Canon LBP-3260 Service Manual page 192

CHAPTER 4
3. Cassette paper size detection PCB
4 - 32
J1601 SW1604 SW1603 SW1602 SW1601
1 5
Figure 4-7-5
Table 4-7-3
SW No. Function
SW1601
Cassette paper-size sensing
SW1602
switch
SW1603
(See page 2-47.)
SW1604