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CHAPTER 3 SADDLE STITCH UNIT BASIC OPERATION
3-17
B.
Controlling the Inlet Flappers
1.
Outline
The two flappers mounted at the paper inlet are operated to configure the feed path according to
the size of paper. The flappers are used to enable the following:
1.
1.
To detect the passage of the trailing edge of the paper being moved by an appropriate sensor.
2.
To prevent the following sheet from butting against the top of the existing stack,
Table 3-301 shows the relationship between sensors and paper sizes.
Table 3-301 shows the relationship between sensors and paper sizes.
Sensor
A3/LD/8K
B4
A4-R/LT-R
Finisher Saddle Paper JAM Detector 1 (FSPJD1)
Used
Used
Used
Finisher Saddle Paper JAM Detector 2 (FSPJD2)
Not used
Used
Used
Finisher Saddle Paper JAM Detector 3 (FSPJD3)
Not used
Not used
Used
Table 3-301
Each flapper is driven by its own solenoid.
Table 3-302 shows the relationship between solenoids and paper sizes.
Table 3-302 shows the relationship between solenoids and paper sizes.
Solenoid
A3/LD/8K
B4
A4-R/LT-R
Finisher Flapper Solenoid 2 (FFS2)
OFF
ON
ON
Finisher Flapper Solenoid 3 (FFS3)
OFF
OFF
ON
Table 3-302
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