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MX-M503N  MX-PUX1  19 – 1

MX-M503N

Service Manual

 

<Note before installation>
To enable XPS, an expansion memory (MX-SMX3) must be
installed.
To install an expansion memory, refer to the descriptions of "[18]
MX-SMX3" on this Installation manual.

1)

To enable XPS, enter the product key by the key operation of
the copier machine.
a)

Press the system setting key on the operation panel.

b)

Select page 2/2 of the system setting, and touch [Product
key input] key.

c)

Touch the input column.

d)

Enter the product key with numeric key (10-key), and
touch [Registration] key.

2)

After completion of entry of the product key, turn OFF the
power switch on the operation panel. Turn OFF the main
power switch, then turn ON the power switch and the main
power switch again.

3)

Use the CD-ROM packed together with the machine to install
the XPS driver.
For installing procedures, refer to the software setup guide.
Installation of the driver must be performed by the user or the
serviceman with assistance or the user.

1

CD-ROM

1

2

Operation manual

1

3

Product key sheet

1

1

2

3

APPLICATION
NUMBER

MACHINE
SERIAL
NUMBER

PRODUCT
KEY

Please keep below important information.
This information will use for other products.

MX-M503N  MX-SMX3  20 – 1

MX-M503N

Service Manual

 

1)

Turn the power switch located on the operation panel to the
"OFF" position.

2)

After checking that the operation panel has gone out, open the
front cabinet and turn the main power switch to the "OFF" posi-
tion.

3)

Remove the power plug of the main unit from the outlet.

• If cables are connected to the control PWB unit, remove all

1)

Push the location indicated in the illustration to unlock, and
remove the ozone filter cover from the right cabinet rear.

2)

Remove the screw from the right cabinet rear.

3)

Remove the right cabinet rear.

4)

Remove the two screws from the control PWB unit.
• If the fax box unit is installed, carry out steps 5), 6), and

5)

Pull out the control PWB unit and remove the snap band.

6)

Remove the interface cable from the frame.

7)

Remove the connector.

8)

Pull out and remove the control PWB unit.

1)

Install an expansion memory board to the DIMM1 slot of the
MFPC PWB.

* Note for installation
a)

Insert the expansion memory board into the slot diago-
nally from above.

NOTE: When handling an expansion memory board, be 

careful not to touch the terminals.

1

Expansion memory board

1

1

3

2

4

4

5

8

6

7

5

DIMM1

MX-M503N  MX-SMX3  20 – 2

NOTE: Avoid diagonal insertion of the expansion memory 

board for the slot.

NOTE: Do not push one end of the expansion memory 

board by one hand.

b)

Hold the both ends of the expansion memory board with
both hands, and put down the expansion memory so that
it is vertical to the PWB.
At that time, check to confirm that the hooks on the left
and the right sides of the slot are securely locked.

• If the fax box unit is installed, carry out steps 1), 2), and 3)

1)

Connect the interface cable to the control PWB unit.

2)

Push the interface cable into the recessed portion of the sheet
metal on the control PWB unit.

3)

Attach the snap band to the sheet metal of the control PWB
unit.

4)

Push the control PWB unit into the main unit.

5)

Secure the unit with the two screws.

• If the fax box unit is installed, carry out step 6) addition-

6)

Fit the interface cable into the right cabinet rear cover.

7)

Attach the right cabinet rear cover to the main unit.
At this time, check that the four hooks are properly fitted to the
main unit.

8)

Secure the right cabinet rear with the screw.

9)

Attach the ozone filter cover to the main unit.

• Reconnect the cables that have been removed in step B to

1)

Insert the power plug of the main unit to the outlet.

1

2

3

Hook 1 Hook 2

Hook 3

Hook 4

6

8

7

MX-M503N  MX-SMX3  20 – 3

2)

Turn on the main power switch.

3)

Turn on the power switch located on the operation panel.