Sharp MX-M623U / MX-M753U (serv.man7) Service Manual ▷ View online
MX-M753N MX-LCX3N 3 – 9
[When shifted to the front side]
When the print line is shifted from the center of paper in the direc-
tion A:
Increase the value.
Then make a copy to check that the center is not shifted.
When the print line is shifted from the center of paper in the direc-
tion A:
Increase the value.
Then make a copy to check that the center is not shifted.
[When shifted to the rear side]
When the print line is shifted from the center of paper in the direc-
tion B:
Decrease the value.
When the print line is shifted from the center of paper in the direc-
tion B:
Decrease the value.
Then make a copy again to check that the center is not shifted.
Repeat this procedure as required.
* For details of the adjustment and check procedures, refer to the
Repeat this procedure as required.
* For details of the adjustment and check procedures, refer to the
“[7] SETTING AND ADJUSTMENTS” in the Service Manual of
the main unit.
the main unit.
(2) Mechanical adjustment-1
Since the off-center adjustment has been made at shipping, there
is normally no need to adjust. If the center is shifted, however,
adjust with the simulation. If the shift is not recovered, perform the
following steps to adjust.
1)
is normally no need to adjust. If the center is shifted, however,
adjust with the simulation. If the shift is not recovered, perform the
following steps to adjust.
1)
Slowly pull out the paper feed base tray until it stops.
[When shifted to the front side]
When shifting the print line from the paper center in the arrow direc-
tion as shown below:
2) Loosen the blue off-center adjustment screws (each 2 pcs.), and
When shifting the print line from the paper center in the arrow direc-
tion as shown below:
2) Loosen the blue off-center adjustment screws (each 2 pcs.), and
move the side plate by the dimension shifted in the direction A
(R side), and tighten the blue screws.
(R side), and tighten the blue screws.
NOTE: Move the side plates by the same dimension on the front
side and the rear side.
3) Push the large capacity tray slowly into the original position.
Then make a copy again to check to insure that there is no more
shifet. Repeat this procedure as required.
shifet. Repeat this procedure as required.
R side
F side
Direction A
Center line of image (first image)
(Fig. 1)
R side
F side
Direction B
Center line of image (first image)
(Fig. 2)
MX-M753N MX-LCX3N 3 – 10
[When shifted to the rear side]
When shifting the print line from the paper center in the arrow direc-
tion as shown below:
2) Loosen the blue off-center adjustment screws (each 2 pcs.), and
When shifting the print line from the paper center in the arrow direc-
tion as shown below:
2) Loosen the blue off-center adjustment screws (each 2 pcs.), and
move the side plate by the dimension shifted in the direction B
(F side), and tighten the blue screws.
(F side), and tighten the blue screws.
NOTE: Note:Move the side plates by the same dimension on the
front side and the rear side.
3) Push the large capacity tray slowly into the original position.
Then make a copy again to check to insure that there is no more
shifet. Repeat this procedure as required.
shifet. Repeat this procedure as required.
(3) Mechanical adjustment-2
Since the regulation plates are adjusted when shipping, there is
basically no need to readjust. If, however, diagonal feed is poorly
operated, adjust the regulation plate width and the diagonal feed in
the following procedures:
basically no need to readjust. If, however, diagonal feed is poorly
operated, adjust the regulation plate width and the diagonal feed in
the following procedures:
a. Regulation plate width adjustment
1)
1)
Press the lock button on the front cabinet and lower the paper
feed base tray to the paper supply position. Pull out the large
capacity tray.
feed base tray to the paper supply position. Pull out the large
capacity tray.
2)
Set a sheet of paper on the paper feed base tray. Check that
the front regulation plate is at the marked center, and push it in
contact with the front regulation plate. Loosen the blue screw
of the rear regulation plate.
the front regulation plate is at the marked center, and push it in
contact with the front regulation plate. Loosen the blue screw
of the rear regulation plate.
3)
Use the mark of the rear regulation plate, and fix the blue
screw at the position so that the clearance between paper and
the rear regulation plate is evenly 1mm.
screw at the position so that the clearance between paper and
the rear regulation plate is evenly 1mm.
NOTE: The positions of the regulation plates are even to the right
and left marks.
1mm
MX-M753N MX-LCX3N 3 – 11
b. Diagonal feed adjustment
1)
1)
Press the lock button on the front cabinet and lower the paper
feed base tray to the paper supply position. Pull out the tray.
feed base tray to the paper supply position. Pull out the tray.
2)
Adjust the diagonal feed.
[In the case of diagonal feed 1]
Loosen the blue screw (A) on the front regulation plate.
Referring to the degree of diagonal feed, move the regulation
plate in the direction of (–) and fix the blue screw.
Loosen the blue screw (A) on the front regulation plate.
Referring to the degree of diagonal feed, move the regulation
plate in the direction of (–) and fix the blue screw.
[In the case of diagonal feed 2]
Loosen the blue screw (A) on the front regulation plate.
Referring to the degree of diagonal feed, move the regulation
plate in the direction of (+) and fix the blue screw.
Loosen the blue screw (A) on the front regulation plate.
Referring to the degree of diagonal feed, move the regulation
plate in the direction of (+) and fix the blue screw.
3)
Set a sheet of paper on the paper feed base tray and adjust
the regulation plate width. (Refer to "a. Regulation plate width
adjustment.")
* After completion of the adjustment, check that the front regu-
the regulation plate width. (Refer to "a. Regulation plate width
adjustment.")
* After completion of the adjustment, check that the front regu-
lation plate and the rear regulation plate are in parallel to
each other.
each other.
Diagonal feed 1
Diagonal feed 2
Transport
direction
direction
1
3
2
3
A
1
A
2
3
MX-M753N MX-CF10 4 – 1
MX-M753N
Service Manual
[4] MX-CF10
1. Unpacking
A. Removal of the inserter
1)
Remove the inserter.
2)
Remove the bundled items.
B. Removal of the fixing tape and protection
material
1)
Remove the tape and open the upper door.
2)
Remove the tape and remove the miramatte.
3)
Remove the tape and remove the fixing member.
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