HP LaserJet Pro M201n - Page 37

High-voltage power supply
The high-voltage power supply (HVPS) applies biases to the following components:
●
Primary charging roller
●
Developing roller
●
Transfer roller
Figure 1-12 High-voltage power supply
Primary
charging bias
circuit
Developing
bias circuit
Transfer bias
circuit
Engine controller
To primary charging roller
To developing roller
Photosensitive drum
Transfer roller
High-voltage power supply
DC controller
Cartridge
ENWW Engine-control system 21