DOWNLOAD Sharp MX-6240N / MX-7040N (serv.man29) Service Manual ↓ Size: 48.94 MB | Pages: 72 in PDF or view online for FREE

MX-7040N  DISASSEMBLY AND ASSEMBLY  10 – 21

1)

Remove the toner cartridge.

2)

Remove the developing unit.

3)

Remove the OPC drum unit.

4)

Remove the primary transfer unit.

5)

Remove the screw, and remove the front frame bottle cover.

1)

To remove only the hopper cover unit, remove the screw, pull
the cover toward the front side, and lift the right side of the unit
to remove.

CAUTION: When attaching the cover, insert the pawls (4 positions)

on the left side of the cover securely.

1)

Disconnect the connector (2 positions).

2)

Remove the screw (3 pcs.).

CAUTION: When removing the screw, be careful not to hit the drum

drive shaft.
If the drum shaft is bent by applying a stress to it, the
picture quality may be affected.

3)

Pull the unit to the front side, lift it upward, and remove the unit.

CAUTION: When attaching the unit, insert the boss at the back of

the pipe securely before tightening the screw.

4)

When a new unit is installed, execute HP_K - Y of SIM24-5 to
clear the remaining quantity counter.

5)

The hopper motor and the remaining quantity sensor can be
checked with SIM10-1 and 10-2.
When a new unit is installed, if the name of sensor correspond-
ing to SIM10-2 is highlighted in black, it may be connection fail-
ure of the connector.

1

Tone hopper unit

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MX-7040N  DISASSEMBLY AND ASSEMBLY  10 – 22

1)

Open the right lower door. Remove the waste toner bottle.

CAUTION: When removing the waste toner bottle or when attach-

ing the bottle cap, be careful of dirt on the waste toner
bottle.

CAUTION: Since the removed waste toner bottle is dirty, attach the

bottle cap to it and put in the package of the spare
waste toner bottle.

1)

Open the front cover.

2)

Remove the screw, and remove the positioning shaft.

1

Waste toner bottle

2

Positioning unit (Waste toner collection)

3

Waste toner transport unit

1

3

2

MX-7040N  DISASSEMBLY AND ASSEMBLY  10 – 23

3)

Remove the screw of the positioning unit. Check to confirm
that the arrow marks of the positioning release button are
aligned together, and push the positioning release button to
open the positioning unit.

CAUTION: When the power is turned OFF normally, the arrow

marks of the positioning release button are aligned. If,
however, the power is abruptly interrupted such as pull-
ing the power cord during operation, the arrow marks
may not be aligned. In such a case, turn the positioning
release button clockwise 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.

CAUTION: Press the positioning release button securely before

opening the positioning unit.

4)

Remove the front cover and the left cabinet.

5)

Remove the screw, and remove the cover.

6)

Remove the screw and the snap band and the E-ring and the
bearing, and remove the gear cover.

7)

Remove the screw, and remove the cover.

MX-7040N  DISASSEMBLY AND ASSEMBLY  10 – 24

8)

Close the positioning unit. Remove the screw, and open the
positioning unit again.

9)

Remove the screw, and remove the positioning unit.

CAUTION: When the positioning unit is installed, the hook of the

positioning unit is jumped by the spring. Therefore,
press the unit downward with your fingers to engage it
with the main body and install.

1)

Remove the LCC transport unit.

2)

Remove the positioning unit.

3)

Remove the snap band. Disconnect the connector from waste
toner transport unit. Remove the screw, and remove the waste
toner transport unit.

1)

Open the right door unit.

2)

Release the lock. Remove the screw, and pull out the fusing
unit to the right side.

3)

Lift the front side of the fusing unit, store the rail in the front
side, then hold the handle of the unit to remove.

Check to confirm that the fusing pressure is released.
If the pressure is not released, the fusing unit cannot be
removed.

1

Fusing unit

1