Sharp MX-5500N / MX-6200N / MX-7000N (serv.man64) Service Manual ▷ View online
MX-7000N TRANSFER SECTION M – 8
g. Resist backup roller
1)
Remove the primary transfer unit. (Refer to the "(1) Primary
transfer unit".)
transfer unit".)
2)
Remove the primary transfer belt. (Refer to the "a. Primary
transfer belt".)
transfer belt".)
3)
Clean the resist backup roller (A).
* Clean with alcohol. When installing, alcohol must be volatil-
* Clean with alcohol. When installing, alcohol must be volatil-
ized completely.
* Prevent dust or dirt being put.
h. Cleaner seal, Transfer sub blade, transfer cleaning blade,
cleaning brush
1)
Remove the primary transfer unit. (Refer to the "(1) Primary
transfer unit".)
transfer unit".)
2)
Remove the screws (A). Rotate the cleaner unit (B) 45
degrees, and remove it.
degrees, and remove it.
3)
Check the cleaner seal (C).
* When replacing is required, paste it along the reference line.
* When replacing is required, paste it along the reference line.
4)
Remove the screws (D), and remove the transfer sub blade (E)
and transfer cleaning blade (F).
and transfer cleaning blade (F).
Unit
Parts
Mainte
nance
1
Primary transfer unit
j
Resist backup roller
{
Unit
Parts
Mainte
nance
1
Primary transfer unit
k
Cleaner seal
✕
l
Transfer sub blade
✕
▲
m
Transfer cleaning blade
✕
▲
n
Cleaning brush
{
1-j
A
1-j
1-m
1-l
1-n
1-k
1-k
B
A
A
45
1-k
1-k
C
C
0 - 0.5mm
0 - 0.5mm
0.2mm - 0.7mm
reference line
reference line
reference
line
0.2mm - 0.7mm
E
F
D
D
D
D
D
D
1-m
1-l
MX-7000N TRANSFER SECTION M – 9
5)
Remove the screw (G), and remove the cover (H), the shutter
(I), and the spring (J).
(I), and the spring (J).
6)
Remove the screws (K), and remove the plate (L). Remove the
E-ring (M), the bearing (N), and the screws (O), and remove
the pipe (P) and the plate (Q).
E-ring (M), the bearing (N), and the screws (O), and remove
the pipe (P) and the plate (Q).
7)
Remove the E-ring (R), and remove the bearing (S). Remove
the E-ring (T), the gear (U), and the bearing (V), and remove
the cleaning brush (W).
the E-ring (T), the gear (U), and the bearing (V), and remove
the cleaning brush (W).
B. Secondary transfer unit
(1) Secondary transfer unit
1)
Release the lock (A), and open the right door unit (B).
G
H
I
J
K
L
M
N
O
O
P
Q
1-n
R
S
T
V
U
W
Unit
Parts
Mainte
nance
Page
1
Secondary
transfer unit
transfer unit
a
Secondary transfer idle
gear
gear
✕
▲
M-10
b
Secondary belt follwer roller
{
c
Secondary drive belt
✕
▲
d
Secondary transfer roller
✕
▲
M-11
e
Secondary belt dirve roller
{
M-11
f
Secondary belt tension
roller
roller
{
M-11
Unit
1
Secondary transfer unit
1-e
1-a
1-b
1-d
1-f
1
1-c
1
A
B
MX-7000N TRANSFER SECTION M – 10
2)
Push the plate (C) slightly, and release the lock (D). Rotate the
secondary transfer unit (E) and remove it.
secondary transfer unit (E) and remove it.
a. Secondary drive idle gear, Secondary belt follower roller,
Secondary transfer belt
1)
Remove the secondary transfer unit. (Refer to the "(1) Second-
ary transfer unit".)
ary transfer unit".)
2)
Remove the screws (A) and remove the plate (B), and remove
the secondary drive idle gear (C). Remove the bearing (D) and
the belt (E). Remove the polyslider (F), the pulley (G), the
polyslider (H), the bearing (I), and the parallel pin (J). Remove
the spring (K) and the plate (L).
the secondary drive idle gear (C). Remove the bearing (D) and
the belt (E). Remove the polyslider (F), the pulley (G), the
polyslider (H), the bearing (I), and the parallel pin (J). Remove
the spring (K) and the plate (L).
3)
Remove the screws (M), and remove the frame (N).
4)
Remove the frame (O) and the bearing (P), and remove the
secondary belt follower roller (Q) and bearing (R).
secondary belt follower roller (Q) and bearing (R).
5)
Remove the secondary transfer belt (S).
Unit
Parts
Mainte
nance
1
Secondary transfer
unit
unit
a
Secondary drive idle gear
✕
▲
b
Secondary belt follower roller
{
c
Secondary transfer belt
✕
▲
D
E
1
C
1-c
1-a
1-b
A
B
1-a
C
D
E
F
G
I
H
J
K
L
M
N
M
O
Q
R
P
1-b
S
1-c
MX-7000N TRANSFER SECTION M – 11
b. Secondary transfer roller
1)
Remove the secondary transfer unit. (Refer to the "(1) Second-
ary transfer unit".)
ary transfer unit".)
2)
Remove the secondary transfer belt. (Refer to the "a. Second-
ary transfer idle gear, secondary belt follower roller, secondary
transfer belt".)
ary transfer idle gear, secondary belt follower roller, secondary
transfer belt".)
3)
Disenage the pawl (A), and remove the bearing (B) on the front
side, the bearing (C), and the spring (D). Remove the secon-
rary transfer roller (E), and remove the bearing (F) and the
bearing (G).
side, the bearing (C), and the spring (D). Remove the secon-
rary transfer roller (E), and remove the bearing (F) and the
bearing (G).
c. Secondary belt drive roller
1)
Remove the secondary transfer unit. (Refer to the "(1) Second-
ary transfer unit".)
ary transfer unit".)
2)
Remove the secondary transfer belt. (Refer to the "a. Second-
ary transfer idle gear, secondary belt follower roller, secondary
transfer belt".)
ary transfer idle gear, secondary belt follower roller, secondary
transfer belt".)
3)
Remove the C-ring (A). Remove the secondary belt drive roller
(B). Remove the C-ring (C), the parallel pin (D), and bearings
(E) from the secondary belt drive roller (B).
(B). Remove the C-ring (C), the parallel pin (D), and bearings
(E) from the secondary belt drive roller (B).
d. Secondary belt tension roller
1)
Remove the secondary transfer unit. (Refer to the "(1) Second-
ary transfer unit".)
ary transfer unit".)
2)
Remove the secondary transfer belt. (Refer to the "a. Second-
ary transfer idle gear, secondary belt follower roller, secondary
transfer belt".)
ary transfer idle gear, secondary belt follower roller, secondary
transfer belt".)
3)
Remove the bearings (A) and springs (B), and remove the sec-
ondary belt tension roller (C).
ondary belt tension roller (C).
Unit
Parts
Mainte
nance
1
Secondary transfer
unit
unit
d
Secondary transfer roller
✕
▲
Unit
Parts
Mainte
nance
1
Secondary transfer
unit
unit
e
Secondary belt drive roller
{
1-d
D
B
C
E
G
F
A
1-d
1-e
Unit
Parts
Mainte
nance
1
Secondary transfer
unit
unit
f
Secondary belt tension roller
{
A
C
E
B
1-e
E
D
1-f
A
C
B
A
B
1-f
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