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Type: Posts; User: admgreen

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    GR3770 Funky Master / Prints

    I recently dug up a few old color drums and gave them a try on my GR3770. The results were pretty funky. The print is full of spots / holes. Here's a picture of the master paper and the resulting...
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    Re: GR3770 Troubles

    Thanks so much everyone. I was able to rotate the cam and get the vertical alignment pretty close to perfect. 20gague, my tires are indeed blue. Should I definitely pick up new ones? The screw on...
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    Re: GR3770 Troubles

    New problem: Looks like there's a bit of a problem with the paper feed. Multiple pieces of paper are being picked up every so often, sometimes resulting in a jam. I removed the pickup roller and...
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    Re: GR3770 Troubles

    20gagueO/U, thanks for the tip! I must have missed the cam pulley when I was aligning everything initially. I released the tension on the paper feed clutch, aligned the holes on the cam pulley and...
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    GR3770 Troubles

    Hey there,

    I recently acquired a Risograph GR3770 from an office in town that was downsizing. I'm having trouble with a few things, and after digging through a good amount of posts (thanks to...
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