Sharp MX-7090N / MX-8090N (serv.man3) Service Manual ▷ View online
MX-8090N MX-7090N/8090N (MAIN UNIT) 2 – 4
3) Install the Panel (Packed item No.5) by fixing the screws
(Packed item No.14).
4) Arrange the wire and fix the screw as the figure below.
NOTE:
Handle the connectors with care not to make damage
to the connector when connecting.
NOTE:
Connect the connectors vertically to the PWB.
NOTE:
When arranging the cable, never twist it.
NOTE:
Handle the connectors with care not to make damage
to the connector by snagging them when wiring.
5) Install the Arm cover B (Packed item No.6) by fixing the screws
(Packed item No.14).
6) Install the Upper arm cover B (Packed item No.7) by fixing the
screws (Packed item No.14).
7) Install the Arm cover A by fixing the screws (Packed item
No.14).
8) Turn the operation panel to make the cabinet line straight and
Install the Arm cover R (Packed item No.8) as the figure below.
MX-8090N MX-7090N/8090N (MAIN UNIT) 2 – 5
9) Install the Upper arm cover (Packed item No.9) by fixing the
screw (Packed item No.14) and attach the screw cover
(Packed item No.10).
10) Install the Arm lower cover F (Packed item No.11) as the figure
below.
11) Install the Arm lower cover R (Packed item No.12) by fixing the
screw (Packed item No.15).
D. Attach the waste toner bottle
1) Open the right lower door.
2) Attach the waste toner bottle (Packed items).
2) Attach the waste toner bottle (Packed items).
3) Close the right lower door.
E. Developing (each color) installation
NOTE:
Do not touch the developer with oily fingers.
1) Open the front cover.
2) Remove the screw, and remove the positioning shaft.
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MX-8090N MX-7090N/8090N (MAIN UNIT) 2 – 6
3) Remove the screw of the positioning unit. Check to confirm
that the arrow marks of the positioning release button are
aligned together, and press the positioning release button to
open the positioning unit.
NOTE:
NOTE:
If the arrow marks of the positioning release button are
not aligned, turn the positioning release button clock-
wise to align the arrow marks.
If the operation is executed without aligning the arrow
marks of the positioning release button, the primary
transfer belt may be damaged.
NOTE:
Press the positioning release button, then open the
positioning unit.
4) Remove the connector.
5) Release the lock, and pull out and remove the developer unit.
6) Remove the screw, and remove the DV cover.
7) Infuse the developer in the DV unit.
NOTE:
When supplying developer, rotate the coupling pulley
in the DV unit rear side in the arrow direction during
the operation.
NOTE:
Keep the DV unit with developer in it horizontally.
Since this unit employs the trickle development
method, if the DV unit is tilted, developer may fall into
the waste toner transport section because of its struc-
ture.
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MX-8090N MX-7090N/8090N (MAIN UNIT) 2 – 7
8) Attach the DV cover, and fix the screw.
Note for attaching the DV cover
When attaching the DV cover, be careful of the following items:
NOTE:
When attaching the DV cover, be careful of the following items:
NOTE:
Insert the convex portion in the angle shown below.
NOTE:
Turn the cover to attach.
NOTE:
Check to confirm that three convex portions are
securely engaged.
9) Shake the developer unit horizontally a few times.
10) Insert the developer unit, and locked.
NOTE:
When installing, do not insert forcibly, but insert slowly
and horizontally by putting your hand on it.
11) Connect the connector.
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