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  1. #1
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    C227 - Vertical color bands

    OK, this is a weird one. Vertical bands of all colors on every color print, no problem on black & white prints.



    I've isolated the problem to the print head by blocking the cyan window and the cyan bands disappeared. I changed the print head and it did nothing. I changed the MFP board and the problem became intermittent, and more regularly spaced when they do appear. I'm thinking it's a problem with the ribbon cable to the print head, since I reseated it when I changed the board, but my manager thinks that shouldn't be possible.

  2. #2
    Service Manager 5,000+ Posts tsbservice's Avatar
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    Re: C227 - Vertical color bands

    I would try another ribbon cable, if that didn't help leaves only HV unit.
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  3. #3
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    Re: C227 - Vertical color bands

    Wound up being the memory card.

  4. #4
    Certified Konica Expert 2,500+ Posts
    C227 - Vertical color bands

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    Re: C227 - Vertical color bands

    Thanks for posting a follow-up!!
    We know a thing or two because we've seen a thing or two.
    Also don't ask me for files without a contributor badge.

  5. #5
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    Re: C227 - Vertical color bands

    Quote Originally Posted by mascan42 View Post
    OK, this is a weird one. Vertical bands of all colors on every color print, no problem on black & white prints.



    I've isolated the problem to the print head by blocking the cyan window and the cyan bands disappeared. I changed the print head and it did nothing. I changed the MFP board and the problem became intermittent, and more regularly spaced when they do appear. I'm thinking it's a problem with the ribbon cable to the print head, since I reseated it when I changed the board, but my manager thinks that shouldn't be possible.
    Replace the HV UNIT

    Sent from my Hisense U40 using Tapatalk

  6. #6
    Certified Konica Expert 2,500+ Posts
    C227 - Vertical color bands

    Synthohol's Avatar
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    Re: C227 - Vertical color bands

    Quote Originally Posted by blinxwap View Post
    Replace the HV UNIT

    Sent from my Hisense U40 using Tapatalk
    He just posted the memory card was the culprit, case is closed
    We know a thing or two because we've seen a thing or two.
    Also don't ask me for files without a contributor badge.

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