Re-enter Serial Number

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  • blackcat4866
    Master Of The Obvious

    Site Contributor
    10,000+ Posts
    • Jul 2007
    • 22996
    #1

    Re-enter Serial Number

    Does anybody know how to re-enter the serial number on a HP Laserjet 4100? I just replaced the formatter board, and everything works now, but I'd like to see the actual serial number on the config report instead of: XXXXXXXXXXX

    =^..^=
    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 =^..^=
    Tags: None
    • blackcat4866
      Master Of The Obvious

      Site Contributor
      10,000+ Posts
      • Jul 2007
      • 22996
      #2
      Re: Re-enter Serial Number

      **bump**

      Any HP trained folks out there? =^..^=
      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

        • JR2ALTA
          Service Manager

          Site Contributor
          1,000+ Posts
          • Feb 2010
          • 2030
          #3
          Re: Re-enter Serial Number

          Originally posted by blackcat4866
          **bump**

          Any HP trained folks out there? =^..^=

          http://www.copytechnet.com/forums/hp/35709-how-do-you-input-serial-number.html

            Comment

            • blackcat4866
              Master Of The Obvious

              Site Contributor
              10,000+ Posts
              • Jul 2007
              • 22996
              #4
              Re: Re-enter Serial Number

              Thanks JR, I forgot all about that one. =^..^=
              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

                • prntrfxr
                  Service Manager

                  1,000+ Posts
                  • Apr 2008
                  • 1627
                  #5
                  Re: Re-enter Serial Number

                  On the HP 4100, you just enter service mode to enter it. No need to get complicated. If the formatter does not hold the number (meaning when you cycle power it goes back to X's) you have a defective formatter and need to get another. Bad formatters are common on these machines.
                  Life should NOT be a journey to the grave with the intention of arriving safely in an attractive and well-preserved body, but rather to skid in sideways - Coke in one hand - chocolate in the other - body thoroughly used up, totally worn out and screaming "WOO-HOO, what a ride!".

                    Comment

                    • blackcat4866
                      Master Of The Obvious

                      Site Contributor
                      10,000+ Posts
                      • Jul 2007
                      • 22996
                      #6
                      Re: Re-enter Serial Number

                      Thanks, now I've got two ways to do it. This customer plays musical chairs with a group of twenty LJ4100 printers. I may not see this machine for another year, and noone can tell me where a particular printer went.

                      Thankfully, this doesn't harm the machine's functionality. =^..^=
                      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

                        • blackcat4866
                          Master Of The Obvious

                          Site Contributor
                          10,000+ Posts
                          • Jul 2007
                          • 22996
                          #7
                          Re: Re-enter Serial Number

                          Originally posted by prntrfxr
                          On the HP 4100, you just enter service mode to enter it. No need to get complicated. ...
                          I had a little problem at first. It kept going to: "SELECT LANGUAGE". It turned out that the Cancel Job key was packed with dirt. Once into SERVICE MODE, then SERVICE MENU, it went flawlessly. Even re-entered the count and the maintenance count.

                          I had three of these 4100's lined up. Of the three, this is the one with a (mostly) functional panel. Thanks prntrfxr. =^..^=
                          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

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