PAPER FEED
SM 6-21 G104
Detailed
Descriptions
Paper Near End/End Detection
There are four sensors in tray 1: the two near end sensors [B] [E], the end sensor
[C] and the paper width sensor [A].
Near-end detection
Two near end sensors detect the amount of paper in the tray.
When the quantity of paper decreases, the bottom-plate-pressure lever moves up
and the actuator [F] (on the pressure-lever drive shaft) turns.
Remaining paper Near end sensor 1 [E] Near end sensor 2 [B]
Full ~ 450 ON OFF
450 ~ 250 ON ON
250 ~ 50 OFF ON
50 ~ 0 OFF OFF
OFF: No actuator
End detection
When the paper tray is empty, the actuator [D] moves into the end sensor. The
sensor detects paper end.
Paper width sensor
When paper with a small width (less than A5/HLT) is put in the tray, it does not lift
the actuator [G] of the paper width sensor. Because of this, the paper width sensor
detects the paper that has a width less than A5/HLT.
G105D131.WMF
[A]
[B] [C]
[D]
[E]
[F]
[G]
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