Paper Level Sensor - Canon iR4570 Series Service Manual

Chapter 8
The following is a list of sizes that may be assigned in addition to default sizes in service mode:

8.4.5 Paper Level Sensor

iR2270 / iR2870 / iR3570 / iR4570
The level of paper inside the cassette is checked using the following sensors:
Paper level sensor A
8-30
T-8-9
U1 G-LTR
U2 FLSC
U3 G-LGL
U4 A-LTR
T-8-10
Universal U1 Through U4
Size
FLSC
OFI
E-OFI
B-OFI
A-OFI
M-OFI
FOLI
A-FLS
G-LTR
G-LGL
A-LTR (LTR)
A-LTRR (LTRR)
T-8-11
Cassette 1
PS3
0007-8702
Cassette 2
PS5