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Disassembly Disassembly Flowchart Flowchart (Printhead/Main (Printhead/Main Board) Board) - Epson L120 Service Manual

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 L120
 L120
3
3
(
(
p
p
3
3
0
0
)
)
Shield Plate
Shield Plate
(p30)
(p30)
Main Board Assy
Main Board Assy
CR Motor (p30)
CR Motor (p30)
(p30)
(p30)
PE Sensor Lever
PE Sensor Lever
 
FFC/Cable
FFC/Cable* 5
* 5
(p30)
(p30)
CR Unit
CR Unit
Paper Guide
Paper Guide
Upper Assy
Upper Assy
---
---
6 6
(p 41)
(p 41)
(p 42)
(p 42)
   
   
   
(p 42)
(p 42)
FFC Holder
FFC Holder
(p29)
(p29)
Head FFC
Head FFC
   
(p 40)
(p 40)
 Disassembly/Reassembly
 Disassembly/Reassembly
   
   
 L120
 L120
2.2.2
2.2.2 Disasse
Disassembly Flow
mbly Flowchart (Pri
chart (Printhead
nthead/Main Boa
 
Printhead
Printhead
S
S
T
T
A
A
R
R
T
T
Cap Tank 
Cap Tank 
 
Head FFC
Head FFC
---
---
2 2
Printhead
Printhead
---
---
S6
S6
Ink Supply Tank 
Ink Supply Tank 
   
(p 35)
(p 35)
Upper Housing
Upper Housing
2 2
2 2
S4
S4
   
(p 37)
(p 37)
Housing Upper
Housing Upper
Assy
Assy
4 4
3 3
S5
S5
   
(p 34)
(p 34)
 
Ink Supply Tube Assy
Ink Supply Tube Assy
Adapter
Adapter
---
---
2 2
   
(p 39)
(p 39)
Holder Board
Holder Board
---
---
2 2
---
---
 Disassembly/Reassembly
 Disassembly/Reassembly
Antistatic Cloth
Antistatic Cloth
1 1
---
---
S8
S8
---
---
---
---
---
---
CR Encoder
CR Encoder
CR Timing Belt
CR Timing Belt
Sensor
Sensor
---
---
1 1
S3
S3
(p 36)
(p 36)
(p 42)
(p 42)
(p 37)
(p 37)
   
   
   
   
---
---
---
---
/Main Board)
rd)
   
 
Main Board
Main Board
3 3
1 1
Ink Supply Tank 
Ink Supply Tank 
   
(p 42)
(p 42)
Upper Housing
Upper Housing
Paper Support
Paper Support
Flowchart
Flowchart 2-5.
4
4
(
(
p
p
3
3
0
0
)
)
Cap Assy (p29)
Cap Assy (p29)
 
Pump Tube
Pump Tube
Pump Unit
Pump Unit
1 1
1 1
S5
S5
(p 36)
(p 36)
   
PF Grounding
PF Grounding
Spring (p29)
Spring (p29)
Spur Gear 16.5
Spur Gear 16.5
---
---
1 1
---
---
1 1
---
---
(p 40)
(p 40)
EJ Roller Gear
EJ Roller Gear
(p29)
(p29)
PF Driven Pul-
PF Driven Pul-
ley Assy (p29)
ley Assy (p29)
PF Timing Belt
PF Timing Belt
(p29)
(p29)
PF Roller Unit
PF Roller Unit
---
---
2 2
   
(p 42)
(p 42)
   
(p 52)
(p 52)
PF Motor Assy
PF Motor Assy
1 1
---
---
S5
S5
(p 40)
(p
40) 
 
(p 42)
(p 42)
   
Frame Base
Frame Base
---
---
---
---
   
(p 42)
(p 42)
   
(p 52)
(p 52)
Flowchart 2-4.
Flowc
hart 2-4. Disas
Disassembly Flow
sembly Flowchart (4)
chart (4)
Disassembly Flowchart
Disassembly Flowchart
S
S
T
T
A
A
R
R
T
T
Cap Tank 
Cap Tank 
 
FFC/Cable* 6
FFC/Cable
* 6
---
---
2 2
Shield Plate
Shield Plate
---
---
2 2
1 1
S9
S9
---
---
2 2
PF Encoder
PF Encoder
2 2
S4
S4
Sensor*
Sensor*
   
(p 37)
(p 37)
1 1
---
---
S2
S2
Housing Upper
Housing Upper
(p 36)
(p 36)
(p 40)
(p 40)
   
