MX-B381, MX-B401 (serv.man8). INSTALLATION MANUAL - Sharp Copying Equipment Service Manual (repair manual). Page 42

MX-B381/B401  DEHUMIDIFIER HEATER KIT (SERVICE PARTS) FOR THE MAIN UNIT  13 – 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 connector 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.