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RISO Inc. Technical Services & Support
US.RISO.COM
CHAPTER 10: MASTER REMOVAL SECTION
[ 10 - 5 ]
4. Disposed Master Compression Mechanism
1) Initializing movement
The initialization action of the master compression plate is made in two occasions.
(1) If the master compression plate HP sensor is found opened when the machine power is turned ON or when
the all-reset key is pressed, the master compression motor rotates in the return direction until the light
path of the master compression plate HP sensor becomes blocked. If the light path of the master
compression plate HP sensor is blocked from the start, the initializing operation of the master compression
plate is not performed.
(2) If the light path of the master compression plate HP sensor is opened at the start of the master compressing
operation, the master compression motor rotates in the return direction until the light path is blocked. If the
light path of the sensor is blocked from the start, the initializing operation of the master compression plate
is not performed.
2) Master compressing movement
With only a small amount of removed master in the master disposal box, the master compression plate makes
full compressing action. The plate stops at the maximum down position for 3 seconds and then returns to the
fully raised home position. The maximum down position is 130 pulse count by the FG sensor (adjustable by
test mode No.573). The FG sensor, located in between the series of gears between the master compression
motor and compression plate, starts counting the pulses when the compression plate clears from the master
compression plate HP sensor.
As the removed master in the master disposal box increases, the resistance to the compression plate increases,
causing the plate to slow down during the compression movement. The compression plate ends the compressing
action before it reaches the 130 pulse count position. If the time intervals between each pulse exceeds 53 ms
(adjustable by test mode No.575), the compression plate ends the compression action and stops for 3 seconds.
The plate then returns to the home position.
As the amount of the removed master increases, the resistance against the compression plate increases
during the compressing movement. If the time interval exceeds more than 53 ms (adjustable by test mode
No.575) between each FG count within the compression plate arrives at 106 pulse count from the home
position (adjustable by test mode No.576), the master disposal box is detected to be full. The LED lamp on the
operation panel lights to give the FULL message.
1007
1008
1009
Master compression plate HP sensor
Master compression plate
Master disposal box FULL position
Maximum compressing position
Summary of Contents for RZ5 Series
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