   
Assy
Assy
4 4
 
FFC/Cable
FFC/Cable* 7
* 7
3 3
S5
S5
   
(p 34)
(p 34)
Main Board Assy
Main Board Assy
3 3
---
---
S10 S11
S10 S11
Assy
Assy
   
(p 34)
(p 34)
   
(p 40)
(p 40)
---
---
   
(p 42)
(p 42)
1 1
---
---
Hopper
Hopper
---
---
2 2
(p 42)
(p 42)
   
2-5. Disassembly
Disassembly Flowchart (
Flowchart (Printhead/Main
Printhead/Main Board)
Disassembly Flowchart (Printhead/Main Board)
Disassembly Flowchart (Printhead/Main Board)
FFC/cable list
FFC/cable list
N
N
o
o
.
.
   
5 5
Screw type/torque list
Screw type/torque list
S
S
y
y
m
m
S1
S1
S2
S2
S3
S3
S4
S4
S5
S5
S6
S6
S7
S7
S8
S8
S9
S9
S10
S10
S11
S11
S12
S12
S13
S13
 Note
 Note "*":
"*":
Proceed to the next step with the part
Proceed to the next step with the part
detached temporarily because the
detached temporarily because the
 part cannot be removed fully there.
 part cannot be removed fully there.
FFC/cable list
FFC/cable list
N
N
o
o
.
.
6 6
7 7
Screw type/torque list
Screw type/torque list
S
S
y
y
m
m
S1
S1
S2
S2
S3
S3
S4
S4
S5
S5
S6
S6
S7
S7
S8
S8
S9
S9
S10
S10
S11
S11
S12
S12
S13
S13
Board)
Revision A
Revision A
F
F
F
F
C
C
/
/
C
C
a
a
b
b
l
l
e
e
 
Disconnect the CR Encoder FFC.
Disconnect the CR Encoder FFC.
 
Pull out the Head FFC from the hole of the CR Unit.
Pull out the Head FFC from the hole of the CR Unit.
b
b
o
o
l
l
S
S
c
c
r
r
e
e
w
w
T
T
y
y
p
p
e
e
T
T
o
o
r
r
q
q
u
u
 
C C . . B B . . P P - - T T I I T T E E S S C C R R E E W W 2 2 . . 6 6 x x 5 5 F F / / Z Z N N - - 3 3 C C
2 2 . . 5 5 5 5
0.05 kgf·cm
0.05 kgf·cm
 
C C . . B B . . P P - - T T I I T T E E S S C C R R E E W W 2 2 x x 8 8 F F / / Z Z N N - - 3 3 C C
2 2 . . 5 5 5 5
0.05 kgf·cm
0.05 kgf·cm
 
C C . . B B . . P P - - T T I I T T E E S S C C R R E E W W 2 2 x x 8 8 F F / / Z Z N N - - 3 3 C C
2 2
0.5 kgf·cm
0.5 kgf·cm
 
C C . . B B . . P P - - T T I I T T E E S S C C R R E E W W 3 3 x x 1 1 0 0 F F / / Z Z B B - - 3 3 C C
6 6
1 kgf·cm
1 kgf·cm
 
C C . . B B . . P P - - T T I I T T E E S S C C R R E E W W 3 3 x x 1 1 0 0 F F / / Z Z N N - - 3 3 C C
6 6
1 kgf·cm
1 kgf·cm
 
C C . . B B . . P P - - T T I I T T E E S S C C R R E E W W 3 3 x x 1 1 0 0 F F / / Z Z N N - - 3 3 C C
7 7
1 kgf·cm
1 kgf·cm
 
C C . . B B . . S S - - T I
T IT T E (
E (P P 2 2 ) S
) SC C R R E E W 3
W 3x x 6 F
6 F/ / Z N
Z N- 3
- 3C C
7 7
1 kgf·cm
1 kgf·cm
 
C C . . B B . . S S - - T I
T IT T E (
E (P P 2 2 ) S
) SC C R R E E W 3
W 3x x 6 F
6 F/ / Z N
Z N- 3
- 3C C
8 8
1 kgf·cm
1 kgf·cm
 
C C . . B B . . S S - - T T I I T T E E S S C C R R E E W W 3 3 x x 6 6 F F / / Z Z N N - - 3 3 C C
6 6
1 kgf·cm
1 kgf·cm
 
C C . . B B . . S S - - T T I I T T E E S S C C R R E E W W 3 3 x x 6 6 F F / / Z Z N N - - 3 3 C C
7 7 . . 3 3
0.1 kgf·cm
0.1 kgf·cm
 
