Sharp MX-M623U / MX-M753U (serv.man7) Service Manual ▷ View online
MX-M753N MX-LCX3N 3 – 5
<3> Check the height of "D.-1)". If the height is not proper, go
to <2>. If the height is proper, install the positioning plates
to the front and the rear sides and fix them with the fixing
screws B (1 for each side).
F side
to the front and the rear sides and fix them with the fixing
screws B (1 for each side).
F side
R side
<1> Loosen the caster screw in the lower section of the LCC
right side.
<2> Turn the adjuster to lower the LCC right side.
<3> Tighten the caster screw.
<3> Tighten the caster screw.
Right side
<4> Check the height of “D.-1)”. If the height is not proper,
separate the LCC (the procedure is described later) and
go to “b”. If the height is proper, install the positioning
plates to the front and the rear sides with fixing screws B.
go to “b”. If the height is proper, install the positioning
plates to the front and the rear sides with fixing screws B.
F side
R side
2)
Check to confirm that the upper section of the LCC left side is
locked. After checking, lower the adjuster on the lower section
of the LCC right side until it does not rotate.
Locked state
locked. After checking, lower the adjuster on the lower section
of the LCC right side until it does not rotate.
Locked state
Adjuster section
c. If the upper section of the LCC left side is locked first
and the positioning plate cannot be inserted
and the positioning plate cannot be inserted
Since the LCC can shift due to the weight of the
paper when closing the tray, ensure that the
adjusters are securely touching the floor.
paper when closing the tray, ensure that the
adjusters are securely touching the floor.
MX-M753N MX-LCX3N 3 – 6
• When the upper side is not locked
Raise the adjuster on the lower side of the LCC right side until
the hole shown in the figure below comes at the center, and
check that it is locked.
* If lock is incomplete, when the power switch is turned on, the
message, “Check installation of tray 5” is displayed on the
operation panel.
Raise the adjuster on the lower side of the LCC right side until
the hole shown in the figure below comes at the center, and
check that it is locked.
* If lock is incomplete, when the power switch is turned on, the
message, “Check installation of tray 5” is displayed on the
operation panel.
3)
Check that the right caster section is grounded.
Loosen two screws on the lower side of the LCC right side,
ground the caster on the floor, and tighten the screws.
Loosen two screws on the lower side of the LCC right side,
ground the caster on the floor, and tighten the screws.
4)
Installation of the left front cabinet
Engage the pawls of the left front cabinet with the five square
holes in the left front side of the LCC, and press the left front
cabinet and fix with the fixing screw C (1 pc).
Engage the pawls of the left front cabinet with the five square
holes in the left front side of the LCC, and press the left front
cabinet and fix with the fixing screw C (1 pc).
[How to separate the LCC from the machine]
1)
Remove the left front cabinet of the LCC.
2)
Remove the positioning plate installed to the front and the rear
sides of the left lower side of the LCC.
F side
sides of the left lower side of the LCC.
F side
R side
3)
Raise the adjuster installed to the front and the rear sides of
the lower section of the LCC right side.
the lower section of the LCC right side.
4)
Push the resin cover beneath the lock section on the top of the
left side of the LCC and shift the LCC to the right. Release the
top lock.
left side of the LCC and shift the LCC to the right. Release the
top lock.
F
MX-M753N MX-LCX3N 3 – 7
5)
Shift the LCC to the right to separate.
E. Connect the connector of the large capacity
tray.
1)
Remove the screw from the connector cover on the main unit
and then remove the connector cover.
and then remove the connector cover.
2)
Connect the large capacity tray interface harness connector to
the main unit connector, and tighten the connector screw to fix
the connector.
the main unit connector, and tighten the connector screw to fix
the connector.
F. Select the paper size.
1)
Slowly pull out the paper feed base tray until it stops.
2)
Side plate size changeover
<1> Loosen the blue screws on the front and the rear side of
<1> Loosen the blue screws on the front and the rear side of
the LCC, and slide the handle section to the neutral
position.
position.
<2> Move the side plate to the desired paper size position.
