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Thread: Sc.503

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    Sc.503

    I am unable to find solution to fix this sc.503 .I admitted. The LCT showed this code. It attached below Mpc.4500. The Lct had 2 paper trays, left and right. Please help !


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    Field Supervisor 1,000+ Posts Llama God's Avatar
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    Check for paper behind tray 3, including any wedged into the connector on the back.


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    Also had a springs break in the feed assy so the pickup roller would never lift up when it was supposed to, but paper stuck in the connectors would be much more common

    Be careful in teaching your children it is acceptable to abort an inconvenient unplanned pregnancy because they may also determine it is acceptable to euthanize an inconvenient elderly parent.

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    It's not easy being green 500+ Posts Cipher's Avatar
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    Fairly common error on the LCT (tandem tray).
    9 out 10 times it's down to poorly stacked paper, edges sticking out everywhere causing drag as the tray lifts.

    Fan and re-stack, cycle the power off / on and test.


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    Code can be reset

    Quote Originally Posted by Cipher View Post
    Fairly common error on the LCT (tandem tray).
    9 out 10 times it's down to poorly stacked paper, edges sticking out everywhere causing drag as the tray lifts.

    Fan and re-stack, cycle the power off / on and test.
    My customer know howto reset the SC by turning power Off then On, when I arrive, I check left+right tray mechanism, all look fines, but in SMC report, there are several times the code 503 appeared in few days. I tested feeding is fine. I ran 150 pages no code. I am just do not know where else to look for.


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    Passing Duplication Xpert 1,000+ Posts cobiray's Avatar
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    Check the drive for the shift lever. The inner race of the gears can round out and slip or not turn at all depending on the amount of paper in the shift tray.


  7. #7
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    Quote Originally Posted by cobiray View Post
    Check the drive for the shift lever. The inner race of the gears can round out and slip or not turn at all depending on the amount of paper in the shift tray.
    You meaned left tray mechanism ? I will check it out, but since new the SC503 code had appeared, this made me wonder !


  8. #8
    Passing Duplication Xpert 1,000+ Posts cobiray's Avatar
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    Quote Originally Posted by Ltd View Post
    You meaned left tray mechanism ? I will check it out, but since new the SC503 code had appeared, this made me wonder !
    Yes the left side.

    You might want to check the rear paper guide on the right side also. If it's bent or deformed the tray can have trouble lowering or raising.


  9. #9
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    sc 503

    Check tray position sensor, one time I found it got knocked out just a tad. Good Luck!


  10. #10
    Service Manager 250+ Posts bonnie750's Avatar
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    i agree with techshare...had the same thing.I reckon if paper was over the back it wouldn't come to ready atall


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