3-98 Service Manual
5058-030
The stacker media bin lowers according to the volume of media it contains. If any obstacle under the tray
hinders the tray from lowering, the stacker lower safety warning is detected, and the stacker media bin is
stopped.
Full stack detection
A full stack is detected when media in the stacker media bin becomes full to prevent media jam or falling of
media to the floor. The stacker media bin can stack up to approximately 3000 sheets.
The media volume in the stacker media bin is detected at every 10% (approximately 300 sheets) and notified to
the Controller.
Furthermore, the stacker media bin can stack up to 200 sets (default) of stapled media.
The stacker media bin can continue to stack media until media volume reaches either of the limits above.
In the mix stacking mode, all the sizes are allowed until a media volume of approximately 300 sheets in the
stacker media bin is detected.
The mix stacking mode indicates one of the following cases:
• A larger (any size of media) sheet of media is stacked on a smaller sheet.
For example: A4LEF (297x210) media is stacked on A4SEF (210x297) media.
Note: When B5LEF (257x182) media is stacked on A4LEF (297x210) media, this is not mix stacking.
Actuator
Stacker bin
lift motor assembly
Sensor (stacker bin
level encoder)
Sensor (media
eject shaft HP)
Media eject
motor assembly
Sensor (media
eject clamp HP)
Eject clamp motor
Sensor (stacker bin level 1)
Stacker media bin
Sensor (stacker bin level 2)
Sensor (stacker bin
upper limit)
Sensor (stacker bin no media)
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