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  1. [Electrical] Re: Riso MZ790 - Key Card Counter Accessory Removal

    Thank you so much for your reply. I'm always cautious when fiddling/resetting these older machines without having access to a good firmware installation at hand in case things go sour, so I actually...
  2. [Electrical] Riso MZ790 - Key Card Counter Accessory Removal

    I'm trying to uninstall a Key Card Counter from an MZ790.
    After I disconnect and disengage the counter, the machine still asks for a card to be inserted.
    Does anybody know what code or setting I...
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    [Electrical] Re: Riso MZ790 - Master Removal Malfunction

    (For some reason my last post appeared twice on the thread. If you are an admin please remove the duplicate post, found right above this one, as well as this very post. Thanks.)
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    [Electrical] Re: Riso MZ790 - Master Removal Malfunction

    <font color="#333333">I looked into the drive pack and overall inspected the whole drive mechanism from the back of the machine and didn't find anything unusual.<br>
    <br>
    What did seem to help is...
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    [Electrical] Re: Riso MZ790 - Master Removal Malfunction

    I looked into the drive pack and overall inspected the whole drive mechanism from the back of the machine and didn't find anything unusual.

    What did seem to help is replacing one of the plastic...
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    [Electrical] Re: Riso MZ790 - Master Removal Malfunction

    Thanks for this info. I didn't inspect the drive pack, I'll take a look into it. I'm assuming it's properly dialed in because the machine loads masters and prints just fine, but I'll take a look and...
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    [Electrical] Re: Riso MZ790 - Master Removal Malfunction

    Thanks for chipping in ntbann - The masters are not being removed at all from the drum. They remain on the drum with the leading edge still under the master clamp plate, slightly bulged up after the...
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    [Electrical] Re: Riso MZ790 - Master Removal Malfunction

    Thank you for your reply jermyth - Yes, I did observe the master removal action on both drums by tricking the door switch open, but couldn't see any possible malfunctioning. I even shoot a slow...
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    [Electrical] Riso MZ790 - Master Removal Malfunction

    I'm seeking advice in fixing a Riso MZ790UI which has stopped removing the masters from the drums. This happens on all drums, on both positions.

    I removed and thoroughly inspected both Master...
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    [Misc] Riso MZ790 Drum Parts Needed

    I'm in need of a few replacement parts for some MZ790 drums I'm rebuilding.
    Please see list below and let me know if you have any of these for sale. I prefer OEM but I'll take the compatible kind if...
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    Triumph Ideal 3915 95 Repair Manual

    My Triumph 3915 95 paper cutter stopped working. Does anyone have the service manual? I can't find it anywhere.
    Thanks in advance.
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    Riso MZ790U Belts

    I'm in need of replacement belts for a Riso MZ790U, parts number:

    629-00004-007 - Flat Belt; 15X0.65X482 (#3 on Fig.17 SUCTION attached)
    629-00003-000 - Flat Belt; 15X0.65X303(#16 on Fig.16...
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    Re: Canon C650/700 vs Ricoh ProC901S vs ??

    That's valuable knowledge.

    Other than the marking engine, and perhaps the extra paper feeder, I won't be needing any other peripherals, so I'll consider the Canons.
    My main needs are being able...
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    Re: Canon C650/700 vs Ricoh ProC901S vs ??

    Thank you for your reply to my post.

    I wonder why the Canons are considered large office copiers and not production printers? Is it because of slower speeds? Or more maintenance needed?
    I've seen...
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    Canon C650/700 vs Ricoh ProC901S vs ??

    I'm looking into buying either a Canon C650/700 or a Ricoh ProC901S. Are there any significant pros and cons between both models? Any reason why I should favor one over the other?

    I run a small,...
  16. Re: Fiery controller for Canon ImagePress C700

    I didn't know there was so much operational information available online about these machines. As per these docs, the C700 can be effectively operated without the Fiery controller. Thank you so much...
  17. Fiery controller for Canon ImagePress C700

    I’ve found a Canon ImagePress C700 at an accesible price but it comes with no Fiery server. Can the machine be used by connecting it directly to my computer via USB/ethernet or is the Fiery server a...
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    Re: Riso MZ790 Complete Service Manual

    Thank you so much - I can see now that I was given only the revision document, not the full manual
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    Riso MZ790 Complete Service Manual

    I have acquired three different manuals from different sources for the Riso MZ790, and all three seem to be missing several chapters (Chapters 6-10, and 11-13).
    Does anybody know if these chapters...
  20. Re: Riso MZ790 Master Disposal Belt Replacement

    Thank you so much - Although partially complete, these instructions do address master disposal belt replacement

    May you happen to know how to gain access to a complete service manual? I've just...
  21. Riso MZ790 Master Disposal Belt Replacement

    Could anyone please shed some light into how to replace the master disposal belts on a Riso MZ790UI?

    I have two versions of the MZ790 technical manual (rev 0.9 and rev 0.91), and they both seem to...
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    Riso MZ790U Refresh Drum Color on PC

    No matter what color drums I'm using on my MZ790, the PC driver always shows Black & Red. How do I change this?

    I see a 'Refresh' button on the print dialogue window but it's always greyed out....
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    Re: OKI C9650 LED Head Replacement

    Thanks everyone - I was careful and didn't mess up anything when replacing the head. Printer is now working well.
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    Re: OKI C9650 LED Head Replacement

    Thank you very much - I'll go ahead then and replace the damaged head
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    OKI C9650 LED Head Replacement

    It seems like one of the LED heads on my OKI C9650 got damaged so it needs to be replaced. I have a set of LED heads from another C9650 I've been using for parts, but I've never swapped the LED head....
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