HP LaserJet Pro M706 - Page 27

Figure 1-6 Fuser control system
MFSRTH
S1FSRTH
S2FSRTH
S3FSRTH
FSRD2
FSRCUR
RL102
FSRD1
RLD
ZEROX
RL101
H1/H2
TH3
FU1
TH2
TH4
TH1
AC input
DC controller
Fuser control circuit
Pressure roller
Fuser film ass’y
Zerocross
circuit
Fuser heater
control circuit
Current
detection
circuit
Fuser heater safety circuit
Relay drive circuit
Fuser
Low-voltage power supply
High-voltage power supply
ENWW Engine control system 11