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Model
MX-M363N MX-M363U MX-M503N MX-M503U (serv.man18)
Pages
117
Size
19.34 MB
Type
PDF
Document
Service Manual
Brand
Device
Copying Equipment / June 10
File
mx-m363n-mx-m363u-mx-m503n-mx-m503u-sm18.pdf
Date

Sharp MX-M363N / MX-M363U / MX-M503N / MX-M503U (serv.man18) Service Manual ▷ View online

MX-M503N  MX-M283N/M363N/M363U/M453N/M453U/M503N/M503U/M282N/M362N/M452N/M502N  1 – 2
(2) Dust
If dust enters the machine, it may cause dirty copy and a paper
jam, resulting in a shortened lifetime.
(3) Direct rays of the sun
If the machine is installed under the rays of the sun, the exterior of
the machine may be discolored and abnormal copies may be pro-
duced.
(4) Gases and chemicals
Do not install the machine at a place where there are gases and
chemicals. Especially be careful to avoid installation near a diazo-
type copier, which produces ammonium gas.
Copy quality may be adversely affected and a trouble may be
caused.
(5) Vibration
Avoid installation near a machine which produces vibrations.
If vibrations are applied to the copier machine, copy images may be
deflected and a trouble may be caused.
F. Note for handling PWB and electronic parts
When handling the PWB and the electronic parts, be sure to
observe the following precautions in order to prevent against dam-
age by static electricity.
1)
When in transit or storing, put the parts in an anti-static bag or
an anti-static case and do not touch them with bare hands.
2)
When and after removing the parts from an anti-static bag
(case), use an earth band as shown below:
• Put an earth band to your arm, and connect it to the
machine.
• When repairing or replacing an electronic part, perform the
procedure on an anti-static mat.
MX-M503N  MX-M283N/M363N/M363U/M453N/M453U/M503N/M503U/M282N/M362N/M452N/M502N  1 – 3
: '10/Jun/18
1
G. Note for handling the drum unit, the transfer 
unit, the developing unit, and the fusing unit
When handling the OPC drum unit, the transfer unit, and the devel-
oping unit, strictly observe the following items.
If these items are neglected, a trouble may be generated in the
copy and print image quality.
(Drum unit)
1)
Avoid working at a place with strong lights.
2)
Do not expose the OPC drum to lights including interior lights
for a long time.
3)
When the OPC drum is removed from the machine, cover it
with light blocking material. (When using paper, use about 10
sheets of paper to cover it.)
4)
Be careful not to attach fingerprints, oil, grease, or other for-
eign material on the OPC drum surface.
(Transfer unit)
1)
Be careful not to attach fingerprints, oil, grease, or other for-
eign material on the transfer roller.
(Developing unit)
1)
Be careful not to attach fingerprints, oil, grease, or other for-
eign material on the developing unit.
(Fusing unit)
1)
Be careful not to put fingerprints, oil, grease, or other foreign
material on the fusing roller and the external heating belt.
2)
Do not leave the fusing roller in contact state for a long time.
2.  Transit and delivery
A. Implements, facility, and manpower
It is recommendable to use a forklift for bringing in the machine for
safety.
If no forklift is available, man-power of two persons is required. The
machine is considerably heavy, and requires safety precautions for
delivery and installation.
Transit of the machine must be made in packed condition to the
installing place.
Since the hard disk drive is built in the machine, use care not to
exert vibrations or shocks to the machine when in transit.
B. Delivery
Remove the packing materials prior to installation in the office envi-
ronment.
3.  Unpacking
A. Unpacking procedure
1)
Remove the PP band.
2)
Remove the internal packing pads with the machine.
B. Removal of the fixing tape, protection material 
and parts packed together
• MX-M283N/M363N/M363U/M453N/M453U/M503N/M503U
No.
Content
Method
1
Implements, facility, 
and man power
Use a forklift. (If no forklift is available, 
manpower of two persons is required.) 
2
Delivery
Transit must be made in packed condition.
1
MX-M503N  MX-M283N/M363N/M363U/M453N/M453U/M503N/M503U/M282N/M362N/M452N/M502N  1 – 4
: '10/Jun/18
1
• MX-M282N/M362N/M452N/M502N
C. Check the parts packed together
1)
Check that all the parts are in the package.
* Expect Europe.
4.  Installation
<Note before installation>
* When connecting the main unit with the optional STAND/1 X 500
SHEET PAPER DRAWER (MX-DEX8) or STAND/2 X 500
SHEET PAPER DRAWER (MX-DEX9), first unpack and install
the MX-DEX8 or MX-DEX9; then unpack the main unit and
securely place the main unit on the MX-DEX8 or MX-DEX9
before installing the main unit.
A. Lock release
(1) Tray rotation plate lock release
1)
Pull out the tray, and remove the rotation plate fixing material
and the tray note label.
2)
Attach the removed fixing material to the position shown in the
figure for storage.
(2) Scanner (2/3 mirror unit) lock release
1)
Remove the optical unit fixing screw, and remove the note
label.
NO.
Parts name
Quantity
1
Paper exit full detection actuator
1
2
Paper holding plate unit
1
3
Operation manual
1
4
Operation manual pocket
1
1
1
1
3
4
2
MX-M503N  MX-M283N/M363N/M363U/M453N/M453U/M503N/M503U/M282N/M362N/M452N/M502N  1 – 5
: '10/Jun/18
1
(3) Removal of the fusing heat roller protector
(4) Install the paper exit cover unit
* Europe only. For except Europe, progress to the procedure of B.
* If the MX-FNX9 (Inner Finisher) or the MX-RBX3 (Interface Unit)
is installed when installing the main unit, do not install the paper
holding plate unit and the paper exit full detection actuator.
1)
Install the paper exit tray, and fix the screw.
2)
Install the paper exit tray cover.
3)
Remove the screw, and remove the inlet cover.
B. Developer supply
Be careful not to put fingerprints or oil dirt on the roller surface.
Do not hold the case adjacent to the DV roller strongly.
1)
Open the front cabinet, and remove the waste toner box.
2)
Remove the fixing screw of the developing unit, and pull out
the developing unit.
3)
Remove two screws. Remove the DV cover.
4)
While supplying developer from the developer supply port of
the developing unit, turn the MC gear counterclockwise by
using long-nose pliers to supply all developer to the developing
unit.
* Before opening the developer bag, shake the bag to mix
toner and developer in the bag, and then supply developer
to the developing unit.
5)
Attach the DV cover to the machine.
* Check to confirm that the pawl is securely engaged.
6)
Insert the developing unit into the machine, and fix it with the
blue screw.
7)
Install the waste toner box.
1
Inlet cover
Page of 117
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