C C . . B B . . S S - - T T I I T T E E S S C C R R E E W W 3 3 x x 8 8 F F / / Z Z N N - - 3 3 C C
7 7 . . 3 3
0.1 kgf·cm
0.1 kgf·cm
 
C C . . P P S S C C R R E E W W 2 2 . . 6 6 x x 3 3 F F / / Z Z N N - - 3 3 C C
4 4
0.5 kgf·cm
0.5 kgf·cm
 
C .P . P .S -
C .
S -TI
TITE
TE (S
(S-P
-P1) 1) S C
S CR E
R EW W 3x
3x6 6 F / F /ZN
ZN-3 -3C C
7. 7.5 5
0.5 kgf·cm
0.5 kgf·cm
Confidential 
Confidential 
Revision A
Revision A
F
F
F
F
C
C
/
/
C
C
a
a
b
b
l
l
e
e
Remove/disconnect the following.
Remove/disconnect the following.
 
PF Motor cable (CN13)
PF Motor cable (CN13)
 
PS Unit cable (CN501)
PS Unit cable (CN501)
Remov
Re
move/ e/dis
discon
conne
nect all FF
ct all FFCs
Cs/c /cab
able les. s.
b
b
o
o
l
l
S
S
c
c
r
r
e
e
w
w
T
T
y
y
p
p
e
e
T
T
o
o
r
r
q
q
u
u
 
C C . . B B . . P P - - T T I I T T E E S S C C R R E E W W 2 2 . . 6 6 x x 5 5 F F / / Z Z N N - - 3 3 C C
2 2 . . 5 5 5 5
0.05 kgf·cm
0.05 kgf·cm
 
C C . . B B . . P P - - T T I I T T E E S S C C R R E E W W 2 2 x x 8 8 F F / / Z Z N N - - 3 3 C C
2 2 . . 5 5 5 5
0.05 kgf·cm
0.05 kgf·cm
 
C C . . B B . . P P - - T T I I T T E E S S C C R R E E W W 2 2 x x 8 8 F F / / Z Z N N - - 3 3 C C
2 2
0.5 kgf·cm
0.5 kgf·cm
C C . . B B . . P P - - T T I I T T E E S S C C R R E E W W 3 3 x x 1 1 0 0 F F / / Z Z B B - - 3 3 C C
6 6
 
1 kgf·cm
1 kgf·cm
 
C C . . B B . . P P - - T T I I T T E E S S C C R R E E W W 3 3 x x 1 1 0 0 F F / / Z Z N N - - 3 3 C C
6 6
1 kgf·cm
1 kgf·cm
 
C C . . B B . . P P - - T T I I T T E E S S C C R R E E W W 3 3 x x 1 1 0 0 F F / / Z Z N N - - 3 3 C C
7 7
1 kgf·cm
1 kgf·cm
 
C C . . B B . . S S - - T I
T IT T E (
E (P P 2 2 ) S
) SC C R R E E W 3
W 3x x 6 F
6 F/ / Z N
Z N- 3
- 3C C
7 7
1 kgf·cm
1 kgf·cm
 
C C . . B B . . S S - - T I
T IT T E (
E (P P 2 2 ) S
) SC C R R E E W 3
W 3x x 6 F
6 F/ / Z N
Z N- 3
- 3C C
8 8
1 kgf·cm
1 kgf·cm
 
C C . . B B . . S S - - T T I I T T E E S S C C R R E E W W 3 3 x x 6 6 F F / / Z Z N N - - 3 3 C C
6 6
1 kgf·cm
1 kgf·cm
 
C C . . B B . . S S - - T T I I T T E E S S C C R R E E W W 3 3 x x 6 6 F F / / Z Z N N - - 3 3 C C
7 7 . . 3 3
0.1 kgf·cm
0.1 kgf·cm
 
C C . . B B . . S S - - T T I I T T E E S S C C R R E E W W 3 3 x x 8 8 F F / / Z Z N N - - 3 3 C C
7 7 . . 3 3
0.1 kgf·cm
0.1 kgf·cm
 
C C . . P P S S C C R R E E W W 2 2 . . 6 6 x x 3 3 F F / / Z Z N N - - 3 3 C C
4 4
0.5 kgf·cm
0.5 kgf·cm
 
C .
C .P . P .S -
S -TI
TITE
TE (S
(S-P
-P1) 1) S C
S CR E
R EW W 3x
3x6 6 F / F /ZN
ZN-3 -3C C
7. 7.5 5
0.5 kgf·cm
0.5 kgf·cm
Confidential 
Confidential 
e
e
32
32
e
e
33
33
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