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  1. #1
    Service Manager 1,000+ Posts
    Aficio 2051 (b+w) with sc555 + sc552


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    Thumbs up Aficio 2051 (b+w) with sc555 + sc552

    Aficio w error sc555 + sc552. Cust had sc555 and knows
    Spmode reset. Did reset snd got sc552. Won't reset. Do i need
    thermistor or lamp as per SM.? Frank/AP


  2. #2
    Senior Tech 100+ Posts
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    Re: Aficio 2051 (b+w) with sc555 + sc552

    if you have a spare fuser take that with you. If not then take thermistor, heater lamp, over temp sensor, upper fuser and lower pressure roller, bearings both upper and lower. Hope that will get you going. Could be a board problem too wont know till you get there and check it out.


  3. #3
    Service Manager 1,000+ Posts
    Aficio 2051 (b+w) with sc555 + sc552


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    Thumbs up Re: Aficio 2051 (b+w) with sc555 + sc552

    Thank you for your quick reply Copierman. Unfortunately i don't
    Have mich for that machine . Have thermistors + other parts
    not related to fuser. Frank


  4. #4
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    Re: Aficio 2051 (b+w) with sc555 + sc552

    I would start with the thermistors and thermostats.


  5. #5
    Retired 5,000+ Posts slimslob's Avatar
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    Re: Aficio 2051 (b+w) with sc555 + sc552

    Many times a fusing error code will change if you clear the code without repairing the problem. The same malfunction will result in a different code if it is detected at power up as opposed to during normal operation.

    The first that I used to do with these older machines was to check the thermostats with a meter. If one was open and I did not have a replacement with me, I would bypass until I could get back with a new thermostat. Replace with AW110066 Thermostat: 211C. The older thermostats AW110052 and AW110040 had a reliability problem.


  6. #6
    Field Supervisor 500+ Posts Polarbear's Avatar
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    Re: Aficio 2051 (b+w) with sc555 + sc552

    Hi

    Seems like you are looking at a busted fusing lamp for both codes, or a lamp and end thermistor.

    SC 552:
    Heating roller warm-up error 2
    The heating roller temperature does not reach the ready temperature for 65
    seconds after the fusing unit has rotated.


    The heating roller temperature does not reach 100C for 25 seconds in the
    low temperature condition after the heating lamp on.
    Dirty or defective thermistor (end)

    Heating roller fusing lamp broken

    Defected thermostat

    Defective heating roller fusing lamp
    1. Check if the heating roller thermistor (end) is firmly connected.
    2.
    Replace the heating roller thermistor (end).
    3. Replace the heating roller fusing lamp.

    SC555:

    Heating roller lamp consecutive full power 2
    When the fusing unit is not running in the ready condition, the pressure roller-fusing
    lamp keeps ON full power for 130 seconds or more.
    Broken heating roller thermostat

    Broken heating roller fusing lamp

    1. Replace the heating roller thermostat.
    2.
    Replace the heating roller fusing lamp.





    Press the GREEN button!!

  7. #7
    Service Manager 1,000+ Posts
    Aficio 2051 (b+w) with sc555 + sc552


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    Thumbs up Re: Aficio 2051 (b+w) with sc555 + sc552

    Thank you Copierman, Jonhiker ,Slimslob and Polarbear. So very grateful for your help. Turned out to be one of the thermostats. Frank


  8. #8
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    Re: Aficio 2051 (b+w) with sc555 + sc552

    Quote Originally Posted by axyun View Post
    Thank you Copierman, Jonhiker ,Slimslob and Polarbear. So very grateful for your help. Turned out to be one of the thermostats. Frank
    Dirty thermistors usually cause that.


  9. #9
    Service Manager 1,000+ Posts
    Aficio 2051 (b+w) with sc555 + sc552


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    Thumbs up Re: Aficio 2051 (b+w) with sc555 + sc552

    Got lucky. with thermos fuse. Easy enough to take care of. Thanks. frank


  10. #10
    Retired 5,000+ Posts slimslob's Avatar
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    Re: Aficio 2051 (b+w) with sc555 + sc552

    Quote Originally Posted by anothertech View Post
    Dirty thermistors usually cause that.
    In my experience they are seldom the cause since they are normally replaced at each fusing unit PM. I have had to replace a lot more thermostats due to fusing errors.


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