Canon iR4570 Series Service Manual page 348

Chapter 8
View from the Front
Paper level
sensor A
OFF
8-32
of the Machine
When full with paper
Cassette paper Cassette paper
level sensor B level sensor A
OFF OFF
When half full with paper
Cassette paper
Cassette paper
level sensor A
level sensor B
OFF ON
When there is little paper
Cassette paper
Cassette paper
level sensor B
level sensor A
ON ON
When there is no paper
Paper level Paper
sensor B sensor
OFF
Cassette paper sensor
Paper tray
F-8-28
T-8-12
Paper level
100% to 50% of
OFF
capacity
Paper
Paper
Paper
Flag
Control panel
indication