hello,today i facing this problem and I am not sure about it.first I judge it comes from aging of hot roller.then i change it.but after that its still appear.
the problem is.there are black line after the customer print more then 100 copies.it seems to be the toner not propperly fused on the paper.the fusing temperature is 195*c.the cleanning roller already changed.pressure is new.
any idea to solved this problem?
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