Question about Riso RZ220 Duplicator

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Riso V800 Running 20lb paper 8.5 x 11 runs great and at 11 X 8.5. When I go to 10 x 14 I keep getting paper jam but its not it runs about 5-10 sheets and shuts off. But if I run 10 x 14 with print on the sheet, it will run all day until it comes to a blank sheet of paper and it says paper jam. If I try to run 11 x 17 its worse yet as it will run 1-2 sheets and then say paper jam. "SOS!!" I dont know why it runs with ink on the paper but wont run a clean sheet, and why the longer the sheet the worse it gets. Thanks! Scott

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Riso's are famous for this, i will scrub the rubber timing roll with rubber rejuvenator and clean the steel roll with alcohol.The riso paper feed clutches are weak compared to what they were in this series you may have to replace the clutch. Bud, after doing some research you need to clean the oneway bearings on the pickup and feed rolls, adjust feed table hieght and lastly check/adjust timing in drive and feed roller-you will need a manual for this.


Hope this may help;


Regards,
VOTIT

Posted on Jul 26, 2008

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How do I print two 8 1/2x11 sheets of paper on a 11x17 sheet on the riso 220? It keeps cutting my originals off.


RZ 220s have a smaller print area on the drum. I think around 9x14. Although the 220s can take 11x17 paper they cannot print over the entire area. (This is why I personally went with a RZ390. It has the 11x17 print area) Sorry, you're out of luck pal.

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I have a Riso RP3700 that we have been running NCR paper on. But the pass few months I have been getting jams after a few runs of the NCR it is always the pink copy that get jam on the drum. Can someone...


All you have to do is to ensure the image is pushed down the page. Either on your graphics software or on the RP3700 itself and by using the image offset function. Try 2mm at first.
If the image is too close to the margin the paper has trouble releasing from the drum as the ink makes it stick to drum. The little hook cant then get under the paper hence jam.
I am confident this will work.

Feb 21, 2011 | Riso Printers & Copiers

1 Answer

No matter what i do the paper keeps getting jammed before it comes out... It looks like it's getting hang up on something by the front rollers... This is really making me very mad this morning....


Hi,
I understand your frustration. Try this solution.

* Push down the purple paper lever located on the right side of the multi-purpose sheet feeder and pull the jammed paper upward and out of the feeder.
* Open the scanner cover by pulling the lever located below the control panel, toward you and lifting the cover. Make sure the cover is completely open. Check to see if any paper is left in the paper path.
*
Close the scanner cover.
*
Remove the paper in the multi-purpose sheet feeder. Adjust the guides in the sheet feeder to the position for the paper size you are using. Fan the paper well, push down the paper lever. Load the paper with the lever down. Make sure the print side is toward the fax machine and the paper level is stacked below the paper mark. The feeder can hold up to 200 sheets of paper (20lb paper) or up to 10 envelopes.
* Turn the power back on.

I hope this helps you.

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1 Answer

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We lease the copier and have a maintenance contract. We call for a technician to come out and fix the problem. I was trying to find out if there was something preventive that we could do to avoid the misfeeds. For instance, maybe a particular type of paper (brand) is recommended. We use different brands but all are 20lb bond (some recycled, some not). We attempt to keep the paper from absorbing humidity, keeping it in its wrapper until use. Often I think it is that the sensors in the copier get "dusty" and then don't function properly. The user cannot get to these sensors -- that takes a technician.

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1 Answer

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Blow out with compressed air (available at office max walmart etc.

Make sure there are no small pieces of paper stuck anywhere in machine

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Just fixed my printer issue, had the same problem, Would load 1 sheet, then jam, sometimes it won't pull the paper out of the tray, sometimes it would pull the paper to the toner area, but never into the toner, opening and slamming the paper tray while it attempted to load would usually work, but who wants to slam the tray 50 times? I was using Walgreens generic paper, 20lb, took some higher-quality 24lb HP paper and VOILA! It works every time! EVERYONE WHO IS HAVING THIS PROBLEM, CHECK THAT YOU ARE USING 24LB PAPER!!! Brother says 20-24 is acceptible, but sneaking one sheet of 20lb paper about 15 sheets down in a 20 sheet print job and it will stop at it every time, You can feel the difference, less like toilet paper and more like real paper.

24 LB PAPER! USE IT NOW AND THANK ME LATER!

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