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CPU
1) Thermistor broken wire detection
2) Maximum temperature detection
3) Broken wire detection after the fixing unit is ready
Safety circuit
Detects "upper heater abnormal high temperature" by monitoring the FIXING
ROLLER TEMPERATURE SENSE signal (FSRTH)
Thermo switch
Detects surface temperature of the upper fixing rollers (OFF when 200 C or
more)
LBP-3260 Training Support Manual
copyrights Canon Europa n.v. TSS Division 01-1999
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