Item No. Functions
Photointerrupter
1 Scanner home position is detected.
2 Opening and closing of the document cover is detected.
3 Master clump opening and closing lever A/C mode is detected.
4 Master clump opening and closing lever B mode is detected.
5 Drum home position and JAM detection position are detected.
6 Master attachment/detachment position is detected.
7 Main motor encoder sensor.
8 Press roller ON and OFF is detected.
9 Feed tray elevator top limit detection
11 Center position of the print position adjustment is detected.
12 Paper ejection belt motor and encoder detection.
Master ejection sensor photo-emitting
13 Photo-emitting of the master ejection and JAM detection sensor.
Master ejection sensor photo-receiving
14 Master is detected at the inlet of the master ejection box.
Jam sensor photo-receiving 15 Paper on the paper delivery side is detected.
Jam sensor photo-emitting 16 Detection of paper on paper ejection side.
10 Print position limit of the print position is detected.