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Hi! I am having the exact same issue. I will hold off on describing because it is exactly the same as you mention in your previous messages. I'm wondering, do you have a picture of where exactly you...

Thanks so much! It was pretty easy to remove and clean. There were dried ink chunks on the inside of the screen, plus there seemed to be a little erosion on the actual metal part of the drum (the...

Hello,

I recently picked up a Riso GR drum (w) that had been sitting for a very long time. I soaked towels in kerosene and let them soak on the screen for a while to get the screen cleaned and the...

I'm still experimenting and learning different dial settings for different papers, but for 65# cover I've found that it works good if the left positioned green dial is pointed at the largest circle...

Thank you ALL for the great advice. I was able to get ahold of the previous owner of the machine and they helped me navigate those two green dials a little better. It also just took some trial and...

Hello,

I've been having pretty regular issues with paper miss feeding no matter what size/weight/texture I'm using. The manual I have indicates min and max paper weight (13 lb bond min and 110 lb...

Yes! The issue seems to be resolved. Thanks for the additional information!

Thanks so much! That makes perfect sense because the bracket the wheel is attached to looks to be bent towards the back of the machine causing it to interfere with the belt. I will bend it back and...

Hi!

I am having an issue with my GR3750 leaving an ink line down the middle of each print (see the following picture).

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After some investigation, it looks like there is a plastic red...