HP laserjet pro m521 making noise

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  • ldfrepairs
    Trusted Tech

    100+ Posts
    • Oct 2012
    • 147

    HP laserjet pro m521 making noise

    Load grinding sound when turned o or making copies. sounds like coming from the Fuser area. cannot find cause all gears are in good condition. any suggestion would be appreciated. Thanks
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  • theengel
    Service Manager

    1,000+ Posts
    • Nov 2011
    • 1784

    #2
    Re: HP laserjet pro m521 making noise

    It's usually the lower roller bushing that wears, which causes the gears not to mesh correctly. So start with the fuser... then the fuser drive gear set (if any exists for that machine). You won't actually be able to see the wear on them.

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