuser. Measure the resistance between the fuser connectors. If it is not within the proper range, replace the fuser. If there is not continuity between the fuser connectors neutral and hot with the fuser removed, replace the fuser. If the problem is not related to the fuser, replace the engine controller board.
ResetFuser counterOki B6200
Power on and wait until the ready to print message appears on the operator panel.
Press "Select and the Down arrow button at the same time"
The following Menu is displayed"Reset Counter Fuser U4"
Press the right arrow button
Operator Panel will display "Fuser U4 Use the SEL to Reset"
Press the SELECT Button
Operator Panel will read "Clearing"
Press the Menu key to return to "Ready to Print Mode"
I called Dell about the same problem. They said it's a motor error. They had me turn off the printer and remove the transfer belt, fuser and all the toner and then turn the printer on and replace them one-by-one, closing the printer door each time to see what the message was.
The printer then began printing before seizing up and reporting the same error message. They ran me through some steps and we realised that I need a new fuser and/or fuser motor.
Try the above. Otherwise call Dell, they were very helpful.
Have you tried reinstalling the fuser? I am thinking the gears are not driving the exit rollers. If you purchaseda rebuilt fuser, there may even be a gear missing. Compare your new fuser to the old one.
A 50 Service error is a fuser error. Turn the printer off for at least 10 minutes, then turn it back on. If the error is still there, you can try reseating the fuser, but be sure to let the fuser cool completely before touching it.
If you still have the 50 Service error after reseating the fuser, you might need a new fuser.
You can access the fuser by opening the rear door. It's located directly above the paper tray. There are two screws that hold it in place. Remove those two screws, and the fuser slides outs.
Hope this helps.