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MX-M503N  MX-PNX1  5 – 4

1)

Attach the label to the position indicated in the figure.
[For scanner] (Part No. 13 in the package of the MX-FNX9)

[For DSPF/RSPF] (Part No. 14 in the package of the MX-
FNX9)

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.

3)

Turn ON the power switch on the operation panel.

Second label

Corner R end fitting

Lose the
clearance.

First label

Label attachment

reference
Corner of the "upper

cabinet rear"

Corner R end fitting

1mm

1mm

1mm

1mm

DSPF

RSPF

MX-M503N  MX-RBX3  6 – 1

MX-M503N

Service Manual

 

1)

Remove the fixing tape.

1)

Check that all the items are included in the package.

<Note before installation>
* Before starting installation, check to insure that the data lamp on

the operation panel does not light up or blink.

1)

Turn OFF the power switch on the operation panel.

2)

Open the front cabinet.
Turn OFF the power switch in the front cabinet of the main unit. 

3)

Disconnect the power plug of the main unit from the power out-
let.

1

Right cover plate

1

2

Interface left cabinet

1

3

Reverse tray

1

4

Fixing screw A

6

5

Resin clip

1

6

Reverse detection actuator

1

7

Front cabinet upper C

1

MX-M503N  MX-RBX3  6 – 2

: '10/Jun/18

1)

Disengage the pawl, and remove the paper holding plate and
the paper holding plate holder together as a unit.
* Be careful to remove both of the paper holding plate (which

is easily removed alone) and the paper holding plate holder.

1)

Open the front cabinet. Remove the screws, and remove the
front cabinet upper.

2)

Disengage the pawls, and remove the paper exit tray cover.

3)

Remove the screws, and remove the paper exit tray.
* When removing the paper exit tray, there is no need to

remove the screws in the section (A).

4)

Remove the paper exit full detection actuator (A), and install
the reverse detection actuator (B) (package part No. 6).
* Be careful of the installing direction of the reverse detection

actuator.

5)

Engage the projection of the main unit frame with the hole in
the right cover plate (package part No. 1), and install the right
cover plate and fix it with the fixing screw A (package part No.
4).

* Be sure to clamp and fix the paper exit tray shifter side plate

with the fixing guide.

MX-M503N  MX-RBX3  6 – 3

6)

Insert the rib of the interface left cabinet (package part No. 2)
into the slit on the lower surface of the scanner left cabinet.
Install the interface left cabinet with the fixing screw A (pack-
age part No. 4) of the paper exit tray which was removed in
procedure 4).

7)

Insert the reverse tray (package part No. 3) along the groove in
the interface left cabinet and the top surface of the right cover
plate.
* When inserting the reverse tray, check to insure that the

switch guide of the reverse tray is up.

8)

Fix the reverse tray with the resin clip (package part No. 5).

9)

Remove the front connection cabinet from the front cabinet
upper, and attach it to the front cabinet upper C (package part
No. 7).

10) Install the front cabinet upper C unit, and fix with the screws.

11) Insert the interface pass unit along the guide rail.

12) Fix the interface pass disconnection preventing lever with the

fixing screw A (package part No. 4).

13) Go to the saddle finisher installing procedure.