work centre 7120 error codes 092-315 ATC K fail

[copytech200X]

Anyone encounter this error codes for above model?

[rapidocument]

Black toner very low

[adriansto]

Anyone encounter this error codes for above model?

- plastic seal not removed from toner cartdrige
- failed black drum unit
- dirty drum gears
- black dev. drive clutch slipping.

[vodo]

Anyone encounter this error codes for above model?

Your Black auger assembly needs to replace. The white tab at its end, broken or felt off which gave machine error.