4110 error 91-914

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  • bojans
    Service Manager

    Site Contributor
    1,000+ Posts
    • Feb 2008
    • 1313

    #1

    4110 error 91-914

    Hi,

    After replacing drum in 4110 constantly getting error 91-914 after 50-100 copies. Consumable not properly seated.
    It also had error 61-320 but after cleaning and adjusting drum detect switch it has gone.
    My friend who has one 4112 machine told me that he resolved this problem by changing IOT NVM pwb. Wouldn't like to order this pwb and have the same error.
    Any suggestions would be appreciated.
    Thanks
  • Milo Wilson
    Trusted Tech

    250+ Posts
    • Feb 2009
    • 498

    #2
    Re: 4110 error 91-914

    Ther is a front sensor on the outboard side where the drum slides in that can give this fault

    Comment

    • bojans
      Service Manager

      Site Contributor
      1,000+ Posts
      • Feb 2008
      • 1313

      #3
      Re: 4110 error 91-914

      Thank you Milo,
      That sensor is in place, and I believe that it's working.
      What you suggest, to change it?

      Comment

      • XDE-774
        Technician
        • Sep 2012
        • 12

        #4
        Re: 4110 error 91-914

        this is extract from FIP at PWS
        hope this can solve your problem

        091-914 Drum CRUM Communication Fail
        BSD on:CH9.2
        Description
        A communication failure with Drum CRUM


        Procedure
        Turn OFF then ON.


        091-914 remains displayed.
        Yes No


        | It is highly likely that the MCU PWB made a faulty detection due to some external noise or internal discharge-related noise. Check if there are any noise sources around the machine and if any abnormal discharge has occurred.
        |
        |
        Turn off the power. Disconnect and reconnect the following connectors:


        J406 on the MCU PWB


        P/J171 on the Drum CRUM PWB


        If the above action does not resolve the problem, replace the following in order:


        Drum Cartridge


        Drum CRUM PWB (PL 11.2)


        MCU PWB (PL 2.1)

        Comment

        • zagrex
          Technician

          50+ Posts
          • Dec 2011
          • 63

          #5
          Re: 4110 error 91-914

          091-914 Drum CRUM Communication Fail

          BSD On

          CH9.2

          Description

          A communication failure with Drum CRUM


          Procedure

          091-914 remains displayed. Yes No Unanswered
          It is highly likely that the MCU PWB made a faulty detection due to some external noise or internal discharge-related noise. Check if there are any noise sources around the machine and if any abnormal discharge has occurred.


          Turn off the power. Disconnect and reconnect the following connectors:
          • P/J406 on the MCU PWB
          • P/J171 on the Drum CRUM PWB

          If the above action does not resolve the problem, replace the following in order:
          • Drum Cartridge ( PL 11.3)
          • Drum CRUM PWB ( PL 11.2)
          • MCU PWB ( PL 2.1)






          Originally posted by bojans
          Hi,

          After replacing drum in 4110 constantly getting error 91-914 after 50-100 copies. Consumable not properly seated.
          It also had error 61-320 but after cleaning and adjusting drum detect switch it has gone.
          My friend who has one 4112 machine told me that he resolved this problem by changing IOT NVM pwb. Wouldn't like to order this pwb and have the same error.
          Any suggestions would be appreciated.
          Thanks

          Comment

          • knightfall
            Senior Tech

            500+ Posts
            • Jul 2006
            • 633

            #6
            Re: 4110 error 91-914

            try popping the old drum back in even at 0% there is still a few copies left on the drum, if code goes away then bad drum if now then crum pwb and mcu.
            good luck
            Get your facts first, and then you can distort them as much as you please.

            Comment

            • bojans
              Service Manager

              Site Contributor
              1,000+ Posts
              • Feb 2008
              • 1313

              #7
              Re: 4110 error 91-914

              Thank you.
              I have tried with old drum first, but same thing.

              Comment

              • Tropix
                Technician

                Site Contributor
                • Jul 2011
                • 45

                #8
                Re: 4110 error 91-914

                Originally posted by bojans
                Thank you.
                I have tried with old drum first, but same thing.

                Today i have same problem do you solve it ?

                Comment

                • zagrex
                  Technician

                  50+ Posts
                  • Dec 2011
                  • 63

                  #9
                  Re: 4110 error 91-914

                  Content URL: "pws://busrec/EKA-4110/XC0522511459907169163161380829970227.dat"
                  SourceName: 4110F, 4112F, D110F Tech Eureka
                  Applies to: 4110 Distribution: Xerox
                  Fault Codes: 091-912, 091-914, 091-915, 091-921, 091-916 Chains: 09
                  Problem:


                  The Customer complains that the machine keeps asking them to reseat the drum cartridge, and if the cover plate is on the drum it makes the machine inoperative. Fault History records 091-xxx fault codes. Reseating the Drum module gets it running, but it happens again. Sometime a new Drum cartridge works from new to end of life but others exhibit this problem.
                  To test if this is your problem pull on the module without releasing the latch. If it pulls out easily, you have a problem.
                  A properly biased latch should hold it even when you pull on it (within reason).




                  Cause:


                  The Xerographic Latch doesn't have enough spring to hold it in place.The image below shows a good one where the sliding pin is sitting at the top of the cutout. A bad one won't spring back to the top of the sliding cutout. (Took the picture after I fixed it).
                  1.jpg











                  During a run, the module would get pushed out of the machine just enough to give a bad reading. A good push on the module would clear the fault temporarily.




                  I've used 2 methods: The 1st was to warm up the plastic that acts as the spring to bias it more in a way as to provide more spring in the latch. To do this, remove the latch. It can be removed without much effort.

                  2.png





                  <------Spring

                  The 2nd was to add some material to the area where the latch "spring" pushes. In the photo, I used a pad from another machine and covered it with scotch tape. It increased the bias of the latch keeping it in place. I've seen this problem on 3 out of 6 of the modules my customer has received.

                  3.png






                  <-------------added spacer & tape in here (latch is removed)



                  860493.Reseat Drum or Drum Not In Position messages 2009-08-05 00:46:08
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