My Canon Imageclass MF 4890 dw keeps smudging paper even after cleaning fixing unit. The smudges are every 2 inches. I cleaned the fixing unit twice and it doesn't help.
Since the issue persists after cleaning the fixing unit, we will have to recommend contacting us at 1-800-OK-CANON (1-800-652-2666) for further assistance. We understand that the forum may be your preferred method of communication; however, speaking with our telephone technical support group will be very beneficial in this case.
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