Question about HP DesignJet 120nr InkJet Printer
Intermintedly the motor or fan sends out noise that sounds like something is vibrating & humming very loud. Other times it's as quiet as it should be. Is there more than 1 fan & is that what's making the racket because the bearing are going out/
The fan is probably filled with dust. This can throw the balance off and make vibrations or cause resistance which can make a humm, not necessarily a bearing, not sure if the fan even has bearings. Anyway, the intermittent noise can be that the fans only run when the printer is hot. Find where the noise is coming from clean off the blades and components with a damp rag, blow around or lubricate the center of the fan, and replace it in the printer. Should fix it.
Posted on Dec 10, 2008
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Posted on Jan 02, 2017
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