Question about Riso RZ220 Duplicator

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Line There is a line going down the middle of all my prints... I don't know what it is or how to get rid of it (I am new to risograph machines and just bought this one second hand)

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Same problem on Mine, only that mine is not in the middle. It is towards the margin and I only notice it on A3 prints. I suspect a TPH problem coz the line is also burnt on the master though the copy glass and scanner are very clean. Someone help us on this problem.

Posted on Mar 24, 2014

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Posted on Jan 02, 2017

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