bizhub C650 keeps asking for TN-K even though the toner is full, changed the IU-K and the same thing, tried another toner and no change.
I changed the engine board and the problem persisted. I changed the NVRAM and the problem still continued. What could be the problem????
My business is losing $$ daily.
I changed the engine board and the problem persisted. I changed the NVRAM and the problem still continued. What could be the problem????
My business is losing $$ daily.
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