DEVELOPING UNIT hp Color 9850mfp 4.
DEVELOPING UNIT 4.1 Composition DRIVE CLOCK CW LOCK H/L M20 DRIVE CLOCK CW LOCK H/L DRIVE CLOCK CW LOCK H/L II UNIT EXPLANATION M21 M22 M23 DRIVE CLOCK CW LOCK H/L [12][13][14][15] [16] HV1 [10] [9] [8] [11] [17] [1] [2] [3] [7] [6] [5] [4] PRCB 2-26 Symbol Name Function or method [1] Conveyance screw Conveyance of developer from the agitator screw to the devel- oping sleeve Screw method [2] Collection screw Conveyance of developer from the scraper magnet roller to the collection sector Screw method [3] Agitator screw Agitation of developer and the conveyance of developer to the conveyance screw Screw method [4] Toner density sensor Y (TDS Y) Detection of toner density in the developing unit Y L detection method [5] Toner density sensor M (TDS M) Detection of toner density in the developing unit M L detection method [6] Toner density sensor C (TDS C) Detection of toner density in the developing unit C L detection method [7] Toner density sensor K (TDS K) Detection of toner density in the developing unit K L detection method [8] Developing unit Y Adhesion of yellow toner to the image transferred on the drum Y