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  1. #1
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    Kon.Minolta Bizhub C280

    I HAVE A BIZHUB C280 that has an ongoing problem I feed A3 from the second cassette and every so often the paper turns over at the lead edge rear corner about 2 inch fold when it happens you can hear a paper crinkling noise and the paper does exit the machine it doesnt jam. This doesnt happen on A4 out of the top cassette.I have fitted the reg guide mod for turning corners over and the plastic guide and mylar have been changed in the paper transport section just after pick up.The paper seems to get beyond the reg area before the crinkling noise is heard seems to be in the area between reg and fuser entrance.
    Any help appreciated

  2. #2
    Step aside, noob 1,000+ Posts EarthKmTech's Avatar
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    Re: Kon.Minolta Bizhub C280

    I know you say its after registration, but I've seen lots of these machines fold the corner of papers over at paper pickup because the paper stack does not sit level. Look in the side of the machine and see if the stack is lower at the rear when in the lifted state, if so "reforming" of the metal lift plate usually fixes this.

  3. #3
    Service Manager 5,000+ Posts
    Kon.Minolta Bizhub  C280


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    Lightbulb Re: Kon.Minolta Bizhub C280

    This Parts & Service Manual can now be purchased for $12.77 and downloaded immediately after payment from:


    Just Manuals, The Internet's largest selection of manuals ~ Instant Downloads


    Paul@justmanuals.com

  4. #4
    Master Of The Obvious 10,000+ Posts
    Kon.Minolta Bizhub  C280

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    Re: Kon.Minolta Bizhub C280

    I've had this same flipped corners only from tray #3. Same leading edge rear, flipped back before imaging. No jams resulting.

    I found two verifiable causes.
    1) The transfer assembly came unsnapped at the rear.
    2) A few weeks later I had a verifiable moist paper problem. 10 of 100 flipped on the problem paper. 0 of 500 flipped on new fresh paper.

    =^..^=
    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
    Field Supervisor 1,000+ Posts RRodgers's Avatar
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    Re: Kon.Minolta Bizhub C280

    Quote Originally Posted by EarthKmTech View Post
    I know you say its after registration, but I've seen lots of these machines fold the corner of papers over at paper pickup because the paper stack does not sit level. Look in the side of the machine and see if the stack is lower at the rear when in the lifted state, if so "reforming" of the metal lift plate usually fixes this.
    Yeah, I'm really starting to like this guy!!
    Color is not 4 times harder... it's 65,000 times harder. They call it "TECH MODE" for a reason. I have manual's and firmware for ya, course... you are going to have to earn it.

  6. #6
    Senior Tech 100+ Posts dallas's Avatar
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    Re: Kon.Minolta Bizhub C280

    If I understand you right, maybe this countermeasure helps.
    A piece of DF cleaning pad, insulation tape or something can be used to enlarge the space.
    Dog Ear C360.jpg

  7. #7
    Master Of The Obvious 10,000+ Posts
    Kon.Minolta Bizhub  C280

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    Re: Kon.Minolta Bizhub C280

    Quote Originally Posted by dallas View Post
    If I understand you right, maybe this countermeasure helps.
    A piece of DF cleaning pad, insulation tape or something can be used to enlarge the space.
    Dog Ear C360.jpg
    Thanks Dallas. This helped on the call-back.
    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 =^..^=

  8. #8
    Step aside, noob 1,000+ Posts EarthKmTech's Avatar
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    Re: Kon.Minolta Bizhub C280

    wow, could it really be this simple ?

    I'm going to give this a go myself next time. I have quite a number of machines doing this, from all trays.

  9. #9
    Master Of The Obvious 10,000+ Posts
    Kon.Minolta Bizhub  C280

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    Re: Kon.Minolta Bizhub C280

    From new setups, I save all those replacement control panel stickers in French, Chinese, Hebrew ... whatever. It's nice heavy plastic and really sticky, and you'll always have a lifetime supply of them. Two layers = 1mm. =^..^=
    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 =^..^=

  10. #10
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    Re: Kon.Minolta Bizhub C280

    Quote Originally Posted by tekkie View Post
    I HAVE A BIZHUB C280 that has an ongoing problem I feed A3 from the second cassette and every so often the paper turns over at the lead edge rear corner about 2 inch fold when it happens you can hear a paper crinkling noise and the paper does exit the machine it doesnt jam. This doesnt happen on A4 out of the top cassette.I have fitted the reg guide mod for turning corners over and the plastic guide and mylar have been changed in the paper transport section just after pick up.The paper seems to get beyond the reg area before the crinkling noise is heard seems to be in the area between reg and fuser entrance.
    Any help appreciated

    MF360 series visual guide for dog eared copies.pdfd-ColorMF360Series_paper folding at corner (2).pdf

    Try the attached olivetti bulletins (same as KM model) i have had this problem many times

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