Error 2 Bizhub pro 1200

[michael@fotcop]

When behest adjust Automatic Drum Potential error2 appears.
Remarks: Drum, and developer new and unique.

[Zackuth]

You can try cleaning the toner control sensor by the drum. Use only alcohol and a soft cloth or q-tip. If you vacuumed the sensor or any where near the sensor you'll have to replace it.