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  1. #1
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    tosh 556-656 z folds

    after addressing the firmware and 0/5 4532-4534 adjustments, we still get intermittent z fold jams usually on duplex only. the folded part of the copy has no image so it is happening before the drum. we have been chasing this problem around for quite a while. can anyone shed any light on this problem? thanks........

  2. #2
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    Re: tosh 556-656 z folds

    Normally Z-fold is due to registration timing, where normally after change registration clutch problem will solve, but not sure about this model because the last giant machine I've handle is e600...

  3. #3
    Master Of The Obvious 10,000+ Posts
    tosh 556-656 z folds

    blackcat4866's Avatar
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    Re: tosh 556-656 z folds

    Take a look at the white idler pulleys on the right doors. The grease will get thick, and those rollers will get difficult to turn. Take the door apart and clean the bushings and shafts, and apply a couple drops of light oil to each bushing. =^..^=
    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 =^..^=

  4. #4
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    Re: tosh 556-656 z folds

    thanks for the response, i'll check that stuff out. any more ideas?

  5. #5
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    Re: tosh 556-656 z folds

    Hi,
    Did you ever get to the bottom of this?
    I also have one doing it?

    Thanks

    Ben

  6. #6
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    Re: tosh 556-656 z folds

    we still see this problem on occasion. make sure the duplex unit is turning freely, clean all rollers and check all idler rollers, replace 3 transport clutches on feed units if needed. replace black actuator on left side door, the lower one. even after doing all this you we still see the problem intermittently.

  7. #7
    Master Of The Obvious 10,000+ Posts
    tosh 556-656 z folds

    blackcat4866's Avatar
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    Re: tosh 556-656 z folds

    How many clicks? =^..^=
    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
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    Re: tosh 556-656 z folds

    most of our 556-656's have between 1 million and 3 million, a few at almost 4 million.

  9. #9
    Senior Tech 250+ Posts
    tosh 556-656 z folds

    arnh79's Avatar
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    Re: tosh 556-656 z folds

    Quote Originally Posted by cpjim View Post
    we still see this problem on occasion. make sure the duplex unit is turning freely, clean all rollers and check all idler rollers, replace 3 transport clutches on feed units if needed. replace black actuator on left side door, the lower one. even after doing all this you we still see the problem intermittently.
    We're fighting with the same issue. When you say black actuator what are you referring to? Thanks.
    Why does every customer think they're the first one to ever say: "you've been here so much we should get you an office, ha, ha, ha"?

  10. #10
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    Re: tosh 556-656 z folds

    Quote Originally Posted by arnh79 View Post
    We're fighting with the same issue. When you say black actuator what are you referring to? Thanks.
    open the left side door , it's the lowest black actuator you see, on the door section. i think it's called the reverse section sensor. you get to it by removing the exit door cover. the soft black plastic actuator gets a flat spot on it and causes a timing problem.

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