MINOLTA-QMS magicolor 6100 Series Service Manual page 91

Component
FLS Switches On or Off power to the Fuser Lamp.
TFU1/TFU2 Shuts down the power when devices reach abnormally high temperatures.
(Thermal fuse)
TH Detects surface temperature of Fuser Roller.
(Thermistor)
RY Shuts down power to circuits RY-1 and RY-2 when the fuser reaches an abnormally
(Relay) high temperature.
GA/CPU Processes the temperature signal (microcomputer).
CM1 Used as a sensor circuit for temperature signal (for ACOFF signal).
CM2 Used as a sensor circuit for temperature signal (for HON signal).
CM3 Used as a sensor circuit for temperature signal (for processing).
Q Used as a sensor circuit for shut-down by the thermistor (for THERR signal).
HR Heats the roller.
BR Heats the back-up roller.
magicolor 6100 Series Service Manual
4.6.2.3 Control of Fusing Temperature
Each roller in the fuser is controlled to maintain an appropriate tempera-
ture so that the toner will be melted on the paper.
4.6.2.3.1 Basic Structure of Temperature Control
(see Fig. 4-35)
Function
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