Canon imageRUNNER 2270 Service Manual page 848

The cassette size dial is equipped with a switch operated to change between AB and Inch
configurations; the cassette size detecting switch will detect the configuration as soon as a
cassette is fitted in the machine.
[1]
INCH
SW4-ON=INCH
F-2-5
[1] AB/Itch switch
[2] Cassette size dial
[3] Cassette size detection PCB
AB-configuration
Size
(no cassette)
A5R
A4
[2]
SW3
SW2
SW1
SW0
SW4
SW0
OFF
ON
ON
T-2-1
SW1 SW2
OFF OFF
OFF ON
ON ON
Chapter 2
SW3 SW4
OFF OFF
ON OFF
ON OFF
2-5