HP Laser Jet M880 fuser error

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  • Lagonda
    Service Manager

    Site Contributor
    1,000+ Posts
    • Aug 2008
    • 1649
    #1

    HP Laser Jet M880 fuser error

    Gentlemen,
    May I first apologize for not being able to speak a word of HP?
    I normally stay well over on the Ricoh side of the fence, but due to a salesman promising the world without checking that the service department could actually deliver I have a very dead HP in my workshop.

    It appears to have a 240 volt short circuit problem as in the field it was tripping the office circuit breaker and blew the 15 amp fuse on the PSU. I've obtained a second hand fuser and now the copier just sits there and says 50.4F.00 but at least its not blowing fuses.

    Can someone enlighten me what a 50.4F.00 code means and point me in the right direction to solve it?
    At least 50% of IT is a solution looking for a problem.
    Tags: None
    • blackcat4866
      Master Of The Obvious

      Site Contributor
      10,000+ Posts
      • Jul 2007
      • 23008
      #2
      Re: HP Laser Jet M880 fuser error

      The fuser is powered by the power supply, so if you have any confidence in your borrowed fuser, I would replace the power supply. The blown fuse may just be the most obvious flaw. I'd offer you a number, but you won't need a 120vac power supply. =^..^=
      If you'd like a serious answer to your request:
      1) demonstrate that you've read the manual
      2) demonstrate that you made some attempt to fix it.
      3) if you're going to ask about jams include the jam code.
      4) if you're going to ask about an error code include the error code.
      5) You are the person onsite. Only you can make observations.

      blackcat: Master Of The Obvious =^..^=

        Comment

        • Lagonda
          Service Manager

          Site Contributor
          1,000+ Posts
          • Aug 2008
          • 1649
          #3
          Re: HP Laser Jet M880 fuser error

          Originally posted by blackcat4866
          The fuser is powered by the power supply, so if you have any confidence in your borrowed fuser, I would replace the power supply. The blown fuse may just be the most obvious flaw. I'd offer you a number, but you won't need a 120vac power supply. =^..^=
          Thanks BC, are they like Ricohs and you have to reset a SP mode to clear a fuser code?
          At least 50% of IT is a solution looking for a problem.

            Comment

            • NeoMatrix
              Senior Tech.

              2,500+ Posts
              • Nov 2010
              • 3513
              #4
              Re: HP Laser Jet M880 fuser error

              Some of the HP's you just have to turn the machine off an then back on to reset the fuser code.
              Inauguration to the "AI cancel-culture" fraternity 1997...
              •••••• •••[§]• |N | € | o | M | Δ | t | π | ¡ | x | •[§]••• ••••••

                Comment

                • Lagonda
                  Service Manager

                  Site Contributor
                  1,000+ Posts
                  • Aug 2008
                  • 1649
                  #5
                  Re: HP Laser Jet M880 fuser error

                  Who ever designed the panels for this clunker should have his genitals removed with an angle grinder!!! Why do you have to remove the bridge unit to do something as simple as take the back panel off?
                  At least 50% of IT is a solution looking for a problem.

                    Comment

                    • fixthecopier
                      ALIEN OVERLORD

                      2,500+ Posts
                      • Apr 2008
                      • 4713
                      #6
                      Re: HP Laser Jet M880 fuser error

                      Originally posted by Lagonda
                      Who ever designed the panels for this clunker should have his genitals removed with an angle grinder!!! Why do you have to remove the bridge unit to do something as simple as take the back panel off?
                      I believe every design engineer for every copier company has had his wife run off with a field tech, and things like this are part of their sick twisted revenge.
                      The greatest enemy of knowledge isn't ignorance, it is the illusion of knowledge. Stephen Hawking

                        Comment

                        • NeoMatrix
                          Senior Tech.

                          2,500+ Posts
                          • Nov 2010
                          • 3513
                          #7
                          Re: HP Laser Jet M880 fuser error

                          Originally posted by fixthecopier
                          I believe every design engineer for every copier company has had his wife run off with a field tech, and things like this are part of their sick twisted revenge.
                          .... haha I feel the usual thread digression coming on......
                          Inauguration to the "AI cancel-culture" fraternity 1997...
                          •••••• •••[§]• |N | € | o | M | Δ | t | π | ¡ | x | •[§]••• ••••••

                            Comment

                            • theengel
                              Service Manager

                              1,000+ Posts
                              • Nov 2011
                              • 1784
                              #8
                              Re: HP Laser Jet M880 fuser error

                              Originally posted by fixthecopier
                              I believe every design engineer for every copier company has had his wife run off with a field tech, and things like this are part of their sick twisted revenge.
                              I love that. I'm using that from now on.

