Sharp MX-5500N / MX-6200N / MX-7000N (serv.man19) Peripheral ▷ View online
MX-FNX4 DISASSEMBLY AND ASSEMBLY 6 – 52
CAUTION: When installing, be sure to engage two pawls [4] of the
left upper cover with the metal plates.
f. Removal of grate-shaped upper guide
1) Move the tray [1] lower than the grate-shaped upper guide [2].
1) Move the tray [1] lower than the grate-shaped upper guide [2].
(For moving of the tray, refer to "Removal of No. 1 tray")
2) Remove the five screws [3], and remove the grate-shaped
upper guide [2].
g. Removal of No. 1 tray
CAUTION: Note for installing or moving the tray
When moving down the tray, push up the shutter [1],
and release the latch [2] on the lower surface of the tray
to lower the tray.
When the latch is released, the tray will free-fall. Hold
the tray with your hand during the removal.
and release the latch [2] on the lower surface of the tray
to lower the tray.
When the latch is released, the tray will free-fall. Hold
the tray with your hand during the removal.
1)
Remove the screw [1], and remove the metal plate [2] and the
slide guide [3]. If the grate-shaped upper guide has been
removed, this procedure is unnecessary.
slide guide [3]. If the grate-shaped upper guide has been
removed, this procedure is unnecessary.
2)
Remove the screw [4], and remove the stopper [5].
3)
Remove the two screws [6], and open the harness holder [7] at
three positions, and disconnect the connectors [8] at three
positions.
three positions, and disconnect the connectors [8] at three
positions.
4)
Insert your finger into the hole in the back of the No. 1 tray [9].
Push the tray lift motor gear [10] toward you to release the
clutch, and lift the No. 1 tray [9].
Push the tray lift motor gear [10] toward you to release the
clutch, and lift the No. 1 tray [9].
CAUTION: When the clutch of the tray lift motor gear is released, it
falls by its own weight. When releasing the clutch, there-
fore, hold the tray at the bottom in advance. When
installing it, take care not to twist the tray cable.
fore, hold the tray at the bottom in advance. When
installing it, take care not to twist the tray cable.
[4]
[3]
[2]
[1]
[2]
[1]
[1]
[3]
[2]
[5]
[4]
[7]
[8]
[6]
[6]
[9]
[10]
MX-FNX4 DISASSEMBLY AND ASSEMBLY 6 – 53
h. Removal of No. 2 tray
CAUTION: Note for installing or moving the tray
When moving down the tray, push up the shutter [1],
and release the latch [2] on the lower surface of the tray
to lower the tray.
When the latch is released, the tray will free-fall. Hold
the tray with your hand during the removal.
and release the latch [2] on the lower surface of the tray
to lower the tray.
When the latch is released, the tray will free-fall. Hold
the tray with your hand during the removal.
1) Remove the screw [1], and remove the stopper [2].
2) Remove the two screws [3], and disconnect the connector [4].
3) Insert your finger into the hole in the back of the No.2 tray [5].
Push the tray lift motor gear [6] toward you to release the
clutch, and lift the No.2 tray [5].
clutch, and lift the No.2 tray [5].
CAUTION: When the clutch of the tray lift motor gear is released, it
falls by its own weight. When releasing the clutch, there-
fore, hold the tray at the bottom in advance. When
installing it, take care not to twist the tray cable.
fore, hold the tray at the bottom in advance. When
installing it, take care not to twist the tray cable.
i. Removal of grate-shaped lower guide
1)
1)
Remove the ten screws [1], and remove the grate-shaped
lower guide [2].
lower guide [2].
CAUTION: When installing, be careful not to damage the grate-
shaped lower guide by hanging it to the sensor flag arm
on the delivery side.
on the delivery side.
j. Removal of stapler
1)
1)
Pull out the stapler, remove the screw [1], and remove the PCB
cover [2].
cover [2].
2)
Release the pawl [3], and remove the PCB [4].
3)
Disconnect the connectors [5] at three positions.
4)
Remove the screw [6], and remove the stapler with the stapler
base [7].
base [7].
[2]
[1]
[2]
[1]
[4]
[3]
[3]
[5]
[6]
[1]
[1]
[1]
[2]
[2]
[1]
MX-FNX4 DISASSEMBLY AND ASSEMBLY 6 – 54
CAUTION: When removing, be careful not to damage the flag [8].
5) Turn back the stapler, disconnect the connectors [9] at two
positions, and remove the two screws [10]. Then, remove the
stapler from the stapler base.
stapler from the stapler base.
k. Removal of stapling tray
1) Remove the snaps [1] at four positions, and remove the sensor
1) Remove the snaps [1] at four positions, and remove the sensor
flag [3] from the delivery roller [2].
CAUTION: The sensor flag arm is easily broken. When removing it,
hold the base section of the snap holder. When install-
ing, insert the projection of the snap of the sensor flag
into the hole on the stapling tray side.
ing, insert the projection of the snap of the sensor flag
into the hole on the stapling tray side.
2)
Remove the E-ring [4], gear [5], parallel pin [6], E-ring [7], and
the bearing [8] in front of the delivery roller.
the bearing [8] in front of the delivery roller.
CAUTION: When the gear [5] is removed, the parallel pin [6] falls.
Be careful not to lose it.
3)
Disconnect all the connectors [9] of the finisher controller PCB.
4)
Remove the four screws [10] to remove the finisher controller
PCB base [11].
PCB base [11].
5)
Release the pawl [13] of the clutch [12] on the back of the
delivery roller, and remove the clutch [12].
delivery roller, and remove the clutch [12].
6)
Remove the E-ring [14] and the bearing [15], and remove the
delivery roller.
delivery roller.
[8]
[5]
[3]
[4]
[7]
[6]
[10]
[9]
[1]
[3]
[2]
[5] [6]
[7] [8]
[4]
[10]
[11]
[9]
[10]
[13]
[14] [15]
[12]
MX-FNX4 DISASSEMBLY AND ASSEMBLY 6 – 55
7) Disconnect the connector [16], and remove the harness from
the clamp and the edge saddle [17].
8) Remove the two screws [18], and pull out the stapling tray [19]
in the delivery direction.
CAUTION: When removing parts in the stapling tray, do not apply a
force to the alignment plates (front/back) and the three
positions on the rear edge regulation plate.
positions on the rear edge regulation plate.
l. Removal of swing unit discharge needle
1) Remove the screw [1] which is fixing the discharge needle at
1) Remove the screw [1] which is fixing the discharge needle at
the center of the swing unit.
2) Remove the two screws [2] which are fixing the earth wire of
the delivery side discharge needle.
3) Pull out the discharge needle [3] at the center of the swing unit
from the bottom.
4) Disengage the pawls [4] (at four positions) which are fixing the
discharge needle on the delivery side. Remove the two dis-
charge needles [5].
charge needles [5].
(3) Discharge needle 2
a. Removal of inlet port discharge needle
1)
1)
Open the upper door, and release the hook that links the upper
door and the inlet upper guide.
door and the inlet upper guide.
2)
Remove the two screws [1], and remove the right side section
[2] of the inlet upper guide.
[2] of the inlet upper guide.
3)
Remove the three screws [3], and remove the inlet discharge
needle [4].
needle [4].
(4) Saddle stitcher controller PCB (MX-FNX4)
a. PCB cover
1)
1)
Remove the seven screws [1], and remove the PCB cover [2].
[18]
[17]
[19]
[18]
[16]
[1]
[2]
[4]
[3]
[5]
[4]
[2]
[1]
[3]
[4]
[1]
[1]
[2]
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