1-12
99T-M12M0-0107-0
3-3. Paper Feed Tray Up and Down Section
The paper feed tray is raised and lowered by the rotation of the sprocket of the up/down shaft and the pulling of the
paper feed tray by the chain. The other chain is a spring which pulls the paper feed tray in the rising direction at all
times. The up/down shaft is driven using a DC motor and decelerated by a worm gear.
When the paper feed tray moves up, the position of the tray is detected with the actuator of the level sensor and the
tray stops at the detected position. When the tray moves down, the tray touches the microswitch (lower limit switch
A), and the tray stops at the position.
Adjustments
Adjust the position of the lower limit switch unit A to determine the lower limit position of the paper feed tray.
To maintain a clearance of 217 to 223 mm (8.54" to 8.78") between the paper feed tray and suction belt when the
paper feed tray is at the bottommost position, adjust the attaching position of the lower limit switch unit A.
Adjust the parallelity of the paper feed tray using the nuts attached to the left and right joints.
Loosen the top nut once, adjust the height of the paper feed tray using the bottom nut, and then tighten the top nut
to secure. If the paper feed tray does not become parallel, the chain and sprocket of the up/down shaft may not be
engaged properly. Engage properly and then adjust.
3-4. Greasing the Secondary Conveyance Roller of the Paper Feed Section
This roller is pre-greased. When the grease runs out, a whistle-like buzzer is sounded.
To reach the secondary conveyance roller with the hand for greasing, remove the upper door, end mark sensor
(upper), double-feed detection sensor, conveyance shaft, paper feed inlet A upper, and paper feed inlet A lower, etc.
Holder
2 washers
96G-1124X
12N sprocket
Key
Key
Gear
Gear
Gear
Worm gear
Worm wheel
Washer
96G-1124X
Gear
12N sprocket
Key
Oil seal
Holder
Chain
Joint
Nuts
Set collar
Worm gear
Even
Collar
Frame F
Frame B
Frame B
Up/down shaft
Bearing (6201ZZNR)
Bearings (6201ZZNR)
Washer
96G-1124X
Washer
96G-1124X
(Fix so that movement of shaft is between
0.2 to 0.5 mm (0.008" to 0.02"))
Motor
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