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  1. #1
    Senior Tech 250+ Posts
    Join Date
    Dec 2007
    Rep Power

    OKI C-5650 error 980 problem

    replaced fuser, worked for two weeks and now same error 980. I am a printer tech but never have I worked on these brands. I called support and they said there is no patch and I should take it in for service. I didnt tell her I was service. That was funny. Is there a common problem with these machines, should I clear NVRAM ? any firmware upgrades etc. ? Is it not shutting down the heater and blowing the thermal fuse etc.

  2. #2
    Field Supervisor 1,000+ Posts Eric1968's Avatar
    Join Date
    Jan 2009
    Rotterdam, Netherlands
    Rep Power

    Re: OKI C-5650 error 980 problem

    If you replaced the Fusing Unit with a new one and it didn't work, next step is to replace the Power Supply. NEVER do a NVRAM Clear on these machines! I've seen people do this. You'll end up with replacing the Controller Board and Engine Board.

  3. #3
    Service Manager 10,000+ Posts
    OKI C-5650 error 980 problem

    JustManuals's Avatar
    Join Date
    Jan 2006
    Las Vegas, NV
    Rep Power

    Lightbulb Re: OKI C-5650 error 980 problem

    This Parts & Service Manual can now be purchased for $12.77 and downloaded immediately after payment from

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