You open the front cover, there you can see the plastic bag. on the side of the cover you can see the intruction regarding the removing and refixing. actually it will be in white like colour and having a black bottle cap.
And also after you taken the waste toner catridge. you can see one sensor below a pipe like that which is projecting from the drum unit , it is the waste toner path. Inside this the waste toner auger will be there. you just clean the sensor because you may also get the waste toner error by the sensor.
1. sensor below the auger after the waste toner catridge.
2. waste toner catridge outside and inside. dispouse the toner and also clean the otside part will cloth , beause some projections some holes like that will be there. i told na that sensor will be passing the signals through this waste toner catridge projection. If any toner in that projection then also the same. Be causreful while you are disposing the toner. You may intake and also your properties may be having the black coating like that.
any clarifications mail me at [email protected]