Sharp MX-FN11 (serv.man2) Service Manual ▷ View online
MX-FN11 DISASSEMBLY AND ASSEMBLY 5 – 32
D. Electrical system
(1) Finisher controller PCB
a. Finisher controller PCB
a-1. Removal of rear cover
1) Remove the three screws [1], and lift and remove the rear
1) Remove the three screws [1], and lift and remove the rear
cover [2].
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) Remove a screw [1] to remove the foot cover [2].
1) Remove a screw [1] to remove the foot cover [2].
2)
Remove the three screws [3], and slide the front cover [4] to
the left and remove it.
the left and remove it.
b. Removal of rear cover
1)
1)
Remove the three screws [1], and lift and remove the rear
cover [2].
cover [2].
[1]
[2]
[2]
[3]
[1]
[2]
[1]
[2]
[4]
[3]
[1]
[2]
MX-FN11 DISASSEMBLY AND ASSEMBLY 5 – 33
c. Removal of left upper cover
1) Remove the two screws [1].
2) With the upper door [2] open, tilt the left upper cover [3] to the
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.
CAUTION: When installing, be sure to engage two pawls [4] of the
left upper cover with the metal plates.
d. 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].
e. 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]
[2]
[1]
[4]
[3]
[2]
[1]
[2]
[1]
[1]
[3]
[2]
[5]
[4]
MX-FN11 DISASSEMBLY AND ASSEMBLY 5 – 34
3) Remove the two screws [6], and open the harness holder [7] at
three positions, and disconnect the connectors [8] at three
positions.
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].
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.
f. 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].
Push the tray lift motor gear [6] toward you to release the
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.
[7]
[8]
[6]
[6]
[9]
[10]
[2]
[1]
[2]
[1]
[4]
[3]
[3]
[5]
[6]
MX-FN11 DISASSEMBLY AND ASSEMBLY 5 – 35
g. Removal of grate-shaped lower guide
1) Remove the ten screws [1], and remove the grate-shaped
1) Remove the ten screws [1], and remove the grate-shaped
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.
h. Removal of stapler
1) Pull out the stapler, remove the screw [1], and remove the PCB
1) Pull out the stapler, remove the screw [1], and remove the PCB
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
3) Disconnect the connectors [5] at three positions.
4) Remove the screw [6], and remove the stapler with the stapler
base [7].
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.
positions, and remove the two screws [10]. Then, remove the
stapler from the stapler base.
i. Removal of stapling tray
1)
1)
Remove the snaps [1] at four positions, and remove the sensor
flag [3] from the delivery roller [2].
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.
[1]
[1]
[1]
[2]
[2]
[1]
[8]
[5]
[3]
[4]
[7]
[6]
[10]
[9]
[1]
[3]
[2]
[5] [6]
[7] [8]
[4]
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