                                Comment

                                • Lagonda
                                  Service Manager

                                  Site Contributor
                                  1,000+ Posts
                                  • Aug 2008
                                  • 1649
                                  #9
                                  Re: HP Laser Jet M880 fuser error

                                  Originally posted by NeoMatrix
                                  .... haha I feel the usual thread digression coming on......
                                  That was my fault, I should know better by now. All I'm going to get now is whinges about copier designs and all I really wanted was a technical explanation of what caused a 50.4F.00 code.
                                  At least 50% of IT is a solution looking for a problem.

                                    Comment

                                    • blackcat4866
                                      Master Of The Obvious

                                      Site Contributor
                                      10,000+ Posts
                                      • Jul 2007
                                      • 23008
                                      #10
                                      Re: HP Laser Jet M880 fuser error

                                      No System Error Reset (like Konica Minolta). No U906 Partial Reset (like Kyocera). No Function > Error > Reset (like Canon). No sim U14/U15/U16 (like Sharp).

                                      Just power Off/On, and if you resolved the problem it will go away. =^..^=
                                      Last edited by blackcat4866; 09-23-2015, 02:38 AM.
                                      If you'd like a serious answer to your request:
                                      1) demonstrate that you've read the manual
                                      2) demonstrate that you made some attempt to fix it.
                                      3) if you're going to ask about jams include the jam code.
                                      4) if you're going to ask about an error code include the error code.
                                      5) You are the person onsite. Only you can make observations.

                                      blackcat: Master Of The Obvious =^..^=

                                        Comment

                                        • Iowatech
                                          Not a service manager

                                          2,500+ Posts
                                          • Dec 2009
                                          • 3930
                                          #11
                                          Re: HP Laser Jet M880 fuser error

                                          I don't know how much this will help as it is from the M600 manual, but that says a 50.4X.YZ error means the machine has detected an over temp issue in the fuser (for what it is worth, the manual helpfully further explains only that "X"= the fuser mode, "Y"=previous printer sleep state, and "Z"=next printer sleep state, but not which each of those means exactly).
                                          If you've ever worked on old Canon fax machines, that experience can be helpful with HP equipment. I mean, I apologize if you've already done this, but you should turn the machine off and unplug it for a while (I don't know, get a cup of coffee or something, that usually works for me, although it could need to be unplugged for around ten minutes so take your time if possible). And maybe check the outlet the machine is plugged into to make sure it's up to spec.
                                          Anyway, back to the manual, such as it is. It says if the fuser is OK then to check the connector for the fuser for damage or not being plugged in correctly, and then replace the low voltage power supply.
                                          Also for what it is worth, here's something I found on HP's support website that might be more helpful than me:

                                            Comment

                                            • Lagonda
                                              Service Manager

                                              Site Contributor
                                              1,000+ Posts
                                              • Aug 2008
                                              • 1649
                                              #12
                                              Re: HP Laser Jet M880 fuser error

                                              Thanks for your input Gentlemen, problem now solved.
                                              It appears that something went short circuit in the fuser and took out the 240v board that controls the fuser.
                                              Fortunately I had access to another M880 that I could use as a test box. Now I just have to wait for a new fuser to come off back order.

                                              p.s. please don't tell anyone I worked on an HP.
                                              At least 50% of IT is a solution looking for a problem.

                                                Comment

                                                • blackcat4866
                                                  Master Of The Obvious

                                                  Site Contributor
                                                  10,000+ Posts
                                                  • Jul 2007
                                                  • 23008
                                                  #13
                                                  Re: HP Laser Jet M880 fuser error

                                                  Originally posted by Lagonda
                                                  ... p.s. please don't tell anyone I worked on an HP.
                                                  Your secret is safe with me. =^..^=
                                                  If you'd like a serious answer to your request:
                                                  1) demonstrate that you've read the manual
                                                  2) demonstrate that you made some attempt to fix it.
                                                  3) if you're going to ask about jams include the jam code.
                                                  4) if you're going to ask about an error code include the error code.
                                                  5) You are the person onsite. Only you can make observations.

                                                  blackcat: Master Of The Obvious =^..^=

                                                    Comment

                                                    • MStalkfleet
                                                      Technician
                                                      • Apr 2011
                                                      • 41
                                                      #14
                                                      Re: HP Laser Jet M880 fuser error

                                                      HP what HP??? Don't know what you are talking about. Just make sure your Sales rep doesn't get wind of you fixing the issue.

                                                        Comment

                                                        • tech28
                                                          Trusted Tech

                                                          Site Contributor
                                                          250+ Posts
                                                          • Jun 2013
                                                          • 434
                                                          #15
                                                          Re: HP Laser Jet M880 fuser error

                                                          Service friendly,

                                                            Comment

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