High-voltage power supply The high-voltage power supply applies the high-voltage biases to the following components:
● Primary charging roller ● Developing roller ● Transfer roller ● Fuser sleeve ● Pressure roller Figure 1-13 High-voltage power supply 18 Chapter 1 Theory of operation ENWW Cartridge From antenna From antenna Photosensitive drum Fuser sleeve To developing cylinder To primary charging roller Transfer roller Pressure roller KAATUBIAS FILMBIAS ANT2 ANT1 TB20 TB21 TB504 T503 TB502 TB501 TB503 Fuser Transfer Toner level detection high-voltage high-voltage circuit generation circuit generation circuit Primary charging Developing high- TNRSP2 TNRSP1 high-voltage voltage generation TRAD generation circuit circuit High-voltage power supply Power supply unit TNRSP1 DC controller To developing cylinder ANT2 TB501