Canon imageRUNNER 2270 Service Manual page 315

Chapter 8
[1]
INCH
SW4-ON=INCH
[1] AB/Inch switch
[2] Cassette size dial
[3] Cassette size detection PCB
AB-configuration
Size
(no cassette)
A5R
A4
A4R
A3
8-32
[2]
SW3
SW2
SW1
SW0
SW4
SW0
OFF
ON
ON
OFF
OFF
F-8-26
T-8-7
SW1 SW2
OFF OFF
OFF ON
ON ON
ON ON
ON OFF
SW3 SW4
OFF OFF
ON OFF
ON OFF
ON OFF
ON OFF