Sharp MX-5500N / MX-6200N / MX-7000N (serv.man64) Service Manual ▷ View online
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
MX-7000N TRANSFER SECTION M – 12
C. PTC unit
(1) PTC unit
1)
Remove the paper dust removal cleaner. (Refer to the “[G]
PAPER TRANSFER SECTION”.)
PAPER TRANSFER SECTION”.)
2)
Turn the blue screw (A) counterclockwise. Check that the lock
is released as shown in (B).
* Failure to complete this step may damage the primary trans-
is released as shown in (B).
* Failure to complete this step may damage the primary trans-
fer belt.
3)
Remove the screw (C). Hold the drum fixing knob (D) by the
hand to not rotate, remove the screw (E). Remove the drum
fixing knob (D).
hand to not rotate, remove the screw (E). Remove the drum
fixing knob (D).
4)
Pull out the fixing cover (F).
5)
Loosen the screws (G), and open the cover (H) of the process
section.
section.
6)
Remove the screw (I), and pull out the PTC unit (J) straight.
Unit
Parts
Mainte
nance
Page
1
PTC unit
a
PTC cleaner B
▲
M -13
b
PTC cleaner
▲
c
Charger wire
✕
▲
M -13
Parts
1
PTC unit
1-b
1-c
1-a
1
1
A
B
D
C
E
F
G
G
H
J
I
1
MX-7000N TRANSFER SECTION M – 13
* When installing, be careful to prevent damage of the primary
transfer belt where right side (K) of the PTC unit is a cause.
* When installing, check that rails (L) is engaged.
a. PTC cleaner B, PTC cleaner
1)
Remove the paper dust removal cleaner. (Refer to the “[G]
PAPER TRANSPORT SECTION”.)
PAPER TRANSPORT SECTION”.)
2)
Remove the PTC unit. (Refer to the "(1) PTC unit".)
3)
After disengaging the pawl (A), disengage the pawl (B).
Remove the holder cover (C).
Remove the holder cover (C).
4)
Disenage the pawl (D). Remove the PTC cleaner B (E), and
remove the PTC cleaner (F).
* When installing, check that the charger wire (G) is posi-
remove the PTC cleaner (F).
* When installing, check that the charger wire (G) is posi-
tioned to center of the cleaner pad (H).
* When installing the PTC cleaner B (E), be sure to check that
the pawl (D) and the pawl (I) of the PTC cleaner (F) is
engaged.
engaged.
* When removing or installing, be careful that the charger wire
(G) hang up the lower side (J) of the PTC cleaner (F).
b. Charger wire
1)
Remove the paper dust removal cleaner. (Refer to the “[G]
PAPER TRANSPORT SECTION”.)
PAPER TRANSPORT SECTION”.)
2)
Remove the PTC unit. (Refer to the "(1) PTC unit".)
3)
Remove the PTC cleaner B and PTC cleaner. (Refer to the “a.
PTC cleaner B, PTC cleaner”.)
PTC cleaner B, PTC cleaner”.)
Unit
Parts
Mainte
nance
1
PTC unit
a
PTC cleaner B
▲
b
PTC cleaner
▲
K
L
L
1-b
1-a
A
B
C
Unit
Parts
Mainte
nance
1
PTC unit
c
Charger wire
✕
▲
G
H
J
D
E
I
1-b
F
1-a
1-c
MX-7000N TRANSFER SECTION M – 14
4)
Remove the spring (B) from the pawl (A). Remove the round
terminal (D) from the pawl (C). Remove the charger wire (E).
Remove the spring (B) form the round terminal (F).
* When installing, hold the round terminal (D). Don't touch the
terminal (D) from the pawl (C). Remove the charger wire (E).
Remove the spring (B) form the round terminal (F).
* When installing, hold the round terminal (D). Don't touch the
wire directly.
* When installing, be careful to dirt of the wire and don't put oil
etc., and be sure to prevent the wire bending or twisting.
D. Secondary transfer separating drive unit
(1) Secondary transfer separating drive unit
1)
Release the lock (A), and open the right door unit (B).
2)
Remove the screws (C), and remove the paper guide (D).
3)
Remove the screws (E), and remove the pressure plate (F)
and springs (G).
and springs (G).
4)
Disconnect the connector (H). Remove the screw (I). Disenage
the pawl (J), and remove the cover (K).
the pawl (J), and remove the cover (K).
5)
Remove the screws (L), and remove the secondary transfer
separation drive unit (M).
separation drive unit (M).
Unit
Parts
Page
1
PTC unit
a
Secondary transfer
separation motor
separation motor
M -15
b
Secondary transfer
separation drive sensor
separation drive sensor
M -15
Parts
1
Secondary transfer drive unit
A
B
C
D
B
F
E
1-c
1
1-a
1-b
A
B
C
C
D
E
E
E
E
F
G
G
I
H
H
K
J
L
L
M
1
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