1St Paper Exit Tray Mechanism - Konica Minolta bizhub C250 Service Manual

Theory of Operation Ver. 1.0 Jul. 2005
5.3.6

1st Paper Exit Tray mechanism

• The 1st Paper Exit Tray is moved up or down by drive from the Shift Motor and the Exit
Tray Sensor detects if the paper is stacked on the 1st Paper Exit Tray.
• The Exit Tray Home Position Sensor detects if the 1st Paper Exit Tray is at its home posi-
tion.
• If the paper is stacked on the 1st Paper Exit Tray, home position is at the top side of
paper and if not, the home position is at the edge of the 1st Paper Exit Tray.
• When the main power is turned ON, the 1st Paper Exit Tray is returned to its home posi-
tion by drive of the Shift Motor.
• After the paper has exited from the Finishing Tray and has been stacked onto the 1st
Paper Exit Tray, the 1st Paper Exit Tray is moved down by the Shift Motor driven for a
given number of clock pulses.
• The Clock pulse detection is generated with the Shift Motor Clock Sensor and the 1st
Paper Exit Tray is returned to its home position for the next stacking operation.
• The Upper limit position of the 1st Paper Exit Tray is detected with the Shift Upper Limit
Sensor. When the Shift Upper Limit Sensor is turned ON, (upward movement) drive from
the Shift Motor is stopped.
• The Lower limit position of the 1st Paper Exit Tray is detected with the Shift Lower Limit
Sensor. When the Shift Lower Limit Sensor is turned ON, (downward movement) drive
from the Shift Motor is stopped.
• The Stack Full Sensor detects if an excessive amount of stacking is made due to the
height of the stacked paper of large sizes or of mixed sizes.
Shift Upper Limit Sensor
(PI15-FN)
Shift Lower Limit Sensor
(PI16-FN)
Shift Motor Clock Sensor
(PI17-FN)
Exit Tray Home Position
Sensor (PI9-FN)
Edge
1st Paper Exit Tray
Stack Full Sensor (PI24-FN)
Shift Motor (M6-FN)
5. Operation
Exit Tray Sensor
(PI8-FN)
4583M625AA
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