What might cause just the black to be printing light on an Imagepress C1? I have some spare process units which I have swapped out, but they have no change in the lightness.
I had some heavy solids and there were some lines that were caused by the toner not distributing evenly in the process unit roller, perhaps something got caught. I was able to eliminate the lines, but now the black is printing light.
It happened right after I swapped out the process units. I changed 2 of the other colors (cyan and yellow), and they print fine. Just the black is light.
Just wondering what some potential causes might be so I can narrow down the cause.
Thank You.
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