DOWNLOAD Sharp MX-FN19 / MX-FN20 / MX-PN12 (serv.man2) Service Manual ↓ Size: 25.8 MB | Pages: 127 in PDF or view online for FREE

Model
MX-FN19 MX-FN20 MX-PN12 (serv.man2)
Pages
127
Size
25.8 MB
Type
PDF
Document
Service Manual
Brand
Device
Copying Equipment / Service Manual Revised May 2014.
File
mx-fn19-mx-fn20-mx-pn12-sm2.pdf
Date

Sharp MX-FN19 / MX-FN20 / MX-PN12 (serv.man2) Service Manual ▷ View online

MX-FN19  MAINTENANCE  4 – 19
e. 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
right to remove it. 
CAUTION: When installing, be sure to engage the two pawls [4] of
the left upper cover with the metal plates.
f. Removal of grate-shaped upper guide
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")
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.
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.
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-FN19  MAINTENANCE  4 – 20
3) Remove the two screws [6], open the harness holder [7] at
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].
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.
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.
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].
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.
[7]
[8]
[6]
[6]
[9]
[10]
[2]
[1]
[2]
[1]
[4]
[3]
[3]
[5]
[6]
MX-FN19  MAINTENANCE  4 – 21
i. Removal of grate-shaped lower guide
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.
j. PCB cover (FN20)
1) Remove the seven screws [1], and remove the PCB cover [2].
k. Removal of inlet port feed unit
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 port feed unit
[5].
l. Removal of saddle unit (FN20)
1)
Disconnect the two connectors [1], and remove the harness
from the clamp [2] at three positions.
2)
Remove the harness from the clamps [2] at two positions on
the bottom of the delivery side.
[1]
[1]
[1]
[2]
[1]
[1]
[2]
[1]
[1]
[2]
[3]
[3]
[5]
[4]
[1]
[3]
[2]
MX-FN19  MAINTENANCE  4 – 22
3) Remove the two screws [4]. 
4) Remove the three screws [5].
5) Remove the saddle unit [6] from the paper feed side. 
CAUTION: When installing saddle unit, arrange so that the Mylar
[1] on the top of the saddle section is on the outside of
the feed guide plate [2]. If it is installed on the inside,
feed operation may be faulty. 
(4) Stitcher base unit (FN20)
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. 
b. Removal of saddle inlet front inside cover
1)
Remove the three screws [1], and remove the saddle inlet front
inside cover [2].
c. Removal of front inside upper cover
1)
Remove the four screws [1], and remove the front inside upper
cover [2].
[4]
[6]
[5]
[5]
[1]
[2]
[1]
[2]
[1]
[2]
[1]
[1]
[2]
[1]
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