Sharp MX-5500N / MX-6200N / MX-7000N (serv.man61) Service Manual ▷ View online
MX-7000N PHOTOCONDUCTOR SECTION J – 7
* When attaching, position it within the specified range shown
from the reference line in the figure below.
6)
Remove the screws (D), and remove the cleaner blade (CL)
(E) and the toner mixing sheet (F).
* When installing screw (D), install the screw to the hole
(E) and the toner mixing sheet (F).
* When installing screw (D), install the screw to the hole
shown with mark of arrow in the order of numeral (1, 2, 3)
mark.
mark.
B. OPC drum unit (BK)
(1) OPC drum unit (BK)
1)
Remove the development unit (BK). (Refer to the "[L] DEVEL-
OPING SECTION".)
OPING SECTION".)
2)
Remove the Charge unit (BK). (Refer to the "a. Charge unit
(BK)".)
(BK)".)
3)
Hold the handle part, and remove the OPC drum unit (BK) (A).
0 - 0.5mm
0 - 0.5mm
0 - 0.5mm
0 - 0.3mm
0 - 0.3mm
0 - 0.3mm
Reference
line
line
Reference line
Reference line
Reference line
Reference line
3
2
1
D
D
D
E
F
1-f
1-g
Unit
Parts
Mainte
nance
Page
1
OPC drum
unit (BK)
unit (BK)
a
Charge unit (BK)
▲
J - 8
b
Drum (BK)
▲
J - 8
c
Side seal F (BK)
✕
d
Side seal R (BK)
✕
e
Discharge lamp (K)
✕
{
f
Cleaner blade (BK)
▲
J - 9
g
Cleaning brush (BK)
✕
J -10
h
Charger cleaner HP
detection
detection
–
J -11
i
Sub blade
▲
J -12
Unit
1
OPC drum unit (BK)
1
1-b
1-e
1-g
1-f
1-h
1-d
1-a
1-c
1-i
1
A
1
MX-7000N PHOTOCONDUCTOR SECTION J – 8
a. Charge unit (BK)
1)
Open the front cabinet (A).
2)
Open the cover (B) of the charge unit (BK). Loosen the screw
(C), and remove the Charge unit (BK) (D).
(C), and remove the Charge unit (BK) (D).
b. Drum (BK), Side seal F (BK), Side seal R (BK), Discharge
lamp (K)
1)
Remove the development unit (BK). (Refer to the "[L] DEVEL-
OPING SECTION".)
OPING SECTION".)
2)
Remove the charge unit (BK). (Refer to the "a. Chaege unit
(BK)".)
(BK)".)
3)
Remove the OPC drum unit (BK). (Refer to the "(1) OPC drum
unit (BK)".)
unit (BK)".)
4)
Remove the screws (A), and open the frame (B).
5)
Remove the drum unit (BK) (C).
Unit
Parts
Mainte
nance
1
OPC drum unit (BK)
a
Charge unit (BK)
▲
1-a
A
B
D
C
1-a
Unit
Parts
Mainte
nance
1
OPC drum unit (BK)
b
Drum (BK)
▲
c
Side seal F (BK)
✕
d
Side seal R (BK)
✕
e
Discharge lamp (K)
✕
{
1-b
1-e
1-d
1-c
A
A
B
C
MX-7000N PHOTOCONDUCTOR SECTION J – 9
6)
Remove the blue screws (D), and remove the flange (E).
Remove the drum (BK) (F).
Remove the drum (BK) (F).
* (Concerning OPC layer separating)
With the rotational friction, OPC layer in end of both sides of
the OPC drum may be separated.
If the print image is normal, the OPC drum can be continuing
use, replacement is not required.
the OPC drum may be separated.
If the print image is normal, the OPC drum can be continuing
use, replacement is not required.
* When installing the new OPC drum, be careful so that there
is the lot No. side (G) in upper side, insert the hand into the
OPC drum, and install.
Be careful not to touch the photo-surface of the OPC drum.
OPC drum, and install.
Be careful not to touch the photo-surface of the OPC drum.
7)
Check condition of the side seal F (BK) (H) and the side seal R
(BK) (I).
* If replacement is required, paste it along the reference line.
(BK) (I).
* If replacement is required, paste it along the reference line.
8)
Lift up the knob (J), and disengage the pawl (K). Remove the
shading cover (L).
* When installing, engage the pawl (M) of the shading cover
shading cover (L).
* When installing, engage the pawl (M) of the shading cover
to the frame.
9)
Disconnect the connector (N). Remove the discharge lamp (O)
(B).
(B).
c. Cleaner blade (BK)
1)
Remove the development unit (BK). (Refer to the "[L] DEVEL-
OPING SECTION".)
OPING SECTION".)
2)
Remove the charge unit (BK). (Refer to the "a. Charge unit
(BK)".)
(BK)".)
3)
Remove the OPC drum unit (BK). (Refer to the "(1) OPC drum
unit (BK)".)
unit (BK)".)
F
1-b
D
E
G
H
I
Reference
line
Reference line
Reference line
1-d
1-c
Reference
line
Unit
Parts
Mainte
nance
1
OPC drum unit (BK)
f
Cleaner blade (BK)
▲
K
J
L
M
O
1-e
N
1-f
MX-7000N PHOTOCONDUCTOR SECTION J – 10
4)
Remove the screws (A), and open the frame (B).
5)
Remove the drum unit (BK) (C).
6)
Lift up the knob (D), and disengage the pawl (E). Remove the
shading cover (F).
* When installing, engage the pawls (G) of the shading cover
shading cover (F).
* When installing, engage the pawls (G) of the shading cover
to the frame.
7)
Remove the screws (H), and remove the cleaning blade (BK)
(I).
(I).
* When installing, be careful not to cover the molt (J) with the
cleaner blade (K).
d. Cleaning brush (BK)
1)
Remove the development unit (BK). (Refer to the "[L] DEVEL-
OPING SECTION".)
OPING SECTION".)
2)
Remove the charger unit (BK). (Refer to the "a. Charger unit
(BK)".)
(BK)".)
3)
Remove the OPC drum unit (BK). (Refer to the "(1) OPC drum
unit (BK)".)
unit (BK)".)
4)
Remove the screws (A), and remove the cover (B).
A
A
B
C
E
D
F
G
H
H
H
I
1-f
Unit
Parts
Mainte
nance
1
OPC drum unit (CL)
g
Cleaning brush (BK)
✕
J
K
K
J
J
K
K
J
1-g
A
A
B
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