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  1. #1
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    ImageRunner C3480i Black Horizontal Lines

    Hi guys,

    My ImageRunner C3480i has been working great, until a couple of months ago when these black horizontal lines (in portrait) appeared all of a sudden. I checked different rollers and didn't find any scratches that matched the pattern. There is a pressure roller that has black lines that match the ones on the printed paper. I cleaned the foam pressure roller with alcohol but the lines on the roller came back immediately after running a few pages through it. The lines on the page are never affected by anything.

    I am the end user but I have always worked on my own machines for several years, so I don't mind tearing it down. (tightwad) I haven't been able to find a service manual for this one, I don't have much info to go on. I've Googled and YouTubed it till I'm sick of both.

    Where would the best likelihood be for the culprit of these lines?

    optimized.jpgoptimized-2.jpg

  2. #2
    Service Manager 2,500+ Posts
    ImageRunner C3480i Black Horizontal Lines

    Phil B.'s Avatar
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    Re: ImageRunner C3480i Black Horizontal Lines

    Quote Originally Posted by StripedApe View Post
    Hi guys,

    My ImageRunner C3480i has been working great, until a couple of months ago when these black horizontal lines (in portrait) appeared all of a sudden. I checked different rollers and didn't find any scratches that matched the pattern. There is a pressure roller that has black lines that match the ones on the printed paper. I cleaned the foam pressure roller with alcohol but the lines on the roller came back immediately after running a few pages through it. The lines on the page are never affected by anything.

    I am the end user but I have always worked on my own machines for several years, so I don't mind tearing it down. (tightwad) I haven't been able to find a service manual for this one, I don't have much info to go on. I've Googled and YouTubed it till I'm sick of both.

    Where would the best likelihood be for the culprit of these lines?

    optimized.jpgoptimized-2.jpg
    reread your post... " i cleaned XXX it went away .. but came back."

    foam " pressure roller" fuser pressure rollers are coated with a rubber coating..

    WHERE is the roller you cleaned?

    *** hint *** NEVER clean a SOFT foam roller with ANYTHING but a lint free soft CLOTH...DRY!

  3. #3
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    Re: ImageRunner C3480i Black Horizontal Lines

    Quote Originally Posted by Phil B. View Post
    reread your post... " i cleaned XXX it went away .. but came back."

    foam " pressure roller" fuser pressure rollers are coated with a rubber coating..

    WHERE is the roller you cleaned?

    *** hint *** NEVER clean a SOFT foam roller with ANYTHING but a lint free soft CLOTH...DRY!

    Thanks for the quick reply. The roller I cleaned is located inside the right hand door toward the bottom. Here are 2 more images. They may show its location better. This roller doesn't really have a rubber coating. It's soft foam rubber. I'm sorry, I don't have a service manual, so I'm not using the right words.

    door-opt.jpg

    side-door-opt.jpg

  4. #4
    Service Manager 2,500+ Posts
    ImageRunner C3480i Black Horizontal Lines

    Phil B.'s Avatar
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    Re: ImageRunner C3480i Black Horizontal Lines

    Quote Originally Posted by StripedApe View Post
    Thanks for the quick reply. The roller I cleaned is located inside the right hand door toward the bottom. Here are 2 more images. They may show its location better. This roller doesn't really have a rubber coating. It's soft foam rubber. I'm sorry, I don't have a service manual, so I'm not using the right words.

    door-opt.jpg

    side-door-opt.jpg
    That is the 2nd transfer roller. Bad move cleanung that with IPA...

    Ok.. pull drums.. more likey the K drum or ITB are the culprits..but you need a 2nd Trans roller also.
    Start a print/ copy job you had probs with..
    When you hear paper pickup..open a door. (This will cause a jam so CAREFULLY remove paper.
    Pull drums and belt.. look for a mark/smudge like you describe..
    Is it on drum? Replace..
    Just on belt? Replace cleaning blade in ITB.

    You might want to be sure to cover drums with paper after removal.. light can damage a PCU

    Sent from my SM-G960U using Tapatalk

  5. #5
    Service Manager 2,500+ Posts
    ImageRunner C3480i Black Horizontal Lines

    copier tech's Avatar
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    Re: ImageRunner C3480i Black Horizontal Lines

    Quote Originally Posted by StripedApe View Post
    Hi guys,

    My ImageRunner C3480i has been working great, until a couple of months ago when these black horizontal lines (in portrait) appeared all of a sudden. I checked different rollers and didn't find any scratches that matched the pattern. There is a pressure roller that has black lines that match the ones on the printed paper. I cleaned the foam pressure roller with alcohol but the lines on the roller came back immediately after running a few pages through it. The lines on the page are never affected by anything.

    I am the end user but I have always worked on my own machines for several years, so I don't mind tearing it down. (tightwad) I haven't been able to find a service manual for this one, I don't have much info to go on. I've Googled and YouTubed it till I'm sick of both.

    Where would the best likelihood be for the culprit of these lines?

    optimized.jpgoptimized-2.jpg
    You need to replace the black drum. Order part number 0456B003AA

    The roller you cleaned was the transfer roller, the lines visible on this were "transferred" from the worn out drum. (hence the name transfer roller!)

    If you are a REALLY big tightwad you can swap the yellow OPC with the black you will then have yellow lines but not black this is OK if you dont print a lot of colour.
    Let us eat, drink, and be merry, because tomorrow we may die!

    www.copierfirmware.co.uk

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