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  1. #1
    Senior Tech 100+ Posts
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    CS-255 black copies

    I have a CS-255 with totally black copies. The maint report prints out fine. Is it the scan assly or board? The lamp is on when scanning.


  2. #2
    Service Manager 250+ Posts
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    Re: CS-255 black copies

    Replace the eng board


  3. #3
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    Re: CS-255 black copies

    Quote Originally Posted by Tonerkiller View Post
    Replace the eng board
    Not to doubt you, but can it be anything else before I order a repaired one from Hytec? Are these boards common failures? I have 3 of this model in the field and this is the second one with a bad engine board.


  4. #4
    Master Of The Obvious 10,000+ Posts


    blackcat4866's Avatar
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    Re: CS-255 black copies

    Are there voids on your totally black copies? How about U089 Sample Set?

    If you'd like a serious answer to your request:
    1) demonstrate that you've read the manual
    2) demonstrate that you made some attempt to fix it.
    3) if you're going to ask about jams include the jam code.
    4) if you're going to ask about an error code include the error code.


    blackcat: Master Of The Obvious =^..^=

  5. #5
    Service Manager 100+ Posts



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    Re: CS-255 black copies

    If the maintenance report prints out fine, then it is not a print engine problem but a scanning issue. Just because the lamp is on does not mean that the scanning for copying is working properly. You failed to mention if the black copies occur from both the document processor and the glass? How about scanning a page to a network folder or to a usb drive? Is it still all black?


  6. #6
    Senior Tech 100+ Posts
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    Re: CS-255 black copies

    Quote Originally Posted by Santander View Post
    If the maintenance report prints out fine, then it is not a print engine problem but a scanning issue. Just because the lamp is on does not mean that the scanning for copying is working properly. You failed to mention if the black copies occur from both the document processor and the glass? How about scanning a page to a network folder or to a usb drive? Is it still all black?
    It is from both the glass and DF.


  7. #7
    Service Manager 250+ Posts Geo's Avatar
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    Re: CS-255 black copies

    Quote Originally Posted by campy View Post
    It is from both the glass and DF.
    Know problem with this box . I attached the T.B.

    Attached Files Attached Files

  8. #8
    Service Tech / IT Rep 100+ Posts JVergin's Avatar
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    Re: CS-255 black copies

    Quote Originally Posted by Geo View Post
    Know problem with this box . I attached the T.B.
    Yep, we've had this with just about every one of them out in the field - low and high volume.

    -- "Did you try cleaning the glass?"

  9. #9
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    Re: CS-255 black copies

    Try an EEPROM on the main bd...
    that worked for me once, black copies yet fine prints.


  10. #10
    Senior Tech 100+ Posts
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    Re: CS-255 black copies

    It was the main brd. I ended up buying a used CS-305 for less money than having the board repaired. Thanks everyone.


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