Question about OKI C5150n Led Printer

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Toner problems The message says Check Toner Cartridge and then 541: M Toner Sensor Error. What does this mean because the printer won't print no matter what we do to it. We get this same message every time.

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  • Anonymous Apr 02, 2009

    540: Y toner sensor error. Will not print. Just got new toner cartridge and now it will not print.

  • Anonymous Mar 25, 2014

    error message 541:M toner sensor error. this has been checked and it's not the sensors.



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I've had this problem several time. Usually I fix it with a q-tip!

Open the top of the printer and locate the correct toner cartridge. Pull the (blue) lever on the right side of the cartridge toward you to disengage it from the drum. Gently life the toner cartridge out of the printer.

On the right end (the end with the blue lever) there's a small slot. You should see some white plastic in there. Use the qtip to clean off any dirt or toner.

Now replace your toner cartridge and slide the blue lever back to the original position. Close the top.

This USUALLY fixes the problem. (I must stress "usually" because I'm having the problem right now and this procedure won't fix it, but I've fixed it with this method a dozen times before.)

Posted on Oct 24, 2008


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