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MX-LCX5 DETAILED DESCRIPTIONS 4 – 2
2. Paper detection/lift
A. Mechanism
Detection
When the tray set in the machine, the tray is detected by the drawer
connector on the back side of the tray.
Lift
When the machine detects that the paper tray is set in the machine:
• The tray lift motor [A] rotates forward
• Coupling gear [B] on the tray lift motor engages pin [C] of the lift
When the tray set in the machine, the tray is detected by the drawer
connector on the back side of the tray.
Lift
When the machine detects that the paper tray is set in the machine:
• The tray lift motor [A] rotates forward
• Coupling gear [B] on the tray lift motor engages pin [C] of the lift
drive shaft.
• The tray drive belts [D], connected to the tray bottom plate [E],
are driven by the tray lift motor via the lift drive shaft and tray lift
pulleys [F].
pulleys [F].
• When the lift motor rotates forward, the tray bottom plate [E]
rises. The tray rises until the top of the paper stack pushes up the
pick-up roller and the lift sensor in the feed unit is de-activated.
pick-up roller and the lift sensor in the feed unit is de-activated.
• When the actuator [G] on the rear end of the bottom plate acti-
vates the paper height sensors [H], the remaining paper capacity
is detected.
is detected.
When the tray is pulled out:
• Coupling gear [B] separates from pin [C] and the tray bottom
• Coupling gear [B] separates from pin [C] and the tray bottom
plate goes down.
• A damper [I] slows the descent of the bottom plate. For the B834,
all three trays have this damper.
B. Lift sensor
When the lift motor turns on, the pick-up solenoid [A] activates to
lower the pick-up roller [B]. When the top sheet of paper reaches
the proper paper feed level, the paper pushes up the pick-up roller
and the actuator [C] on the pick-up roller supporter [D] de-activates
the lift sensor [E] to stop the lift motor.
After several paper feeds, the paper level gradually lowers, then
the lift sensor is activated and the lift motor turns on again until the
lift sensor is de-activated again.
lower the pick-up roller [B]. When the top sheet of paper reaches
the proper paper feed level, the paper pushes up the pick-up roller
and the actuator [C] on the pick-up roller supporter [D] de-activates
the lift sensor [E] to stop the lift motor.
After several paper feeds, the paper level gradually lowers, then
the lift sensor is activated and the lift motor turns on again until the
lift sensor is de-activated again.
3. Paper size detection
1)
4th Paper Width Sensor 3
2)
4th Paper Width Sensor 2
3)
4th Paper Width Sensor 1
4)
4th Paper Length Sensor
The 4th, 5th, and 6th trays have three paper width sensors and one
paper length sensor. The illustration above shows how these sen-
sors are arranged in the 4th tray.
This table describes how the three width sensors and one length
sensor are used to determine the paper size in the 4th, 5th, and 6th
paper trays.
paper length sensor. The illustration above shows how these sen-
sors are arranged in the 4th tray.
This table describes how the three width sensors and one length
sensor are used to determine the paper size in the 4th, 5th, and 6th
paper trays.
YES: Detected automatically
NO: Not detected automatically. Requires size setting change with
the "Tray Paper Setting" key on the copier operation panel to detect
the desired paper size.
H: Sensor OFF
L: Sensor ON
NO: Not detected automatically. Requires size setting change with
the "Tray Paper Setting" key on the copier operation panel to detect
the desired paper size.
H: Sensor OFF
L: Sensor ON
[A]
[B]
[C]
[E]
[F]
[G]
[H]
[I]
[D]
[A]
[E]
[D]
[C]
[B]
Paper Size
Width Sensors
Length
Sensor
Sensor
Area
W1
W2
W3
L1
NA
EU
Large
Size
Size
12" x 18"
L
L
L
H
YES
YES
13" x 19"
NO
NO
320 x 450 mm
NO
NO
A3 SEF
297 x 420 mm
L
L
H
H
YES
YES
A4 LEF
297 x 210 mm
L
L
H
L
YES
YES
DLT SEF
11" x 17"
L
H
L
H
YES
YES
LT LEF
11" x 8 1/2"
L
H
L
L
YES
YES
B4 SEF
257 x 364 mm
L
H
H
H
YES
YES
B5 LEF
257 x 182 mm
L
H
H
L
YES
YES
A4 SEF
210 x 297 mm
H
L
L
H
NO
YES
LT SEF
8 1/2" x 11"
H
L
L
H
YES
NO
A5 LEF
210 x 148 mm
H
L
L
L
NO
YES
HLT LEF
8 1/2" x 5 1/2"
H
L
L
L
YES
NO
B5 SEF
182 x 257 mm
H
L
H
H
NO
NO
F SEF
8" x 13"
H
L
H
H
YES
YES
A5 SEF
148 x 210 mm
H
H
L
L
YES
YES
HLT SEF 5 1/2" x 8 1/2"
H
H
H
L
YES
YES
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