SC552 / SC 552

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  • swob
    • Dec 2024

    [Error Code] SC552 / SC 552

    Hi,
    problem at Ricoh AC 3006 ( probably same: / 3506 4006 ), Fuser Error / Pressure Roller warm-up error
    ...
    A thermistor was mechanically damaged by paper jam (but electrically apparently OK), there was a heavy blow
    All connections checked all resistors (take a good ohm-meter) OK: thermistors, thermal fuses (in the cable crimped), warm-up lamp
    Thermistor against a used exchanged.

    it was no fault to be found anywhere

    Despite repeated reset the machine does not function ..... SC552

    Solution Reset (machine was not working for 2 - 3 month):
    C button (yellow) + on keyboard: 107 + C-button (orange + large) long press
    Then, go to the menu
    scroll
    Mode 5 enter
    here below 810: SC Reset
    Unfortunately, there is no OK
    keyboard: 0 or 1 (probably 1) choosed and press #
    it displays a confirmation message: run as service - etc.
    Switch off the machine
    Error: reset
    (on some devices without a reset command: open flap + off)

    …good luck ...
    Last edited by Guest; 02-14-2013, 01:43 PM. Reason: syntax error - sorry i'm German
  • fshead
    Service Manager

    1,000+ Posts
    • Jan 2009
    • 2356

    #2
    Re: SC552 / SC 552

    Are you talking bout the old old ricoh color that uses the type k toner?
    the one that came out b4 the b023 series 6513 copier?
    now i wrk on old stuff but i havent touched one of those in 3-4 years..
    do you leave the fnt door open after turning back on?
    and see if closing the door still show code

    Comment

    • Herostrat
      Trusted Tech

      100+ Posts
      • Oct 2012
      • 220

      #3
      Re: SC552 / SC 552

      I had on BW machines mechanicaly damaged thermistors that worked in most cases but some of them simply culdn't,even if resistance is ok...I beleve it's reading higher temperature due to lack of film on it and reports abnormal teperature on hot roller.
      U shuld replace that thermistor,I allways have spare ones in my toolbox just in case...for comparing at lest.
      Gears,springs,clutches,sliders,connectors and electronics...who on earth can tell what's wrong with it?

      Comment

      • swob

        #4
        Re: SC552 / SC 552

        Originally posted by fshead
        Are you talking bout the old old ricoh color that uses the type k toner?
        the one that came out b4 the b023 series 6513 copier?
        now i wrk on old stuff but i havent touched one of those in 3-4 years..
        do you leave the fnt door open after turning back on?
        and see if closing the door still show code




        Hello,
        yes this is the good old machine with K-Toner, with printing result we are glad...

        No I didn't leave the door open (i'm not really sure).

        Comment

        • swob

          #5
          Re: SC552 / SC 552

          Originally posted by Herostrat
          I had on BW machines mechanicaly damaged thermistors that worked in most cases but some of them simply culdn't,even if resistance is ok...I beleve it's reading higher temperature due to lack of film on it and reports abnormal teperature on hot roller.
          U shuld replace that thermistor,I allways have spare ones in my toolbox just in case...for comparing at lest.


          Hello,

          thank you for quick replies, the thermistore seams to work electrical well, but it's surface, witch is pulling on the surface of the drum was too rough.

          Comment

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