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MX-C401  MX-NSX1 (NETWORK SCANNER KIT)  14 – 1

MX-C401

Service Manual

 

<Note before installation>
• To enable the network scanner function, the product key must be

acquired.

• For the models in which the printer and the network function can-

not be used, the expansion memory board must be installed in
advance. (Refer to the Operation Manual attached to the
machine and the Service Manual.)

1)

To enable the network scanner function, enter the product key
by the key operation of the operation panel.
a) Touch [Product Key].
b) Enter the product key with the 10-key, and touch [Enter] key.

2)

After completion of the product key entry, turn OFF the power
switch and the main power switch of the machine, and turn
them ON again.

1)

Perform Scan to Desktop to check the operation of the network
scanner function.

2)

Use the included CD-ROM (package part No. 1) to install the
software program of "Sharpdesk/Network Scanner Tool."
For the installing procedures, refer to the installation guide
(pakage part No. 3) included in the package. (For details, refer
to the installation guide in the included CD-ROM.)
* Installation and setup of the software program to the PC

must be performed by the user or by the serviceman under
consultation with the user.

3)

Set the destination profile by referring to the contents of the
Network Scanner Tool User’s Guide in the included CD-ROM,
and send image data. Check that the image data are properly
received.

1

CD-ROM

2

2

Product key sheet

1

3

Installation guide

1

MX-C401  DEHUMIDIFIER HEATER KIT (SERVICE PARTS) FOR THE MAIN UNIT  15 – 1

MX-C401

Service Manual

 

<Note before installation>
Start installation after checking that the LINE indicator and the
DATA indicator below it on the operation panel are neither lit nor
blinking.

1)

Turn OFF the power switch on the operation panel.

2)

Check to confirm that the operation panel is turned OFF, and
then turn OFF the power switch.

3)

Disconnect the power plug from the power outlet.

1)

Remove five screws from the rear cabinet.

2)

Release the locks at the bottom.

3)

Remove the rear cabinet from the machine.

1

Dehumidifier heater unit

CPLTM7785FC51

1

CPLTM7785FC52

1

2

Heater switch label EX Pa

TLABZ5256FCZZ

1

TLABZ5256FCZZ

1

3

"Caution: HOT" label

TLABZ5459FCZZ

1

TLABZ5459FCZZ

1

4

WH harness

DHAI-4367FCPZ

1

DHAI-4367FCPZ

1

5

Saddle

LHLDW1970FCPZ

1

LHLDW1970FCPZ

1

6

Dehumidifier heater switch

QSW-C9294QCZZ

1

QSW-C9294QCZZ

1

7

WH PWB

CPWBF1858FC31

1

CPWBF1858FC32

1

8

PWB Mylar sheet

PSHEP0620FCPZ

1

PSHEP0620FCPZ

1

9

PWB 

supporter

LSUPP0117FCZZ 3

LSUPP0117FCZZ 3

10

M3 x 6 screw

XHBS730P06000

1

LBNDJ0037FCZ1

2

11

WH earth harness 200

DHAI-4390FCPZ

1

12

M3 x 8 screw

XBPS730P08KS0

1

MX-C401  DEHUMIDIFIER HEATER KIT (SERVICE PARTS) FOR THE MAIN UNIT  15 – 2

1)

Insert three PWB supporters (No.9) into the paper feed drive
unit.
* Insert the lead edge with flange into the metal plate.

2)

Insert the PWB Mylar sheet (No.8) into the PWB supporter.

3)

Insert the WH PWB (No.7) into the PWB supporter.
Check to confirm that the PWB supporter hook is securely
engaged with the WH PWB.

4)

Insert the saddle (No.5) into the WH PWB.

1)

Attach the WH harness to the wire saddle. (4 positions)

2)

Connect the connector. (4 positions).

3)

Pass the WH harness under the metal plate and extend it out
from the square hole in the metal plate.

1)

Attach the dehumidifier heater switch to the connector.
* Since there is no designation for polarity, insert into any ter-

minal.

* Insert fully to the bottom until it clicks.

2)

Insert the dehumidifier heater switch into the square hole in the
metal plate.
* Insert so that the connecter connected to the dehumidifier

heater switch is on the right side when viewed from the rear.

1)

Remove the protection Mylar from the dehumidifier heater unit.

2)

Install the WH earth harness 200 to the plate of the dehumidi-
fier heater unit with the M3 x 6 screw (No. 10).
In this case, use care so that the terminals of the WH earth
harness 200 do not extend from the edges of the plate.

3)

Install the protection Mylar which was removed in the proce-
dure 1).
In this case, pass the harness of the dehumidifier heater unit
and the WH earth harness 200 through the square hole of the
protection Mylar.

MX-C401  DEHUMIDIFIER HEATER KIT (SERVICE PARTS) FOR THE MAIN UNIT  15 – 3

1)

Pull out the paper tray, and pass the harness of the dehumidi-
fier heater through the hole in the upper section of the lift-up
unit.
For the 200V series, pass the WH earth harness 200 through
the hole in the upper section of the lift-up unit.

2)

Engage the pawls of the dehumidifier heater unit with the
square holes (4 positions) in the metal plate of the main unit.

3)

Fix the dehumidifier heater installation plate FT with the M3 x 6
screw (No.10).
* At that time, arrange so that the rear section of the dehumid-

ifier heater installation plate FT is on the lift-up unit.

4)

Pass the harness of the dehumidifier heater through the wire
saddle.

5)

Connect the connector of the dehumidifier heater harness to
CN3 of the WH PWB.

6)

Pass the WH earth harness 200 through three clamps of the
machine. (200V series only)

7)

Fix the terminal of the WH earth harness 200 to the machine
frame with the M3 x 8 screw (No. 12).

1)

Insert a tester between pin 1 and pin 3 of CN3 of the WH PWB,
and check to confirm that the resistance is as shown below.
120V series: 2.304K

 - 3.456K

230V series: 4.232K

 - 6.348K

Lift up unit

200V Only