Fuser (fixing) 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 5-7  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
128 Chapter 5   Theory of operation ENWW