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  1. #1
    Service Manager 1,000+ Posts
    Kyocera 4551ci - wide white band on black only

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    Kyocera 4551ci - wide white band on black only

    I have a Kyocera 4551ci. All the colors look good except black. There's a wide white band 13mm wide. I've replaced drum, PCR and developer. Kinda of at a loss. Any help is appreciated. See examples below.

    4551y_Page_1.jpg
    Attached Files Attached Files

  2. #2
    Service Manager 10,000+ Posts
    Kyocera 4551ci - wide white band on black only

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    Re: Kyocera 4551ci - wide white band on black only

    Quote Originally Posted by BillyCarpenter View Post
    I have a Kyocera 4551ci. All the colors look good except black. There's a wide white band 13mm wide. I've replaced drum, PCR and developer. Kinda of at a loss. Any help is appreciated. See examples below.

    4551y_Page_1.jpg
    print or copy?

    did you clean the optics?

    is scan lamp back at HP?

    how many pages on PM parts?

  3. #3
    Service Manager 1,000+ Posts
    Kyocera 4551ci - wide white band on black only

    BillyCarpenter's Avatar
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    Re: Kyocera 4551ci - wide white band on black only

    Quote Originally Posted by Phil B. View Post
    print or copy?

    did you clean the optics?

    is scan lamp back at HP?

    how many pages on PM parts?
    The examples I posted are the internal color test charts. It's only doing it on black and the K drum, DV unit and PCR are new. Just installed. I'm thinking it may be the laser slit glass but I'm not sure how to clean it. I'm looking for it in the manual. Don't see it yet.

  4. #4
    Service Manager 1,000+ Posts
    Kyocera 4551ci - wide white band on black only

    BillyCarpenter's Avatar
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    Re: Kyocera 4551ci - wide white band on black only

    Quote Originally Posted by BillyCarpenter View Post
    The examples I posted are the internal color test charts. It's only doing it on black and the K drum, DV unit and PCR are new. Just installed. I'm thinking it may be the laser slit glass but I'm not sure how to clean it. I'm looking for it in the manual. Don't see it yet.

    Okay, I see how to clean the laser slit glass. I'll give that a try tomorrow. Still, if anyone has any idea of what the problem is, please let me know.

  5. #5
    Service Manager 1,000+ Posts
    Kyocera 4551ci - wide white band on black only

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    Re: Kyocera 4551ci - wide white band on black only

    Black laser polygon mirror?
    When you think you have made a procedure idiot proof your company employs a better idiot.

  6. #6
    Service Manager 1,000+ Posts
    Kyocera 4551ci - wide white band on black only

    BillyCarpenter's Avatar
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    Re: Kyocera 4551ci - wide white band on black only

    Quote Originally Posted by skynet View Post
    Black laser polygon mirror?
    I don't know. This is about the only area of this model that I've never had to mess with. I'm hoping it's just a dirty laser slit glass.

  7. #7
    Service Manager 2,500+ Posts tsbservice's Avatar
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    Re: Kyocera 4551ci - wide white band on black only

    Something is obstructing laser path. You have to find what. Maybe a some debris or piece of paper or even dead cockroach.
    A tree is known by its fruit, a man by his deeds. A good deed is never lost, he who sows courtesy, reaps friendship, and he who plants kindness gathers love.

    Blessed are they who can laugh at themselves, for they shall never cease to be amused.

  8. #8
    Service Manager 5,000+ Posts
    Kyocera 4551ci - wide white band on black only

    copier tech's Avatar
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    Re: Kyocera 4551ci - wide white band on black only

    Quote Originally Posted by BillyCarpenter View Post
    I have a Kyocera 4551ci. All the colors look good except black. There's a wide white band 13mm wide. I've replaced drum, PCR and developer. Kinda of at a loss. Any help is appreciated. See examples below.

    4551y_Page_1.jpg
    If this was fed SEF it looks like the laser cleaner is stuck?
    Let us eat, drink, and be merry, because tomorrow we may die!

    www.copierfirmware.co.uk

  9. #9
    Service Manager 2,500+ Posts tsbservice's Avatar
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    Re: Kyocera 4551ci - wide white band on black only

    Quote Originally Posted by copier tech View Post
    If this was fed SEF it looks like the laser cleaner is stuck?
    It's parallel to paper path, Billy marked it so I guess your suggestion is even more valid than mine.
    A tree is known by its fruit, a man by his deeds. A good deed is never lost, he who sows courtesy, reaps friendship, and he who plants kindness gathers love.

    Blessed are they who can laugh at themselves, for they shall never cease to be amused.

  10. #10
    Service Manager 1,000+ Posts
    Kyocera 4551ci - wide white band on black only

    BillyCarpenter's Avatar
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    Re: Kyocera 4551ci - wide white band on black only

    Quote Originally Posted by copier tech View Post
    If this was fed SEF it looks like the laser cleaner is stuck?

    Could be. I'll be at their office bright and early in the morning. It's easy enough to remove the metal cover over the slit glass where the laser cleaner arm resides. For good measure, I just uninstalled the laser unit from a machine in the shop. I had never done that before. Wasn't that bad.

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