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  1. #1
    Senior Tech 100+ Posts TechGeek's Avatar
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    Sharp MX-M363 black lines on self prints and copies

    I have Sharp MX-M363 with black lines on self prints and copies Print Sample (2).pdf . THe PCL symbol is the self print and the other is a copy. I have replaced the LSU and the Main Charge unit no difference. There is about 30K on the PM.

    Any Sugestions???

  2. #2
    The New Guy 1,000+ Posts ruben's Avatar
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    Re: Sharp MX-M363 black lines on self prints and copies

    Looks like a memory issue, you will notice that the marks change to white when it reaches the Sharp logo.

    I am not familiar with these machines, but first thought would be to check memory DIMM(s), then compare settings to a working machine.

    If it has a memory test SIM you could try that, also.

  3. #3
    Senior Tech 100+ Posts TechGeek's Avatar
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    Question Re: Sharp MX-M363 black lines on self prints and copies

    Update. I have tried swapping out the memory in DIMM slot 2 and this made no difference. I also performed TC 67-70 which is a SRAM clear but that did nothing as well. I have some more memory coming in tomorrow to test out the memory in slot 3. I will let you know how that works out. i have also performed some self prints for TC 64-02 and the prints from the LSU-ASIC and they printed perfectly, but any self test print from the MFP-ASIC or Controller (memory) prints crappy. I have a feeling that it will be the MFP PWB.

  4. #4
    Senior Tech 100+ Posts TechGeek's Avatar
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    Re: Sharp MX-M363 black lines on self prints and copies

    Quote Originally Posted by TechGeek View Post
    Update. I have tried swapping out the memory in DIMM slot 2 and this made no difference. I also performed TC 67-70 which is a SRAM clear but that did nothing as well. I have some more memory coming in tomorrow to test out the memory in slot 3. I will let you know how that works out. i have also performed some self prints for TC 64-02 and the prints from the LSU-ASIC and they printed perfectly, but any self test print from the MFP-ASIC or Controller (memory) prints crappy. I have a feeling that it will be the MFP PWB.
    OK i have tried swapping out all the memory and no luck so i guess is now to replacing the main board.

  5. #5
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    Sharp MX-M363 black lines on self prints and copies


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    Re: Sharp MX-M363 black lines on self prints and copies

    Quote Originally Posted by TechGeek View Post
    OK i have tried swapping out all the memory and no luck so i guess is now to replacing the main board.
    I realize this is an old post, but has anyone solved this issue?

  6. #6
    Service Manager 10,000+ Posts
    Sharp MX-M363 black lines on self prints and copies

    Phil B.'s Avatar
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    Re: Sharp MX-M363 black lines on self prints and copies

    Quote Originally Posted by bcopier2815 View Post
    I realize this is an old post, but has anyone solved this issue?
    no report back since he said he was going to try BD.

    if you have a problem start a new thread

  7. #7
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    Re: Sharp MX-M363 black lines on self prints and copies

    do you check high voltage?

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