HP Laserjet Pro 400 Mfp M425dn Multifunction Laser Printer Logo

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Anonymous Posted on Apr 13, 2014

Error code 79 service error

My manual says error means that an incompatible DIMM is installed. I do not know where the DIMM is located on my printer. HP did not say what is the correct DIMM to install. Thank you, Kathleen

5 Related Answers

Anonymous

  • 5 Answers
  • Posted on May 22, 2008

SOURCE: DIMM Error HP P3005n

You have to change the formatterboard Q7848-60002!

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Anonymous

  • 2120 Answers
  • Posted on Feb 06, 2009

SOURCE: 49.c02 service error message on HP laserjet 4100

General printer error. Unplug the power cord for 10 seconds.

Anonymous

  • 34 Answers
  • Posted on Mar 17, 2009

SOURCE: Troubleshooting error message 79 00FE on LaserJet 8000N

Yes...if you remove the jet direct card and your error goes away, be sure it is the jet direct card. If it says 600, or 610 on it, those cards had a lot of problems.

You can buy these rebuilt very resonably.

kevin duggan

  • 96 Answers
  • Posted on Oct 01, 2009

SOURCE: The HP DesignJet T1100ps printer has a 79:04 error

hp will never tell you but this error is a kind of a catch all error basically the service manual says to reload the firmware. check the file you are sending. i have seen a bad file cause this error. hope this helps.

Gerrit Jan

  • 217 Answers
  • Posted on Dec 31, 2009

SOURCE: hp LJ P3005DN hangs during boot. Sometimes during

It would not surprice me if you have a defective formatter board. This is a very commen problem with this machine. Officialy you have to replace the formatterboard but there is also an other way to fix it. Put the formatterboard in to a preheated oven 190 degrees Celcius (350 fahrenheit) for 8 minutes. 8 out of 10 times it works fine fine and the machine is up and running. If this does not work you still can replace the formatterboard.

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