Lexmark XC4140 Fuser error 121.71a

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  • SalesServiceGuy
    Field Supervisor

    Site Contributor
    5,000+ Posts
    • Dec 2009
    • 8105

    #1

    Lexmark XC4140 Fuser error 121.71a

    Is there a way to reset this fuser or do I have to buy a new one?
  • blackcat4866
    Master Of The Obvious

    Site Contributor
    10,000+ Posts
    • Jul 2007
    • 22952

    #2
    Re: Lexmark XC4140 Fuser error 121.71a

    There is no partial reset U906 (like on Kyocera) or System Error Clear (like on Konica Minolta) or 08-2002 (like on Toshiba).

    Most times it's the fuser unit. There are no sub assemblies.
    Components involved: Fuser heater, connectors, LVPS.

    I've had endusers buy their own fuser... and some fusers will fit even if its for the wrong model. I wasted a lot of time on 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

    • mloudy
      Senior Tech

      500+ Posts
      • Oct 2015
      • 771

      #3
      Re: Lexmark XC4140 Fuser error 121.71a

      So far the only fuser errors that we have been able to clear with a power cycle are 121.22A, 121.24A and 121.66A.

      We haven't seen them all though. There is a tech here that pulls fuser harnesses from fusers that have made it to end of life and uses them on failed fusers with low page counts. This doesn't work on fusers with the failure caused by something within the film fuser roller.

      Comment

      • blackcat4866
        Master Of The Obvious

        Site Contributor
        10,000+ Posts
        • Jul 2007
        • 22952

        #4
        Re: Lexmark XC4140 Fuser error 121.71a

        Originally posted by mloudy
        So far the only fuser errors that we have been able to clear with a power cycle are 121.22A, 121.24A and 121.66A.

        We haven't seen them all though. There is a tech here that pulls fuser harnesses from fusers that have made it to end of life and uses them on failed fusers with low page counts. This doesn't work on fusers with the failure caused by something within the film fuser roller.
        That sounds fairly labor-intensive for the price of a fuser, but I've done plenty of things like that, just because I could. Back when Kyocera Mita Voyager E fusers were faiiling left & right, I would save all the failed ones and salvage the useable parts. It took, on average, 3 failed fusers to make a single useable one. And these fusers were not so simple to disassemble. =^..^=
        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

        • mloudy
          Senior Tech

          500+ Posts
          • Oct 2015
          • 771

          #5
          Re: Lexmark XC4140 Fuser error 121.71a

          Once he sits down and does like 4 in a row he is pretty quick. Cordless driver and zip zip.

          There are two flaws with this model. The fuser and the keyboard. Both costly to replace. For our customers with dozens of these under MA we let them keep a spare fuser on hand and they change them out.

          On all new placements over the last year the reps have asked the end user that they use the Copy/Start button on the LCD and not the physical Copy/Start push button.

          Comment

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