Sharp MX-FN19 / MX-FN20 / MX-PN12 (serv.man2) Service Manual ▷ View online
MX-FN19 MAINTENANCE 4 – 24
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) 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].
f. Removal of front inside lower cover
(FN19)
1) Remove the screw [1], and remove the leg cover [2].
(FN19)
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.
cover [4] to the left side, and remove it.
(FN20)
1)
1)
Remove the screw [1], and remove the roller knob [2].
2)
Remove the four screws [3], and remove the front inside lower
cover [4].
cover [4].
g. PCB cover
1)
1)
Remove the seven screws [1], and remove the PCB cover [2].
[1]
[2]
[1]
[1]
[2]
[1]
FN19
FN20
[3]
[2]
[3]
[1]
[4]
[1]
[1]
[2]
MX-FN19 MAINTENANCE 4 – 25
h. Removal of saddle stitcher controller PCB (FN20)
1) Remove the four screws [1] and sixteen connectors [2], and
1) Remove the four screws [1] and sixteen connectors [2], and
remove the saddle stitcher controller PCB [3].
i. Removal of positioning plate unit
1) Remove the four screws [1], and remove the stay [2]. The har-
1) Remove the four screws [1], and remove the stay [2]. The har-
ness on the edge saddle of the stay does not need to be
removed.
removed.
2) Disconnect the two connectors [3] and the three clamps [4].
Remove the harness [5] from the clamps [6] at two positions.
3) Remove the two screws [7]. Slide the positioning plate unit [8]
toward you, and pull it out from the paper feed side.
C. Feed system
(1) Stapling tray section
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].
c. Removal of front inside lower cover (FN19)
1)
1)
Remove the screw [1], and remove the leg cover [2].
[1]
[1]
[1]
[1]
[2]
[3]
[1]
[1]
[2]
[4]
[5]
[8]
[3]
[7]
[6]
[7]
FN19
[1]
[2]
FN20
FN19
FN20
MX-FN19 MAINTENANCE 4 – 26
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) 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].
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.
g. Removal of grate-shaped upper guide
1)
1)
Move down the tray [1] lower than the grate-shaped upper
guide [2]. (For moving of the tray, refer to "Removal of No. 1
tray.")
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].
upper guide [2].
[1]
[2]
[1]
[1]
[2]
[1]
FN19
FN20
[3]
[2]
[1]
[4]
[3]
[2]
[1]
MX-FN19 MAINTENANCE 4 – 27
h. 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.
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. Then, disconnect the connectors [8] at two
positions.
three positions. Then, disconnect the connectors [8] at two
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,
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.
[2]
[1]
[1]
[3]
[2]
[5]
[4]
[7]
[8]
[6]
[6]
[9]
[10]
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