THEORY GUIDE Cassette Handling
10DEC05
TG4825-1
Page
50 of 120
Component Description
DRIVE MOTOR Provides the motion of the DRIVE ROLLER that moves the
CASSETTE toward the END STOP.
DRIVE ROLLERS Move the CASSETTE from the Cassette Entry area to the END
STOP. At the END STOP, the CASSETTE is in the correct position
for scanning.
IDLER ROLLERS Hold the CASSETTE in the correct position when the DRIVE
ROLLERS move the CASSETTE toward the END STOP. The IDLER
ROLLER is on the opposite side of the CASSETTE from the DRIVE
ROLLER.
SLED CAM The part of the DUPLEX CAM that moves the SLED PLATE. See
DUPLEX CAM AY. Not visible in the graphic.
SLED PLATE Moves backward and forward when the CASSETTE moves toward
the END STOP and back to the Cassette Entry area. In combination
with the INTERMEDIATE PLATE, the SLED PLATE actuates the
motion of the PIVOTING PLUSH.
PIVOTING PLUSH When the CASSETTE is in scanning position, makes a light-tight
environment around all sides of the CASSETTE. The PIVOTING
PLUSH has FIBERS fastened to BARS on each side of the
CASSETTE. To prevent light from reaching the SCREEN when it is
removed from the CASSETTE, the PIVOTING PLUSH rotates
toward the CASSETTE.
CASSETTE ENTRY
SENSOR S1
Detects that a CASSETTE was placed in the Cassette Transport
area.
CASSETTE LOAD
SENSOR S2
Detects that a CASSETTE is loaded and has contact with the
DRIVE ROLLERS and IDLER ROLLERS.
CASSETTE REAR
SENSOR S3
Detects that a CASSETTE has reached the END STOP and
deactuates the DRIVE MOTOR.
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