Canon iR4570 Series Service Manual page 737

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Table of Contents

feed cover sensor

front cover sensor

environment sensor

developing assembly toner sensor

sub hopper toner sensor

fixing main thermistor

fixing sub thermistor

drum thermistor

thermal switch

detects the feed cover state

detects the state (open/closed) of the front cover

detects the machine inside temperature

detects the toner inside the developing assembly

detects the tone inside the sub hopper

detects the temperature of the fixing heater

detects the temperature of the drum

cuts off the power to the heater in response to

1: paper absent

1: paper absent

1: level about 50% or

1: level about 50

sheets or less

1: level about 50% or

1: level about 50

sheets or less

0: paper present

1: paper present

1: paper present

1: paper present

DC controller

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Ir 3570 series Ir 2870 series Ir 2270 series