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Hey everyone,
New to the thread. I work for a church and we recently purchased a secondhand Riso RP 3790. Looks like the machine has been taken care of very well and all moving parts seem to be working but the thing I've been having trouble with is the copy coverage, or quality. When I create a new master it takes at least 40 prints before the copies look semi decent. Everything comes out like there's not enough ink in it. I have 6 drums and every drum that I've tried so far has given me the same results. Also the ink doesn't seem to be drying. I let it dry for a few days sometimes and it still seems to smear when I pick up a stack of sheets on on my fingers. This smearing is even happening on copies that aren't getting the correct density. I have no clue about anything on this machine besides how to load it, how to empty the trash bin, and how to make a master. I found some information in the manual on "Inking the drum" and I tried this several times but it didn't help at all. Let me know what anyone thinks. The people we bought it from said it sat for 6-8 months, they thought maybe the ink was too old but I pulled the black ink tube out and looked and the date said 13/10 which I'm guessing is October of 2013. If that's correct I don't think this problem should be happening. Also its consistently bad with every color that I've tried. I'm going on 500 copies with the blue and still with every new master the first 30 copies are un-useable the rest I can make do with. I attached pictures of the prints I've tried to make. The one with barely any ink on it was the first copy from new master. The other picture was the 70th copy that It printed. It looks good in the picture but if you zoom in on the bolded text at the top you can see the ink is splotchy and not covering well still. And the clipart should be bolder
Thanks in advance for the replies!
Hey everyone,
New to the thread. I work for a church and we recently purchased a secondhand Riso RP 3790. Looks like the machine has been taken care of very well and all moving parts seem to be working but the thing I've been having trouble with is the copy coverage, or quality. When I create a new master it takes at least 40 prints before the copies look semi decent. Everything comes out like there's not enough ink in it. I have 6 drums and every drum that I've tried so far has given me the same results. Also the ink doesn't seem to be drying. I let it dry for a few days sometimes and it still seems to smear when I pick up a stack of sheets on on my fingers. This smearing is even happening on copies that aren't getting the correct density. I have no clue about anything on this machine besides how to load it, how to empty the trash bin, and how to make a master. I found some information in the manual on "Inking the drum" and I tried this several times but it didn't help at all. Let me know what anyone thinks. The people we bought it from said it sat for 6-8 months, they thought maybe the ink was too old but I pulled the black ink tube out and looked and the date said 13/10 which I'm guessing is October of 2013. If that's correct I don't think this problem should be happening. Also its consistently bad with every color that I've tried. I'm going on 500 copies with the blue and still with every new master the first 30 copies are un-useable the rest I can make do with. I attached pictures of the prints I've tried to make. The one with barely any ink on it was the first copy from new master. The other picture was the 70th copy that It printed. It looks good in the picture but if you zoom in on the bolded text at the top you can see the ink is splotchy and not covering well still. And the clipart should be bolder
Thanks in advance for the replies!
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