Canon imagerunner C5180 Service Manual page 342

View from the Front of the Machine
If the cassette is full of paper
Cassette paper
level sensor (B)
OFF
If the cassette is half full of paper
Cassette paper
level sensor (B)
OFF ON
If the cassette has little paper
Cassette paper
level sensor (B)
ON
If the cassette has no paper
Cassette paper
level sensor (A)
OFF
Cassette paper
level sensor (A)
Cassette paper
level sensor (A)
ON
F-10-14
Paper
Cassette paper sensor
Paper tray
Chapter 10
Paper
Paper
Flag
10-15