Unknown Printer

How to Identify and Fix Common Problems ?

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When a 50.4F. 00 error is displayed on the control panel, it indicates that there is an issue with the fuser or the power outlet where the printer is connected. Turn the printer off, and then back on to clear the error. Ensure that the power outlet, to which the printer is connected, is in good working condition.
Error 50.2 suggests the fuser can`t heat up properly. This might be fuser failure but could also be a power supply issue. Plug the printer directly into a wall socket, not into an extension. Try turning off, wait 20 minutes then on again.
The message `Fuser Error` or `Self-Diagnostic` means either the fuser has reached the maximum temperature allowed or there has been an error in detection of the correct temperature during specific times of the printing process.
Laser printer fusers adhere toner powder to a page using a combination of heat and pressure. Error 50.5 occurs when the fuser fitted physically but the printer has specifically identified it as wrong.
50.2 error indicates that the printer is not heating up fast enough. This can be caused by a bad heating element in the fuser but can also be caused when the printer does not have adequate power due to overloaded circuits or being plugged into a power strip or surge bar that limits current flow.
If you are experiencing an “50.2F. 00 Fuser error”, first turn the printer off and back on. Sometimes the error will temporarily go away with a reboot so you can print a few more pages, but usually the error reappears.
The fuser unit or fuser is a critical part of any laser printer. Using pressure and heat, it fuses the toner powder onto the page to create a print, and without it, the printer cannot operate.
When a 50.4F. 00 error is displayed on the control panel, it indicates that there is an issue with the fuser or the power outlet where the printer is connected. Turn the printer off, and then back on to clear the error. Ensure that the power outlet, to which the printer is connected, is in good working condition.
50.2 error indicates that the printer is not heating up fast enough. This can be caused by a bad heating element in the fuser but can also be caused when the printer does not have adequate power due to overloaded circuits or being plugged into a power strip or surge bar that limits current flow.

Relevant Questions and Answers :

the most relevant questions and answers related to your specific issue

What repair needs to be done for a "50 needs repair" message on an HP Laserjet IIIP?
ANSWER : I don’t know what you mean by good toner cartridges. They haven’t been built in about 10 years, so if they are new OEMs in the box, they are guaranteed to fail. The 50 error on that printer is mostly a burned out fuser lamp. This site was sold, so as you can see, there are no more kits available.

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Unknown Printer

HP LJ 4350 – Tray 2 not lifting, no motors turn.
ANSWER : I can’t believe, pieces of paper was under the registration flap, now my 4250N is working.

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HP 4250 13.06.00 Fuser output paper stop !
ANSWER : pick up solenoid

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REMOVE FUSER UNIT
ANSWER : It looks real easy. https://www.youtube.com/watch?v=fbilywC620A

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fuser bushings
ANSWER : Kind of vague. Are you asking how to install fuser bushings?

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Overcome the problem of the printer repair
ANSWER : The English is so bad, there is no way anyone can help.

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repair a cartridge
ANSWER : http://www.uninetimaging.com/downloads/technical/TecArtWebAdded/Dell_3110_3115_Reman_eng.pdf

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HP Laserjet 4200 50.2 Fuser error
ANSWER : if you are using a good fuser the next part to try would be low voltage power supply

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