CLC 1150

[Bond]

I have just removed and cleaned drum unitof 1150.for attempting to remove some lines on prints. After reinstalling the cd units Errror code comes saying toner /dev concentration low likeCODE E020 SUB CODE- 0440 . PLS HELP IN RESEETTING THE ERROR CODES , EVEN CHANGED SENSORS FROM SIMILAR MODELS. MY ID espnrock@sify.com

[Digitalcopierresources]

Need to run the developer calibrations