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  1. #1
    Senior Tech 250+ Posts Geo's Avatar
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    *&%&%& 3050ci with skewed image.. HELP

    Hi Folks...
    Hope I can get some help/ ideas for my problem
    Have a 3050ci that gives skewed output on all cassettes and bypass , most noticeable on 11 by 17. Lead edge is OK ,trailing edge and sides are off. U034 test pattern confirms skewing. The skewing is consistent. Not 100% sure ,but the image on the transfer belt seems skewed.
    I have tried the following without success.
    U051
    Reg Roller
    Holder middle pulley with modification and new springs
    k-Laser unit
    Entire paper conveying unit
    Transfer belt.
    entire laser assy.
    Tried adjusting(left side of copier) laser assy without any change.
    Removed, cleaned and re-seated all dv and drum units.
    Adj color reg manually and auto...AND flashed firmware
    At this point I have run out of things to try and the customer is PISSED....ANY help,ideas or suggestions would be much appreciated
    THANKS.


  2. #2
    Master Of The Obvious 10,000+ Posts
    *&%&%&  3050ci with skewed image.. HELP

    blackcat4866's Avatar
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    Re: *&%&%& 3050ci with skewed image.. HELP

    I've seen this issue on several occasions. To re-iterate, the leading edge is perfectly square, and the image warps to the front or back. My samples were 10mm off square at the trail edge of ledger.

    On Kyocera Falcon II: Enduser slamming the door causes broken interlock cover. The broken pieces fall down into the pre-registration mylar.

    On Kyocera VoyagerE: Uneven fixing pressure.

    On Kyocera Saturn: Labels fed from tray #1, left throughout the machine, especially on the registration roller.

    On KM bizhub C360: Transfer assembly is unlatched at the rear.

    On KM bizhub C452: Heavy toner buildup on fuser inlet guides.

    On KM bizhub C454e: Labels adhered to the inner registration roller rear.

    On e Studio 452: Inadequate loop setting for tray #2 and #3.

    On e Studio 352, 2500C, 3540C: Broken rack gear on tray #1 rear paper guide.

    On Sharp AR-M160: Paper cuts appear in the paper tray guides.

    =^..^=

    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.


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

  3. #3
    Senior Tech 250+ Posts Geo's Avatar
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    Re: *&%&%& 3050ci with skewed image.. HELP

    Hi Blackcat

    Thanks for the tips, good stuff, unfortunately the entire paper path has been checked by multiple people.
    The box has 98K Color and 15K Black. Tech support is giving me the skew is within spec excuse. For the customer it's unacceptable and I have looked at other copiers and they are perfectly squared. We have spent 30+ hours banging our heads on this.....VERY frustrating.


  4. #4
    Senior Tech 100+ Posts
    *&%&%&  3050ci with skewed image.. HELP

    copydocinc's Avatar
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    Re: *&%&%& 3050ci with skewed image.. HELP

    Just throwing this out there.
    How about the door? Maybe front or rear latch is loose or where the door hinges could be screwy.
    This would of course end up effecting the pressure on a number of conveyance rollers.


  5. #5
    Senior Tech 250+ Posts
    *&%&%&  3050ci with skewed image.. HELP

    Ctl-Alt-Del's Avatar
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    Re: *&%&%& 3050ci with skewed image.. HELP

    How much skew do you have at the trail edge of the 11x17?
    Is it off by the same amount on both corners at the trail edge
    Any blur on the image at the trail edge when compared to the lead edge?


  6. #6
    Master Of The Obvious 10,000+ Posts
    *&%&%&  3050ci with skewed image.. HELP

    blackcat4866's Avatar
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    Re: *&%&%& 3050ci with skewed image.. HELP

    I looked at a KM-3551 recently that was 1.5mm skewed down the length of ledger. Technically that is just within specs. On the Alphards you'll find a skew adjustment in the paper tray. You loosen 4 screws in the cassette base, then use a cam to rotate the entire guide/rack gear assembly slightly, then tighten the screws. Using this adjustment, I was able to correct it down to 0.5mm. Not as good as I wanted, but satisfactory for the customer. =^..^=

    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.


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

  7. #7
    Senior Tech 250+ Posts Geo's Avatar
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    Re: *&%&%& 3050ci with skewed image.. HELP

    Quote Originally Posted by copydocinc View Post
    Just throwing this out there.
    How about the door? Maybe front or rear latch is loose or where the door hinges could be screwy.
    This would of course end up effecting the pressure on a number of conveyance rollers.
    Hi
    I actually replaced the entire door assy with a known good one. No change and I even tried different springs for the front and rear idle rollers.

    Thanks


  8. #8
    Senior Tech 250+ Posts Geo's Avatar
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    Re: *&%&%& 3050ci with skewed image.. HELP

    Quote Originally Posted by Ctl-Alt-Del View Post
    How much skew do you have at the trail edge of the 11x17?
    Is it off by the same amount on both corners at the trail edge
    Any blur on the image at the trail edge when compared to the lead edge?
    The lead edge is spot on, the trail edge if off by 1.5 mm and the entire image shifted to one side by about the same amount. No blurs.

    Thanks


  9. #9
    Senior Tech 250+ Posts Geo's Avatar
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    Re: *&%&%& 3050ci with skewed image.. HELP

    Quote Originally Posted by blackcat4866 View Post
    I looked at a KM-3551 recently that was 1.5mm skewed down the length of ledger. Technically that is just within specs. On the Alphards you'll find a skew adjustment in the paper tray. You loosen 4 screws in the cassette base, then use a cam to rotate the entire guide/rack gear assembly slightly, then tighten the screws. Using this adjustment, I was able to correct it down to 0.5mm. Not as good as I wanted, but satisfactory for the customer. =^..^=
    Hi
    Tried adjusting the paper trays. No change and the image skew is consistent from all the trays and MPF. Yes "technically" the image is within specs.....However ,the customer is printing full color edge to edge posters(20-24lb paper) and the skew is very obvious, furthermore the customer insists that the skew is recent.

    Thanks


  10. #10
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    Re: *&%&%& 3050ci with skewed image.. HELP

    Quote Originally Posted by Geo View Post
    Hi
    Tried adjusting the paper trays. No change and the image skew is consistent from all the trays and MPF. Yes "technically" the image is within specs.....However ,the customer is printing full color edge to edge posters(20-24lb paper) and the skew is very obvious, furthermore the customer insists that the skew is recent.

    Thanks
    if the image is skewed on the transfer belt then you can discount paper feed. if internal prints are skewed then discount optics which leaves engine more than likely laser, maybe not seated correctly or an adjustment on the Lsu itself. if the paper feed is proven then maybe once the paper has the first inch or so of the image which would make the lead edge not skewed then maybe something on the fuser or exit kicking the paper to one side? but it all comes back to why is the image skewed on the transfer belt? good luck please post back with fix.


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