Sharp MX-FN19 / MX-FN20 Service Manual ▷ View online
MX-FN19 MAINTENANCE 4 – 28
i. 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],
and push the tray lift motor gear [6] toward you to release the
clutch, and lift the No. 2 tray [5].
and 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,
therefore, hold the tray from the bottom in advance so
as not to twist the tray cable.
therefore, hold the tray from the bottom in advance so
as not to twist the tray cable.
j. 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.
k. Removal of stapling tray
1)
1)
Release 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 of the snap. When installing, insert the
projection of the sensor flag snap into the hole on the
stapling tray side.
projection of the sensor flag snap into the hole on the
stapling tray side.
[2]
[1]
[2]
[1]
[4]
[3]
[3]
[5]
[6]
[1]
[1]
[1]
[2]
[1]
[3]
[2]
MX-FN19 MAINTENANCE 4 – 29
2) Remove the E-ring [4], gear [5], parallel pin [6], E-ring [7], and
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
4) Remove the four screws [10] to remove the finisher controller
PCB base [11].
5) Release the pawl [13] of the clutch at the back of the delivery
roller, and release the clutch [12].
6) Remove the E-ring [14] and the bearing [15], and remove the
delivery roller.
7)
Disconnect the connector [16], and remove the harness from
the clamp and the edge saddle [17].
the clamp and the edge saddle [17].
8)
Remove the two screws [18], and pull out the stapling tray [19]
in the delivery direction.
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.
(2) No. 1 tray
a. Removal of front cover
1)
1)
Open the front cover [1], and remove the clip [2].
2)
Lift the front cover [1], and remove it.
b. Removal of rear cover
1)
1)
Remove the screws [1] (three screws (FN19), six screws
(FN20)), and lift and remove the rear cover [2].
(FN20)), and lift and remove the rear cover [2].
[5] [6]
[7] [8]
[4]
[10]
[11]
[9]
[10]
[13]
[14] [15]
[12]
[18]
[17]
[19]
[18]
[16]
FN19
[1]
[2]
FN20
FN19
FN20
MX-FN19 MAINTENANCE 4 – 30
c. Removal of front inside lower cover (FN19)
1) Remove the screw [1], and remove the leg cover [2].
1) Remove the screw [1], and remove the leg cover [2].
2) Remove the three screws [3], and shift the front inside lower
cover [4] to the left side, and remove it.
d. Removal of saddle inlet front inside cover (FN20)
1) Remove the three screws [1], and remove the saddle inlet front
1) Remove the three screws [1], and remove the saddle inlet front
inside cover [2].
e. Removal of front inside upper cover
1)
1)
Remove the four screws [1], and remove the front inside upper
cover [2].
cover [2].
f. 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.
CAUTION: When installing, be sure to engage the two pawls [4] of
the left upper cover with the metal plates.
[1]
[2]
[1]
[1]
[2]
[1]
FN19
FN20
[3]
[2]
[1]
[4]
MX-FN19 MAINTENANCE 4 – 31
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 is removed,
this procedure is unnecessary.
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 two posi-
tions.
three positions, and disconnect the connectors [8] at two posi-
tions.
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,
therefore, hold the tray at the bottom in advance. When
installing it, take care not to twist the tray cable.
therefore, hold the tray at the bottom in advance. When
installing it, take care not to twist the tray cable.
(3) No. 2 tray
a. Removal of front cover
1)
1)
Open the front cover [1], and remove the clip [2].
2)
Lift the front cover [1], and remove it.
[2]
[1]
[1]
[3]
[2]
[5]
[4]
[7]
[8]
[6]
[6]
[9]
[10]
FN19
[1]
[2]
FN20
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