The paper size is detected by a combination of three switches built into the Paper Size Switch [2]. The switches are operated by the Paper Size Dial [1] located on the right side of the Paper Feed Tray.


- SW1
 - SW2
 - SW3
 
Paper size detection combinations (L: Switch is pressed)
SW 1  | SW 2  | SW 3  | Paper Size  | |
|---|---|---|---|---|
1  | L  | L  | L  | A4 SEF  | 
2  | L  | H  | L  | A5 SEF  | 
3  | H  | L  | L  | A6 LEF  | 
4  | H  | H  | L  | Legal SEF  | 
5  | L  | L  | H  | Letter SEF  | 
6  | L  | H  | H  | -  | 
7  | H  | L  | H  | Half Letter SEF  | 
8  | H  | H  | H  | Paper cassette is not set.  |