Sharp MX-5500N / MX-6200N / MX-7000N (serv.man19) Peripheral ▷ View online
MX-FNX4 DISASSEMBLY AND ASSEMBLY 6 – 50
d. Removal of front inside upper cover
1) Remove the four screws [1], and remove the front inside upper
1) Remove the four screws [1], and remove the front inside upper
cover [2].
e. Removal of inlet feed unit
1) Disconnect the connectors [1] at four positions, and remove
1) Disconnect the connectors [1] at four positions, and remove
the harness from the clamp [2].
2) Remove the four screws [3].
3) Open the upper cover [4], and remove the inlet feed unit [5].
3) Open the upper cover [4], and remove the inlet feed unit [5].
f. Removal of No. 2 paper deflection plate
1)
1)
Disengage the pawl [1] of the No. 2 paper deflection plate
bearing, and pull the No. 2 paper deflection plate shaft [2] to
the back.
bearing, and pull the No. 2 paper deflection plate shaft [2] to
the back.
2)
Remove the front shaft of the No. 2 paper deflection plate [3]
from the front side plate, and remove the No. 2 paper deflec-
tion plate.
from the front side plate, and remove the No. 2 paper deflec-
tion plate.
D. Electrical system
(1) Finisher controller PCB
a. Finisher controller PCB
a-1. Removal of rear cover
1)
1)
Slide the tray cable cover [1] to the tray side, and remove it.
2)
Remove the six screws [2], and lift and remove the rear cover
[3].
[3].
* For MX-FNX3, refer to 1-A-(2)-a.
[1]
[2]
[1]
[1]
[1]
[2]
[3]
[3]
[5]
[4]
[2]
[1]
[3]
1
2
[2]
[1]
[3]
[2]
MX-FNX4 DISASSEMBLY AND ASSEMBLY 6 – 51
a-2. Removal of finisher controller PCB
1) Disconnect all the connectors [1] from the finisher controller
1) Disconnect all the connectors [1] from the finisher controller
PCB.
2) Remove the four screws [2], and remove the finisher controller
PCB [3].
(2) Discharge needle 1
a. Removal of front cover
1) Open the front cover [1], and remove the clip [2].
2) Lift the front cover [1], and remove it.
* For MX-FNX3, refer to 1-A-(1)-a.
1) Open the front cover [1], and remove the clip [2].
2) Lift the front cover [1], and remove it.
* For MX-FNX3, refer to 1-A-(1)-a.
b. Removal of rear cover
1) Slide the tray cable cover [1] to the tray side, and remove it.
2) Remove the six screws [2], and lift and remove the rear cover
1) Slide the tray cable cover [1] to the tray side, and remove it.
2) Remove the six screws [2], and lift and remove the rear cover
[3].
* For MX-FNX3, refer to 1-A-(2)-a.
c. Removal of saddle inlet front inside cover
1)
1)
Remove the three screws [1], and remove the saddle inlet front
inside cover [2].
inside cover [2].
d. Removal of front inside upper cover
1)
1)
Remove the four screws [1], and remove the front inside upper
cover [2].
cover [2].
* For MX-FNX3, refer to 1-A-(3)-d.
e. Removal of left upper cover
1)
1)
Remove the two screws [1].
2)
With the upper door [2] open, tilt the left upper cover [3] to the
right, and remove it.
right, and remove it.
[2]
[3]
[1]
[2]
[1]
[2]
[2]
[1]
[3]
[2]
[1]
[2]
[1]
[1]
[2]
[1]
[3]
[2]
[1]
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]
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