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  1. #1
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    Horizontal Blank line - Drum issue?

    This copier started to print blank/shaded lines recently. I have replaced the toner, but it has not helped. Can you diagnose if this is a bad drum, or another issue?BlankLine.jpg

  2. #2
    Senior Tech 1,000+ Posts kuby's Avatar
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    Re: Horizontal Blank line - Drum issue?

    It would help to know the model number ????

  3. #3
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    Re: Horizontal Blank line - Drum issue?

    Sorry it is an IR 2270

  4. #4
    Master Of The Obvious 10,000+ Posts
    Horizontal Blank line - Drum issue?

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    Re: Horizontal Blank line - Drum issue?

    Horizontal? That means nothing to me.

    Is the line in the feed direction or crossfeed direction of the print?
    Is the line in the main scan or sub-scan direction of the original?
    =^..^=
    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.
    5) You are the person onsite. Only you can make observations.

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

  5. #5
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    Re: Horizontal Blank line - Drum issue?

    Quote Originally Posted by blackcat4866 View Post
    Horizontal? That means nothing to me.

    Is the line in the feed direction or crossfeed direction of the print?
    Is the line in the main scan or sub-scan direction of the original?
    =^..^=
    it is a printer/scanner/copier
    The blank line is always in the front-back direction. The paper comes out with the long side, or the 11" side first.
    In other words, on prints/copies the line will be from left to right in portrait mode, (11" side to 11" side). There is one large shaded line, but also to other lines as you can see in the image attached.
    If we manually feed the printer, and have the paper fed with the short side (8.5") first, the line will appear from the top to the bottom of the paper, or from the 8.5" side to the other 8.5" side.

    If we scan papers, the line does not appear on the PDF electronically transmitted.

    Please let me know if you need any more information. Thanks and Happy New Year!

  6. #6
    Master Of The Obvious 10,000+ Posts
    Horizontal Blank line - Drum issue?

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    Re: Horizontal Blank line - Drum issue?

    Quote Originally Posted by Kendjr View Post
    it is a printer/scanner/copier
    The blank line is always in the front-back direction. The paper comes out with the long side, or the 11" side first.
    In other words, on prints/copies the line will be from left to right in portrait mode, (11" side to 11" side). There is one large shaded line, but also to other lines as you can see in the image attached.
    If we manually feed the printer, and have the paper fed with the short side (8.5") first, the line will appear from the top to the bottom of the paper, or from the 8.5" side to the other 8.5" side.

    If we scan papers, the line does not appear on the PDF electronically transmitted.

    Please let me know if you need any more information. Thanks and Happy New Year!
    Since the void does not appear in PDF scans, you have ruled out the scanner as the cause.

    The reason that the word horizontal is unclear, is because it's possible to feed the copy paper LTR or LTR-R direction. Additionally, I would have no way of knowing if the original image is laid out portrait or landscape. So there are four possible orientations. That is why it helps to use the proper terms feed/crossfeed for the copy paper, or main scan/sub-scan for the original feed.

    You've contradicted yourself, but of the three descriptions I'll go with the one that you've stated twice.
    Front-back indicates the crossfeed direction, or across the feed direction. And I think you are mistaken.
    Feed direction indicates a line in the direction that the copy paper feeds, and is consistent with the latter two descriptions.

    Voids in the feed direction are caused by three main problems:
    1) Exposure: A dirty laser slit glass will cause voids in the feed direction.
    2) Developing: An obstruction under the S-blade in the developing unit will cause voids in the feed direction.
    3) Transfer: A damaged transfer roller won't transfer toner in a band in the feed direction, leaving a void.

    =^..^=
    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.
    5) You are the person onsite. Only you can make observations.

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

  7. #7
    Service Manager 1,000+ Posts
    Horizontal Blank line - Drum issue?


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    Re: Horizontal Blank line - Drum issue?

    I like to go with Front to Back= front of copier to back of copier and
    Lead to trail= lead edge of paper coming out of machine to trail edge of paper

    It does sound like he means lead to trail, so the possible causes Blackcat listed are the places that should be checked.
    Dig into it a little bit and you should be able to see whats going on, unless your not a tech. If you are end user, you well probably need a tech to check it out.

  8. #8
    RTFM!! 5,000+ Posts allan's Avatar
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    Re: Horizontal Blank line - Drum issue?

    Mybad did not focus. Yea mono component.

  9. #9
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    Re: Horizontal Blank line - Drum issue?

    Quote Originally Posted by anothertech View Post
    I like to go with Front to Back= front of copier to back of copier and
    Lead to trail= lead edge of paper coming out of machine to trail edge of paper

    It does sound like he means lead to trail, so the possible causes Blackcat listed are the places that should be checked.
    Dig into it a little bit and you should be able to see whats going on, unless your not a tech. If you are end user, you well probably need a tech to check it out.
    Thanks to everyone, it's greatly appreciated.

    It is lead to trail. I am not a tech, and I was hoping it was something simple, which it does not sound like like it is.

    I will call Canon, and hopefully they can send someone.

    Thanks again!

  10. #10
    Service Manager 5,000+ Posts
    Horizontal Blank line - Drum issue?

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    Re: Horizontal Blank line - Drum issue?

    Thin black lines on most printers is caused by the drum.

    We could recomend a local company to look at the machine for you, rather than call out Canon direct, where are you based?
    Let us eat, drink, and be merry, because tomorrow we may die!

    For all your firmware & service manual needs please visit us at:

    www.copierfirmware.co.uk - www.printerfirmware.co.uk




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