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2) Details of operation
1 The alignment plate and the rear edge plate detect the home
positions, and moves to the paper size position. (ADU motor 1, 2,
ON)
2 Paper exit, reverse unit operation (ADU gate solenoid ON)
3 Rollers in the ADU rotate in the direction of paper entry. (ADU
drive motor ON)
4 ADU paper entry detection (ADU paper entry/exit sensors 1, 2
ON)
5 ADU paper presence detection (ADU paper sensors 1, 2 ON)
(5-1 is used only in the AB series.)
6 Rollers in the ADU rotate in the direction of paper exit. (ADU drive
motor ON)
7 Holding plate operation (Take-up clutch ON)
8 Take-up roller. paper feed roller rotation (Paper feed clutch ON)
9 ADU paper feed detection (ADU paper entry, exit sensor ON)
F ADU paper transport detection (ADU transport sensor ON)
9
6
5
3
1
2
4
7
1
10
8
5
-1
-2
DPTD
(DDM rotary encoder sensor)
DPHPS1
(Alignment plate home position sensor)
ADU sensor list
Signal name Name Type Operation, function
DPHPS1 Alignment plate home position sensor Transmission sensor LOW at home position
DPHPS2 Rear edge plate home position sensor Transmission sensor LOW at home position
DPED1 Paper sensor 1 Transmission sensor HIGH with paper present
DPPD1 Paper entry sensor Transmission sensor HIGH with paper present
DPED2 Paper sensor 2 Transmission sensor HIGH with paper present
DPOD Paper exit sensor Transmission sensor HIGH with paper present
DPTD DDM rotary encoder sensor Transmission sensor Motor rotation detection
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