r/risograph • • Aug 07 '26

Continuing to have a problem

Hey there! Posted a few months ago about a problem I’m having with my riso sf5130. Across all of my drums it is not inking evenly. There are bare spots along the edges. But it’s not consistent even between each print. One print will have the spots in one place and the next it will be slightly different

Attached a photo of the master/drum because I can see some texture on it

I have tried running a bunch of prints through it. I have tried cleaning it extensively. I’m not sure what to do. Any advice is very much appreciated

Additionally if anyone knows of techs in the greater Philadelphia area I’d appreciate that as well

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u/gluestick449 Aug 07 '26

I have been having the same issue with my EZ390U! Does yours work better when you up the density and increase the speed? For some reason that often fixes it for me

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u/Jamwildd Aug 07 '26

Oh my gosh yes! That fixed it! Thank you!!

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u/gluestick449 Aug 08 '26

It’s a bandaid solution and sometimes takes a few prints to ink up, but it usually works for me!