error code in ricoh 7502 Sc 555

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  • yasir
    Technician
    • Mar 2007
    • 19

    #1

    [Error Code] error code in ricoh 7502 Sc 555

    the mentioned code comes daily we reset every day can any one help in this issue?
    if we replace the thremister the code cleared?
    yasirmohmed@yahoo.com
  • slimslob
    Retired

    Site Contributor
    25,000+ Posts
    • May 2013
    • 37328

    #2
    Re: error code in ricoh 7502 Sc 555

    It could be the pressure roller thermistor. A dirty or out of position thermistor can cause fusing error codes. Many times a fusing error code when a machine is first turned on in the morning results from the room temperature dropping below 60 F for an extended period of time. try connecting the upper and lower tray heaters to keep the inside of the machine warmer.

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    • Cipher
      It's not easy being green

      1,000+ Posts
      • May 2006
      • 1309

      #3
      Re: error code in ricoh 7502 Sc 555

      The cleaning web was also modified to supply more oil to keep the hot roller surface cleaner so the thermistors don't get so clogged up with toner and paper dust.

      AE045069

      • Knowledge not shared, is eventually knowledge that becomes lost... like tears in the rain.

      Fully qualified technician for Ricoh - Canon - Sharp - HP - Brother

      Comment

      • techsass
        Trusted Tech

        Site Contributor
        100+ Posts
        • Dec 2010
        • 248

        #4
        Re: error code in ricoh 7502 Sc 555

        Get into SP mode & change the following:

        1105-2 to 180*

        1107-1 to 195*
        1107-2 to 195*
        1107-3 to 70 seconds
        1107-4 to 70 seconds

        2804 to OFF

        3904 to 2

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