Sharp MX-2301N (serv.man30) Service Manual / Technical Bulletin ▷ View online
Sharp Electronics (UK) Ltd., Document Systems Support
How to check Doctor cover seal and Inner blade
(1) Remove two screws fixed to DV cover R unit.
(2) Remove the parts in the order of pawl in center, boss in rear side, and boss in front side and
then remove DV cover R unit
(3) Clean up DV cover R unit and see if there is any problem with Doctor cover
seal
or Inner
blade inside.
(4) If there is any failure part or torn part in Doctor cover
seal
or Inner blade, replace the part.
(See separate sheet for adherence point of Doctor cover
seal
and Inner blade.)
When removing the pawl in center, insert flat-
blade screwdriver in the space shown in the
photo, lift up the cover and remove.
When removing the boss in rear side, insert flat-
blade screwdriver in the space shown in the photo,
deflect the cover toward left and remove.
After removing the pawl in the centre and
the boss in rear side, shift the cover
toward right and then remove boss in
front side.
Sharp Electronics (UK) Ltd., Document Systems Support
- Adherence point of Doctor cover seal
- Reference point for adherence of Doctor cover seal
- Adherence point of Inner blade
- Reference point for adherence of Inner blade
.
DV Cover R
Doctor Cover seal
0
-
0
.3
m
m
0 - 0.3mm
Reference point (on the edge of protruding
Reference point
(on the edge)
After adherence of Doctor cover seal
Inner Blade
DV Cover R
3 - 5mm
0
-
0
.5
m
m
Reference Point
Reference Point
R
e
fe
re
n
c
e
p
o
in
t
(o
n
t
h
e
e
d
g
e
)
Inner Blade
*Make sure the edge of Inner blade does
not protrude from the edge of DV blade
Reference Point (on the edge of protruding
Sharp Electronics (UK) Ltd., Document Systems Support
- Adherence point of Doctor cover seal
- Reference point for adherence of Doctor cover seal
- Adherence point of Inner blade
- Reference point for adherence of Inner blade
.
DV Cover R
Doctor Cover seal
0
-
0
.3
m
m
0 - 0.3mm
Reference point (on the edge of protruding
Reference point
(on the edge)
After adherence of Doctor cover seal
Inner Blade
DV Cover R
3 - 5mm
0
-
0
.5
m
m
Reference Point
Reference Point
R
e
fe
re
n
c
e
p
o
in
t
(o
n
t
h
e
e
d
g
e
)
Inner Blade
*Make sure the edge of Inner blade does
not protrude from the edge of DV blade
Reference Point (on the edge of protruding
Sharp Electronics (UK) Ltd., Document Systems Support
- Adherence point of Doctor cover seal
- Reference point for adherence of Doctor cover seal
- Adherence point of Inner blade
- Reference point for adherence of Inner blade
.
DV Cover R
Doctor Cover seal
0
-
0
.3
m
m
0 - 0.3mm
Reference point (on the edge of protruding
Reference point
(on the edge)
After adherence of Doctor cover seal
Inner Blade
DV Cover R
3 - 5mm
0
-
0
.5
m
m
Reference Point
Reference Point
R
e
fe
re
n
c
e
p
o
in
t
(o
n
t
h
e
e
d
g
e
)
Inner Blade
*Make sure the edge of Inner blade does
not protrude from the edge of DV blade
Reference Point (on the edge of protruding
Display