Diference Ricoh mp5500 vs mp7500

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  • m_donakov
    Trusted Tech

    100+ Posts
    • Jan 2010
    • 213
    #1

    Diference Ricoh mp5500 vs mp7500

    Hello everyone

    I have been wondering for a long time, does anyone know what the difference is between Ricoh mp5500 and mp7500. Obviously, all the parts are the same and fit from one to the other. So what is it that makes the difference in speed? There must be something different about each other. Thanks
    Tags: difference, fit, mp5500, mp7500, ricoh
    • slimslob
      Retired

      Site Contributor
      25,000+ Posts
      • May 2013
      • 37059
      #2
      Re: Diference Ricoh mp5500 vs mp7500

      Actually the motors in both run at the same speeds. It is the timing between sheets of paper that is different. Now there are a number of ways that the design engineers may have used. Here are two of the possibilities.
      1. A component attached to one of the wiring harnesses that is not listed in any parts catalog, has no identifying markings on it and not available for replacement.
      2. When during manufacturing the serial number is programmed through the engineering data port the speed is encoded, based on the serial number, in PAL chips on every major PCB. That is why when certain boards are replaced you get an error until you enter the proper serial number.

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        • m_donakov
          Trusted Tech

          100+ Posts
          • Jan 2010
          • 213
          #3
          Re: Diference Ricoh mp5500 vs mp7500

          Originally posted by slimslob
          Actually the motors in both run at the same speeds. It is the timing between sheets of paper that is different. Now there are a number of ways that the design engineers may have used. Here are two of the possibilities.
          1. A component attached to one of the wiring harnesses that is not listed in any parts catalog, has no identifying markings on it and not available for replacement.
          2. When during manufacturing the serial number is programmed through the engineering data port the speed is encoded, based on the serial number, in PAL chips on every major PCB. That is why when certain boards are replaced you get an error until you enter the proper serial number.
          This " component attached to one of the wiring harnesses that is not listed in any parts catalog, has no identifying markings on it and not available for replacement." Make more sense for me. Must be something inside machine that it isnt listed in parts catalogue.

          Thanks fornyour ooinion

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