04-27-2016 01:19 PM - edited 04-27-2016 01:40 PM
Our Canon MF 5950 dw is making a humming sound when printing, like a repetitive or oscillating hum. I did not know if there was a fix anyone had. I called customer service. They recomended I change the cartridge. I did. But it still has the repetitive sound. I have used this machine for over 3 years and it has been a workhorse, but this does not sound good.
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