Read Sharp AM-400 (serv.man7) Service Manual online
AM-400DE
3 – 7
7.7. Switching operation (3) from the sheet scan mode to the fixed scan mode
Due to the system gear rotation, the pin B is guided in the cam groove
B to turn the planet gear B mounting arm. The planet gear B is disen-
gaged from the system gear, and the system gear loses its power.
B to turn the planet gear B mounting arm. The planet gear B is disen-
gaged from the system gear, and the system gear loses its power.
7.8. Switching operation (4) from the sheet scan mode to the fixed scan mode
The system gear is driven by the system gear biasing spring until it
reaches the stopper at the release position of the scan unit locking
lever.
reaches the stopper at the release position of the scan unit locking
lever.
(Scanner unit)
Locking rib
Scan unit drive side gear train
Sheet scan drive side gear train
Scan unit locking lever
System gear
Planet gear A
Planet gear B
(drive source)
Motor gear
Clockwise rotation:
switching operation
switching operation
System gear biasing spring
Counterclockwise rotation: The scanner
unit moves toward the sheet scan position.
unit moves toward the sheet scan position.
(Clockwise rotation: The scanner
unit moves toward the fixed scan position.)
unit moves toward the fixed scan position.)
Motor gear
(drive source)
System gear biasing spring
Planet gear B
Planet gear A
System gear
Scan unit locking lever
Sheet scan drive side gear train
Scan unit drive side gear train
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