HP LASERJET ENTERPRISE 500 - Page 52

Fuser temperature control circuit
The temperatures of the two rollers in the fuser fluctuate according to the stage of the printing process.
The DC controller sends commands to the fuser-control circuit to adjust temperatures.
Figure 1-7 Fuser temperature control circuit
Fuser
Fuser sleeve unit
Fuser
Fuser heater safety circuit
Fuser control circuit
Fuser
Fuser heater safety
circuit
Fuser heater
control circuit
16 Chapter 1 Theory of operation ENWW