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    [Misc] Re: Change maater roll

    The 4 light has nothing to do with needing to replace the master roll. If the 4 light is on, then the master making unit is not set, there is a jam in the master making unit or some other error. But...
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    [Misc] Re: Change maater roll

    49820
    Is the replace master roll light flashing or solid on?? If it is flashing, it's saying get ready to replace. If it's on, then replace.
    OR is some other light on that your are confused with?...
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    Re: RP3700 Paper Feed Not Working

    I agree with 20guage but also how much dry time have you allowed before running the paper through a second time. RP is know for needing some dry time, 12-24 hrs depending on coverage, the longer the...
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    Re: master making ?

    It is also possible that the black felt/foam pads in the clamp need replaced "anti wrinkle strips".

    Good luck.
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    Re: Paper Feed Problems Riso EZ591

    First how many copies on the feed tires and sep pad? How many copies on the machine?
    Here is a RISO publication on jamming.
    Good luck.
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    Re: MZ1090 power supply issue

    If you can find a RISO dealer in your area, but they will be expensive. Estimate from a dealer, $1000. BTW part number 047-50505 power supply PS22-HWW.
    Try posting in the parts forum or the wanted...
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    Re: MZ1090 power supply issue

    Sounds like a component or two on the power supply board is blown. Been there. I'm thinking your going to have to find a new board. I have not heard of anyone repairing RISO boards in a long time....
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    [Misc] Re: Riso SE9480U with pin codes

    Sorry, but 118 is not listed in the manual. It's one of those unlisted codes. A co-worker of mine found it when having the same problem on a EZ or RZ.

    Good luck.
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    [Misc] Re: Riso SE9480U with pin codes

    Test mode 118 clears user codes.

    Good luck.
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    [Electrical] Re: Riso MZ790 - Master Removal Malfunction

    Have you tried watching the action of the master removal via cheating the door switch and looking too see where and when the failure occurs?
    Good luck.
  11. Re: RISO GR drums (and an SC5500 cable) wanted

    RISO does not make a metallic gold for GR. Z & F type ink, yes. BUT you have to order a whole case, 10 tubes. Also the shelf life is only 1 year.

    Good luck.
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    Re: Riso GR3750 T6 Error Message

    Error code is pressure assembly, for the impression roller. Motor, sensor or screw drive broken? Got a service manual and parts book? Good luck.
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    Re: GR3770 & SC3000 shrinking artwork

    Is it the GR, the rip, or the file. Got to test different things to eliminate them. Does an image shrink when scanning and making a master off the glass? Do other files shrink when printed? Let us...
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    Re: GR 3770 Timing Issue - Please Help!

    Shouldn't have used the button. Looks (but I haven't been in a GR for a long time) like the timing is all off. If you got a manual, follow the directions and pictures and get the main pull and cam...
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    Re: GR3770 Disposal Error (persistent)

    OLD machine, so I'm guessing here, possible clamp solenoid not actuating like it should. Or the master removal sensor is faulty, check in test mode 28. Should change beep interval if block and...
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    Re: Disassembling a GR3770

    Suction clutch assembly and the drum if still good.
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    Re: Disassembling a GR3770

    I'm going to take a stab in the dark and guess you have the GR 3770 service manual. It only has the differences between the base GR and the GR 3770. The base GR service manual (also in separate PDF...
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    Re: Disassembling a GR3770

    Find yourself a technical manual for disassembly. But specific parts I'd say the impression roller and the guide roller assembly. The impression roller is easy, pulls out with leverage. The guide...
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    Re: Getting Round C53 Riso GR1700

    Sorry looked up wrong code. 20gauge is correct. Something with the ink tube set switch or generic ink.
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    Re: Getting Round C53 Riso GR1700

    C52: the drum set switch is not depressed/actuated.

    Since you took apart a drum without a manual you probably to the plate to actuate the drum set switch on wrong or mixed up with the position...
  21. Re: Riso Fr3950 and Fr2950 thermal print head interchangeable?

    Sorry, not compatible.
    Good luck.
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    Re: Riso RP Drum Compatibility

    There are three drum "models" that will work on your RP3105. S-3534 RP Drum Ledger "inkless", S-3373 RP Drum A4W Black, and S-3378 RP Drum A4W "inkless".
    The inkless means that came shipped from...
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    Re: Risograph GR 3750

    T1, main motor lock. The drum is still at position A after main motor has started or position A sensor doesn't detect the drum after 5 seconds after the main motor has started.
    Solution 1: Turn off...
  24. Re: Recurring jam on Riso RZ 370 - Error code : J08 - 409

    What Misterno is referring to is the black core the rubber tires go on. There was a tech publication on the core part change. New part number 021-14302-204. The style that the RZ units came with...
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    [Error Code] Re: Riso FR3950: clamp error/code T13

    First have you tried turning off, hold the reset button, turn on while continuing to hold the reset button until machine has stopped boot up?
    Second it is possible that the cutter motor has failed....
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