4-35
FS-1900
Paper size detecting circuit
The three paper size switches (SW1, SW2, SW3) are activated according to the positioning of the
paper size dial on the paper cassette. An analog signal is generated by the combination of the paper
size switches, which are put in comparison with the voltage/paper size table referenced by the
paper size detecting circuit. The paper size is detected.
Paper size dial
Paper size
switch
Cassette
Figure 4-3-13 Paper size detecting circuit
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