The printer is constantly saying 543 Toner Sensor Error check toner,
I have replaced the toner x 2, and checked that the sensor is clear and clean.
I can print to the printer occasionally but only in colour no black
Has anyone got any ideas?
OK, this might only apply to HP's but I think you should only replace the toners with the power off, otherwise said sensor blows Don't know about OKI's but I suspect they are built better than HP's to cope with that
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