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82 MFP unit explanation ENWW
Tray 4 paper feed unit
Composition
Mechanisms
*1 Paper lift-up
a Hoisting of up/down plate
paper feed tray is driven by wires.
When the paper tray is loaded, the
tray up drive motor 3 (M18) rotates to
wind the wires around the drive
pulleys and consequently the
up/down plate in the tray moves up.
When the tray upper limit PS/3
(PS14) detects the actuator of the
roller that has been moved up by
paper, the tray up drive motor 3 (M18)
stops.
b Lowering of tray
When the paper feed tray is pulled
out, the coupling shaft of the tray is
disengaged from the coupling gear of
the tray up drive motor on the MFP
side, allowing the up/down plate in
the tray to fall down by its own weight.
Mechanism Method
Paper lift-up *1 Up: Driven by wires
Down: Falls down by its own
weight
Tray loading Front loading
Double feed
prevention
Torque limiter
First paper feed Pick roller
No paper detection Photosensor + actuator
Paper size detection
*2 (Universal)
Width: VR
Length: Photosensor
+ actuators (two)
First paper feed
Paper loop
mechanism*3
Photosensor + actuator
+ magnetic clutch