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MX-7000N  LSU SECTION  i – 3

There is the LSU serial label on the LSU fan side.

• Unit is different in each model of 55 or 62 or 70 sheets.

1)

Remove the left cabinet. (Refer to the "[A] EXTERNAL OUT-
FIT".)

2)

Remove the screws (A), and remove the left plate (B).

3)

Loosen the screws (C), and remove the screw (D). Remove
the screw (E), and remove the fixing plate (F). Remove the
snap band (G), and disconnect the connectors (H) and shift it
to the rear side, and remove the LSU (I) so that slide it to rear
side.
* When installing, insert the shaft (J) to cut-out portion of the

skew adjuster (K).

* After installing the LSU, be sure to check the condition of

skew image. Carry out the adjustment according to neces-
sity.

A

LSU

i - 3

B

Others

i - 7

1

LSU

a

Dust-proof glass

{

i - 3

b

LSU CNT PWB

–

i - 4

c

LSU cooling fan motor

–

i - 5

d

Polygon motor

–

i - 5

e

LSU thermistor 2

–

f

LSU thermistor 1

–

i - 6

1

LSU

MODEL LSU CD UN 70

00000000

MODEL LSU CD UN 62

00000000

MODEL LSU CD UN 50

00000000

1

LSU

a

Dust-proof glass

{

MX-7000N  LSU SECTION  i – 4

1)

Open the front cabinet (A).

2)

Remove the claning rod (B).

3)

Check the dirt of the cleaning base (C) (tip of the cleaning rod).
* When cleaning base is dirty, replace it. (Refer to the "B. Oth-

ers".)

4)

Insert the cleaning rod (B) in the hole which cleaning is
required so that the cleaning base is made downward slowly.

5)

Insert the cleaning rod (B) all the way and slide it back and
forth a few times for cleaning.

6)

Clean all the cleaning holes (D) (4-positions) on the dustproof
glass.
* When the cleaning base became extremely dirty, replace it.

(Don't cleaning use dirty cleaning base other dustproof
glasses.)

1)

Remove the left cabinet. (Refer to the “[A] EXTERNAL OUT-
FIT”.)

2)

Remove the LSU. (Refer to the "(1) LSU".)

3)

Remove the screws (A), and remove the earth wire (B).
Remove the cover (C).
* When installing the cover (C), engage the pawls (D) to cover

lower (E). At this time be careful it bite the wire.

1

LSU

b

LSU CNT PWB

MX-7000N  LSU SECTION  i – 5

4)

Disconnect the connectors (F), and remove the screws (G)
and the screw (H), and remove the LSU CNT PWB (I).
* When installing, first of all install the screw (H).
* When installing, engage the PWB to the pawl (J).

1)

Remove the left cabinet. (Refer to the “[A] EXTERNAL OUT-
FIT“)

2)

Remove the LSU. (Refer to the "(1) LSU".)

3)

Remove the screws (A), and remove the earth wire (B).
Remove the cover (C).
* When installing the cover (C), engage the pawls (D) to cover

lower (E). At this time be careful it bite the wire.

4)

Remove the screws (F), and remove the cover (G).
* When removing the cover (G), be careful to work place and

method, to don't enter the dust into the unit. Trouble (image
not fully etc.) may occur.

* When installing the cover, lock the pawl (H).

5)

Disconnect the connector (I). Remove the molt (J), and
remove the LSU cooling fan motor (K).
* When installing, point at the direction of outside with the

arrow (L).

1)

Remove the left cabinet. (Refer to the “[A] EXTERNAL OUT-
FIT”.)

2)

Remove the LSU. (Refer to the "(1) LSU".)

1

LSU

c

LSU cooling fan motor

1

LSU

d

Polygon  motor

e

LSU thermistor 2

MX-7000N  LSU SECTION  i – 6

3)

Remove the screws (A), and remove the earth wire (B).
Remove the cover (C).
* When installing the cover (C), engage the pawls (D) to cover

lower (E). At this time be careful it bite the wire.

4)

Remove the screws (F), and remove the cover (G).
* When removing the cover (G), be careful to work place and

method, to don't enter the dust into the unit. Trouble (image
not fully etc.) may occur.

* When installing the cover, lock the pawl (H).

5)

Disconnect the connector (I), and remove the screws (J), and
remove the polygon motor (K). Disconnect the connector (L).
* When disassembling, be careful to drop the screw (etc.)

inside the LSU.

* Don't touch the cover glass surface (M) of polygon motor.

6)

Loosen the screw (N), and remove the LSU thermistor 2 (O).
Disconnect the connector (P).
* When disassembling, be careful to drop the screw (etc.)

inside the LSU.

1)

Remove the left cabinet. (Refer to the “[A] EXTERNAL OUT-
FIT”.)

2)

Remove the LSU. (Refer to the “(1) LSU”.)

3)

Remove the screws (A), and remove  the earth wire (B) and
cover (C).

1

LSU

f

LSU thermistor 1