Canon iR2422 series Service Manual page 250

Chapter 12
<Printer Unit>
12-6
SR406
SR403
SR402
SR401
CIS1
Symbol Name
Fixing film speed sensor
SR101
Fixing delivery sensor
SR202
No.1 delivery sensor
SR203
Cassette 1 paper sensor
SR204
Waste toner full detection sensor
SR206
No.1 paper full sensor
SR207
Manual paper sensor
SR208
Registration sensor
SR209
TH1 Fixing main thermistor
TH2 Fixing sub thermistor
TP1 Thermo switch
SR207
SR203
TH1, TH2, TP1
SR208
SR209
SR407 SR408
SR404
F-12-5
Function
Detects the fixing film speed.
Detects fixing delivery.
Detects delivery.
Detects presence/absence of cassette 1 paper.
Detects the waste toner full status.
Detects the No.1 paper full status.
Detects presence/absence of manually fed paper.
Detects registration paper.
Detects the fixing heater temperature.
Detects the fixing heater temperature.
Cuts off the heater power supply line when an
abnormal temperature is detected.
SR204
SR202 SR206
F-12-6
SR405
SR101