SHARP FN21/22

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  • Joker
    Technician
    • Sep 2021
    • 12

    #1

    SHARP FN21/22

    Hello I have a problem with a fn22 and mxm7570 when stapling or drilling the sheets as they are not well adjusted then the sheets come out badly stapled moved, and the holes do not match perfectly either I do not know if anyone has happened and can give me a hand. Il try to fix with adjustment , simulation 3-10 but not work.
    Thanks u guys!
  • Prints Charming
    Trusted Tech

    100+ Posts
    • Aug 2019
    • 189

    #2
    Re: SHARP FN21/22

    What is the MXM7570 firmware version installed? There was a lot of finisher corrections and updates in bundle version 0450t200_20071400, including several for FN21/FN22 for stapling & alignment.
    The latest firmware is bundle version 0453t200_22040400.
    Other known causes for this issue are dirty compiling rollers or an issue with the shutter clutch.
    Compiling rollers are accessible if you lift the exit roller gate and reach inside. Clean the 2 small rollers inside. These pull the sheets back into the compiling brackets.
    Shutter clutch is located in the bottom left corner behind the upper front cover. It's a large clutch with a long drive belt on it. If this clutch slips, the timing of the reverse rollers goes out of sync and does not pull the sheets back into the compiling brackets for stapling correctly.
    This won't be a punch unit problem, as the hole-punch occurs as the sheets enter the finisher one at a time. This sounds like the usual compiling issue which ends up showing misaligned punch holes.

    Comment

    • Joker
      Technician
      • Sep 2021
      • 12

      #3
      Re: SHARP FN21/22

      Thanks, I will try with these options that you have given me and I will leave if it has worked for me possibly it is firmware because it is a recent machine on a site and a month later it started to do it.

      Comment

      • Joker
        Technician
        • Sep 2021
        • 12

        #4
        Re: SHARP FN21/22

        Originally posted by Prints Charming
        What is the MXM7570 firmware version installed? There was a lot of finisher corrections and updates in bundle version 0450t200_20071400, including several for FN21/FN22 for stapling & alignment.
        The latest firmware is bundle version 0453t200_22040400.
        Other known causes for this issue are dirty compiling rollers or an issue with the shutter clutch.
        Compiling rollers are accessible if you lift the exit roller gate and reach inside. Clean the 2 small rollers inside. These pull the sheets back into the compiling brackets.
        Shutter clutch is located in the bottom left corner behind the upper front cover. It's a large clutch with a long drive belt on it. If this clutch slips, the timing of the reverse rollers goes out of sync and does not pull the sheets back into the compiling brackets for stapling correctly.
        This won't be a punch unit problem, as the hole-punch occurs as the sheets enter the finisher one at a time. This sounds like the usual compiling issue which ends up showing misaligned punch holes.

        Yeah de update fixed that, thank u so much

        Comment

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