Need help resetting NVM on Xerox 7655.

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  • jryan15
    • Jun 2025
    #1

    [Error Code] Need help resetting NVM on Xerox 7655.

    Hello all! Recently out Xerox 7655 went down reporting a 42-326 error. I was able to pull the IBT belt and clean the silver patch and the sensor (as well as I could), but the fault persists. I read that I need to access the maintenance menu and reset NVM 741-105 (as well as possibly complete a belt edge learn cycle).

    I've tried several different ways of holding "0" for 5 seconds and pressing the start button, but I can't seem to access the maintenance menu. I can log into the admin side using the default password, but I can not find the NVM to reset it to "0".

    Any help would be greatly appreciated. Thanks!
    Tags: 042-326
    • JustManuals
      Field Supervisor

      5,000+ Posts
      • Jan 2006
      • 9838
      #2
      Re: Need help resetting NVM on Xerox 7655.

      This Parts & Service Manual can now be purchased for $12.77 and downloaded immediately after payment from

      Just Manuals ~ The Internet's largest selection of manuals ~ Instant Downloads

      Paul@justmanuals.com

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        • fogra27
          Technician
          • Mar 2011
          • 29
          #3
          Re: Need help resetting NVM on Xerox 7655.

          to enter diagnostic hold # * and Stop, then 6789.....

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            • jryan15
              #4
              Re: Need help resetting NVM on Xerox 7655.

              Originally posted by fogra27
              to enter diagnostic hold # * and Stop, then 6789.....

              Thank you! Will try this asap!

                Comment

                • jryan15
                  #5
                  Re: Need help resetting NVM on Xerox 7655.

                  Alright, I was able to access the service menu... Unfortunately I was not able to reset the NVM. I found the "NVM Read/Write" button inside of the "Adjustments" tab. However when I launched the "NVM Read/Write" routine, I did not see a means of accessing a particular NVM. Instead a "Service Name" box opened with several options, Diagnostic Service, Copy Service, Mark Service, etc.

                  In looking around I was able to complete a "Belt edge learn" cycle, but the machine still boots up with a system fault. It continues to report an error 42-326. Any help would be great!

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                    • adriansto
                      Service Manager

                      Site Contributor
                      VIP Subscriber
                      1,000+ Posts
                      • Nov 2007
                      • 2384
                      #6
                      Re: Need help resetting NVM on Xerox 7655.

                      May be other errors. Follow procedure from service manual for 042-326 error.
                      What software version have the machine ?
                      Last edited by adriansto; 01-26-2012, 04:53 PM.

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                        • jryan15
                          #7
                          Re: Need help resetting NVM on Xerox 7655.

                          I wish that I had access to a user manual. We are going out of business and mgnt just decided to quit using the copier. I'd still like to continue my quest to fix it though. The IU software version is 040.032.53080.

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                            • adriansto
                              Service Manager

                              Site Contributor
                              VIP Subscriber
                              1,000+ Posts
                              • Nov 2007
                              • 2384
                              #8
                              Re: Need help resetting NVM on Xerox 7655.

                              Originally posted by jryan15
                              I wish that I had access to a user manual. We are going out of business and mgnt just decided to quit using the copier. I'd still like to continue my quest to fix it though. The IU software version is 040.032.53080.

                              This is a Patriot machine and dont have complete diagnostic only on User Interface.
                              You need pws diagnostic tool to have acces at whole diagnostic. And service manual is a must.

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                                • WIWA
                                  Technician

                                  50+ Posts
                                  • Mar 2009
                                  • 97
                                  #9
                                  Re: Need help resetting NVM on Xerox 7655.

                                  Hello, just in case it happen to me once check the belt orientation may you reinstalled backward and the patch is located at the other end , by the way their is a retrofit to prevent the code.


                                  Hope this helps,


                                  Wiwa 72

                                  Gonzos Build v. 1.0

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