<3> Slide the handle to the desired paper size position, and
lock it and tighten the blue screw.
3)
Rear edge plate size changeover
<1> Limit movable area of the rear edge plate according to the
<1> Limit movable area of the rear edge plate according to the
maximum size of paper.
Remove the step screw of the mark B position, install that
step screw to the mark A position.
Remove the step screw of the mark B position, install that
step screw to the mark A position.
<2> Lift the screw at the top of the rear edge plate and shift it
to the desired paper size position.
A
B
MX-M753N MX-LCX3N 3 – 8
<3> Insert the lead edge of the movable shaft into the hole in
the lower section of the rear edge plate with the upper
lever, and lock the rear edge plate to the desired paper
size position.
lever, and lock the rear edge plate to the desired paper
size position.
4)
Push the large capacity tray slowly into the original position.
G. Turn on the power of the main unit
1)
Insert the power plug of the main unit into the power outlet.
2)
Open the front cabinet.
Turn ON the power switch in the front cabinet of the main unit.
Turn ON the power switch in the front cabinet of the main unit.
3)
Turn ON the power switch on the operation panel.
H. Set the size.
1)
Check to insure that the main body is standby state, and press
the [System setting] key on the operation panel.
the [System setting] key on the operation panel.
2)
Menu screen is displayed on the touch panel. Select the
[Paper Tray Settings].
[Paper Tray Settings].
3)
Select the paper size of LCC from contents of [Paper Tray Set-
tings].
tings].
I. Carry out the print off center adjustment
(1) Adjustments with simulations
Since the off-center adjustment has been made at shipping, there
is normally no need to adjust. If, however, the center is shifted,
carry out the following steps to adjust.
1)
is normally no need to adjust. If, however, the center is shifted,
carry out the following steps to adjust.
1)
Set a test chart (document) on the document table properly.
2)
Execute SIM 50-10 (Print off center) by the key operation of
the main unit.
the main unit.
3)
In SIM 50-10, the display is shown as follows to allow setting of
the print off center adjustment value for each paper feed tray.
the print off center adjustment value for each paper feed tray.
ON
Display/Item
Content
Setting
range
De-
fault
A BK-MAG
Main scan print magnification ratio
BK
BK
60 -
140
140
100
B MAIN-MFT
Print off center adjustment value
(Manual paper feed)
(Manual paper feed)
1 - 99
50
C MAIN-CS1
Print off center adjustment value
(Tray 1)
(Tray 1)
1 - 99
50
D MAIN-CS2
Print off center adjustment value
(Tray 2)
(Tray 2)
1 - 99
50
E MAIN-CS3
Print off center adjustment value
(Tray 3)
(Tray 3)
1 - 99
50
F MAIN-CS4
Print off center adjustment value
(Tray 4)
(Tray 4)
1 - 99
50
G MAIN-LCC
Print off center adjustment value
(LCC)
(LCC)
1 - 99
50
H MAIN-ADU
Print off center adjustment value
(ADU)
(ADU)
NOTE:
Before execution of this
adjustment, check to
insure that the adjustment
items A - G have been
properly adjusted. If not,
this adjustment cannot be
made properly.
adjustment, check to
insure that the adjustment
items A - G have been
properly adjusted. If not,
this adjustment cannot be
made properly.
1 - 99
50
I
SUB-MFT
Registration
motor ON
Timing
adjustment
motor ON
Timing
adjustment
Manual paper feed
1 - 99
50
J
SUB-CS12
Standard tray
1 - 99
50
K SUB-CS34
DESK
1 - 99
50
L
SUB-LCC
LCC
1 - 99
50
M SUB-ADU
ADU
1 - 99
50
N MULTI
COUNT
Number of print
1 - 999
1
O PA-
PER
MFT Tray
selection
Manual paper feed
1 - 6
1
2
(CS1)
CS1
Tray 1
2
CS2
Tray 2
3
CS3
Tray 3
4
CS4
Tray 4
5
LCC
LCC
6
P DUP-
LEX
YES
Duplex print
selection
selection
Yes
0 - 1
0
1
(NO)
NO
No
1
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