Hi there guys. I'm getting some bad prints from the c454. I thinking could be yellow developer unit but I'm not sure please take a look.
I've changed yellow drums. I've ran the printer without yellow toner so it would ask then out in a new yellow toner. I've added black developer powder and yellow
All the developer units are over 70 percent but the yellow which is under 10 percent. So I'm wondering if it needs changing. Would really lioe to know thanks
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