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 – 17

1)

Open the cover.

2)

Pull out and remove the toner cartridge.

CAUTION: When assembling, do not push abruptly. Insert slowly

and horizontally with your hand on it until it is inserted to
the bottom.

CAUTION: Do not install a toner cartridge of a different color. Be

sure to install a toner cartridge of the same color.

1)

Open the front cover.

2)

Remove the screw, and remove the positioning shaft.

1

Toner cartridge

1

1

Development unit

1

MX-7040N  DISASSEMBLY AND ASSEMBLY  10 – 18

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: Remove the screw of the positioning unit. Check to con-

firm that the arrow marks of the positioning release but-
ton are aligned together, and push the positioning
release button to open the positioning unit.
If the operation is executed without aligning the arrow
marks of the positioning release button, the primary
transfer belt may be damaged.

4)

Release the lock, and pull out the developing unit and remove
it.

CAUTION: If the drum unit is abruptly inserted, developer may

splash. Insert slowly and horizontally by putting your
hand on it.

CAUTION: Always keep the DV unit with developer in it horizontal

when handling.
Since this unit employs the developer refresh method, if
the DV unit is tilted, developer may fall into the waste
toner transport section because of its structure.

1)

Remove the developing unit.

2)

Release the lock, and pull out the OPC drum unit and remove
it.

Note for installing the OPC drum unit
CAUTION: Fit the marks a shown below to insert.
CAUTION: Check that the bottom of the OPC drum unit is engaged

in the machine rail before insertion.

1

OPC drum unit

1

MX-7040N  DISASSEMBLY AND ASSEMBLY  10 – 19

1)

Open the front cover.

2)

Remove the screw, and remove the positioning shaft.

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.

1

Primary transfer unit

2

PTC  unit

3

Registration sensor unit

4

Secondary transfer unit

1

2

3

4

MX-7040N  DISASSEMBLY AND ASSEMBLY  10 – 20

CAUTION: Press the positioning release button securely before

opening the positioning unit.

4)

Remove the screw, and pull out the primary transfer unit and
remove it.

1)

Open the positioning unit.

2)

Remove the screw, and pull out the PTC unit.

1)

Remove the developing unit (BK).

2)

Remove the OPC drum unit (BK).

3)

Remove the primary transfer unit.

4)

Remove the PTC unit.

5)

Remove the PS unit.

6)

Disconnect the connector on the registration sensor. Remove
the screw, and remove the registration sensor unit.

1)

Open the right door unit.

2)

Remove the screw, turn the secondary transfer unit by 90

 to

remove it to the rear side.