Fuser overheating

The fuser assemby of my HP 4V is overheating.  I changed the fuser assembly, but that did not solve the problem.  Does anyone know what might be wrong and have suggestions for where to buy the parts?
Who is Participating?
I wear a lot of hats...

"The solutions and answers provided on Experts Exchange have been extremely helpful to me over the last few years. I wear a lot of hats - Developer, Database Administrator, Help Desk, etc., so I know a lot of things but not a lot about one thing. Experts Exchange gives me answers from people who do know a lot about one thing, in a easy to use platform." -Todd S.

Did you replace the entire fuser assy.?
If so, then the DC Controller Circuit board is probably defective.

How do you detirmine that the fuser is overheating? If you replaced only the heating element on the fuser the Thermister can be bad or, the fuser is not making good contact with it's connectors.

For parts I use Parts Now.



Experts Exchange Solution brought to you by

Your issues matter to us.

Facing a tech roadblock? Get the help and guidance you need from experienced professionals who care. Ask your question anytime, anywhere, with no hassle.

Start your 7-day free trial
Sounds like the Logic Board or DC controller to me.

What makes you believe that the fuser is overheating?  Is it charring the paper?

The Fuser unit is heated by a lightbulb.  The temprature is controlled by either a thermistor, thermal fuse or some other thermal switch.  The switch is either defective and is not turning off the bulb, or the controller which reads the swtch is malfunctioning and is responsible for not handling the heating properly.

I would definately give Parts Now a call. I use them all the time. Their number is 1-800-886-6688

Good Luck,
rmbaschAuthor Commented:
Thank you.

I changed the DC controller and the problem was fixed!  Without the Internet, I problably would have scrapped this printer.

Thanks for the source for printer parts.

Cloud Class® Course: Microsoft Windows 7 Basic

This introductory course to Windows 7 environment will teach you about working with the Windows operating system. You will learn about basic functions including start menu; the desktop; managing files, folders, and libraries.

Okay, now it's time to pay the piper.  Gotta award the points.  ;)

rmbaschAuthor Commented:
Good answer.  Thanks for the parts supply source.
My pleasure! Thanks for the points...

It's more than this solution.Get answers and train to solve all your tech problems - anytime, anywhere.Try it for free Edge Out The Competitionfor your dream job with proven skills and certifications.Get started today Stand Outas the employee with proven skills.Start learning today for free Move Your Career Forwardwith certification training in the latest technologies.Start your trial today
Printers and Scanners

From novice to tech pro — start learning today.