Sharp AR-810 (serv.man20) Service Manual ▷ View online
AR-651/810 RADF (DOCUMENT FEEDER) 16 - 9
The SCN-STR turns OFF when the trailing edge of the original has passed the scanning section, and
before the trailing edge of the original passes the 3rd roller, 2nd original reaches the scanning waiting
section and stops being transported.
(6) Start of 2nd original scanning
Scanning begins after receiving the original transport signal from the copier. At the same time,the
original stop signal is reset. Then the read motor starts to rotate forward and the large original exit motor
starts to rotate in reverse.
The SCN-SCR turns ON when the leading edge of the original has reached the scanning section. When
the trailing edge of 1st original has proceeded a specified distance after passing the 3rd roller, the large
original exit motor starts to accelerate.
When the leading edge of the original has been transported to the intermediate transport section and
come to a specified distance before the intermediate transport roller, The large original exit motor starts
to rotate in reverse.
AR-651/810 RADF (DOCUMENT FEEDER) 16 - 10
The SCN-SCR turns OFF when the leading edge of the original has reached the scanning section.
When the trailing edge of the original has proceeded a specified distance after passing the 3rd roller, the
large original exit motor starts to accelerate.
(7) After the original trailing edge has passed the 3rd roller
When the leading edge of the original has come to a specified distance before the small original exit
roller, the small original exit motor starts to rotate forward.
When the intermediate transport sensor detects the trailing edge of 1st original, the large original exit
motor stops rotating unless the leading edge of 2nd original has come to a given place. If it has, the
large original exit motor slows down to the speed of scanning.
When the trailing edge of the original has come to a specified distance before the small original exit
roller, the small original exit motor starts to slow down.
AR-651/810 RADF (DOCUMENT FEEDER) 16 - 11
When the original has proceeded a specified distance after the small original exit sensor had detected
the trailing edge of the original, the small original exit motor stops rotating. Then the operation ends after
2nd original has been discharged.
AR-651/810 RADF (DOCUMENT FEEDER) 16 - 12
16. 5. 2. A4 two-sided feeding
(Operational condition: A4 original/Reproduction ratio: 100%)
(1) Original setting
Same operation as 16.5.1.(1)
(2) Lifting of the lifting tray
Same operation as 16.5.1.(2)
(3) Start of separation
Same operation as 16.5.1.(3)
(4) Start of feeding
Same operation as 16.5.1.(4)
(5) Start of top side scanning
Scanning starts after receiving the original transport signal from the copier. At the same time, the
original stop signal is reset. The read motor starts to rotate forward and to separate 2nd original.
When the leading edge of the original has reached the scanning section, both the SCN-STR and the
large original exit solenoid turn ON.
When the leading edge of the original has been transported to the large original exit side and reached to
the 3rd roller, the large original exit motor starts to rotate in reverse .
The SCN-STR turns OFF after the trailing edge of the original has passed the scanning section, and at
the same time, both the read and large original exit motors start to accelerate. After the trailing edge of
the original has passed the 4th roller and proceeded a specified distance, the large original exit motor
slows down.
After the large original exit sensor has detected the trailing edge of the original, the read motor stops
rotating soon and the large original exit motor stops rotating when the original has proceeded a specified
distance. Then the original is nipped by the large original exit roller.
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