Fixing Temperature Control - Canon mf6600 Series Service Manual

2
Technical Overview > Fixing Unit System > Fixing Control Circuit > Fixing Temperature Control
Fixing Mode
Label/
1 - 34 imprints 35 imprints or
Envelope/ 17 ppm more
Envelope3 8 ppm
Heavy1/
Heavy2/
Postcard
2 Technical Overview > Fixing Unit System > Fixing Control Circuit > Fixing Temperature Control
Throughput
T-2-10 T-2-10
■

Fixing Temperature Control

The Fixing temperature control maintains the temperature of the Fixing Heater at its targeted
temperature.
Block diagram of this control is shown below.
Low-voltage power supply
Fixing control circuit
Fixing heater
+24V
control circuit
Relay
control
circuit
RL101
Fixing heater
safety circuit
2-22
Engine controller
DC controller
Frequency FREQSNS
detection circuit
FSRD
RLYD
FSRTH
Fixing film unit
H1: Fixing heater
TH1 TP1
Pressure roller TP1: Thermoswitch
TH1: Thermistor
Fixing unit
F-2-27 F-2-27
2-22