Dot diameter adjustment control /K resulted in an abnormality.
Haven't had that one. You can turn off gamma setup image control to avoid. Says something about drum potential sensors and they are pretty unreliable.
27-04 Output of toner density sensor / K (TDS K) cannot be controlled.
If someone has removed the lid of the developer tank then you will get this fault and possibly the 29-22. I would be looking at replacing the developer tank If I were you.
Linear Mode
