Disassembly Flowchart (Printhead/Main Board) - Epson WF-2540 Service Manual

WF-2540 / WF-2530 / WF-2520 / WF-2510 / WF-2010 series

2.2.3 Disassembly Flowchart (Printhead/Main Board)

Printhead Main Board (Multifunction Printer)
START START
FFC Cover
Housing Rear
Outer
--- 1
1 4
S7
(p 44) (p 41)
CSIC FFC Scanner FFC
Grounding wire (x2)
Holder Board
ADF/
Assy
Scanner Unit
---
1
2
2
---
(p 40) (p 48)
Printhead
Housing Left
Assy
3
5
---
S9
6
S6 S16
(p 44) (p 52)
(p 41)
Hinge
1
---
S7
---
Housing Right
3
7
S6
(p 41)
The Printhead can be replaced without removing the ADF/Scanner Unit. However, the
working space for replacement is narrow and dark. Therefore, if you find it difficult to
work, remove the ADF/Scanner Unit first before replacement.
Disassembly/Reassembly
FFC/Cable* 11
Paper Support
Sub
---
FAX Assy
5
---
(p 45)
Paper Support
FFC/Cable* 12
---
4
Shield Plate
---
Hopper
S14 S17
--- (p 46)
2
FFC/Cable* 13
(p 52) (p 67)
Main Board
FFC/Cable* 10
Main Board FFC
Holder
S15
1
(p 46) (p 49)
(p 52)
2
S15
---
Cable (CN14)
Ethernet Board
Assy
1
2
S7
(p 46)
Flowchart 2-4. Disassembly Flowchart (Printhead/Main Board)
Disassembly/Reassembly Procedures
Main Board (Singlefunction Printer)
START
Panel FFC
FFC/Cable* 12
Panel Unit Shield Plate
---
2
3
6
S7
S14 S17
(p 42) (p 49)
FFC/Cable* 14
FFC/Cable* 13
Housing Upper
Main Board
Assy
3 5
13
---
S7 S15
(p 41)
(p 46)
Hopper
---
2
1
(p 52) (p 67)
---
FFC/cable list
No. FFC/Cable
10 Disconnect the Panel FFC (CN2), and remove the ferrite core.
Remove/disconnect the following.
11 USB Board cable(CN9)
FAX FFC(CN1)
Remove/disconnect the following.
HeadFFC (CN102)
12 CSIC FFC (CN6)
PF Motor cable (CN13)
PS Unit cable(CN501)
13 Remove/disconnect all FFCs/ cables.
Remove the double-sided tape of the Panel FFC (CN2) and remove the
14
FFC/Cable from the Housing Upper Assy hole.
3
---
(p 46)
1
---
S15
(p 49)
(p 52)
Screw type/torque list
Symbol
C.B.P-TITE (S-P1) SCREW 3x12 F/ZN-3C
S1
C.B.P-TITE SCREW 2x6 F/ZN-3C
S2
C.B.P-TITE SCREW 2x8 F/ZN-3C
S3
C.B.P-TITE SCREW 2x8 F/ZN-3C
S4
C.B.P-TITE SCREW 2x8 F/ZN-3C
S5
C.B.P-TITE SCREW 3x10 F/ZB-3C
S6
C.B.P-TITE SCREW 3x10 F/ZN-3C
S7
C.B.P-TITE SCREW 3x10 F/ZN-3C
S8
C.B.P-TITE SCREW 3x10 F/ZN-3C
S9
C.B.P-TITE SCREW 3x10 F/ZN-3C
S10
C.B.P-TITE SCREW 3x8 F/ZN-3C
S11
C.B.S-TITE (P2) SCREW 3x6 F/ZN-3C
S12
C.B.S-TITE (P2) SCREW 3x6 F/ZN-3C
S13
C.B.S-TITE SCREW 2x4 F/ZN-3C
S14
C.B.S-TITE SCREW 3x8 F/ZN-3C
S15
C.B.S-TITE SCREW 3x6 F/ZB-3C
S16
C.B.S-TITE SCREW 3x6 F/ZN-3C
S17
C.B.S-TITE SCREW 3x6 F/ZN-3C
S18
C.B.S-TITE SCREW 3x6 F/ZN-3C
S19
C.P-TITE SCREW 3x4 F/ZN-3C
S20
C.B.S-TITE SCREW 3x8 F/ZB-3C
S21
Revision B
Common parts/unit
Model-specific parts/unit
Screw Type Torque
±
·
6 1 kgf cm
±
·
4 1 kgf cm
±
·
2 0.5 kgf cm
·
2.5 kgf cm
±
·
4 1 kgf cm
±
·
6 1 kgf cm
±
·
6 1 kgf cm
±
·
5 1 kgf cm
±
·
5 0.5 kgf cm
±
·
7 1 kgf cm
±
·
6 1 kgf cm
±
·
6 1 kgf cm
±
·
7 1 kgf cm
±
·
2 0.5 kgf cm
±
·
6 1 kgf cm
±
·
6 1 kgf cm
±
·
6 1 kgf cm
±
·
8 1 kgf cm
±
·
7 1 kgf cm
±
·
4 1 kgf cm
±
·
6 1 kgf cm
39
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