WF-2540 / WF-2530 / WF-2520 / WF-2510 / WF-2010 series Revision B
Confidential
Disassembly/Reassembly Disassembly/Reassembly Procedures 39
2.2.3 Disassembly Flowchart (Printhead/Main Board)
Flowchart 2-4. Disassembly Flowchart (Printhead/Main Board)
îš„ Printhead
START
FFC Cover 
Outer
---
1
 (p 44)
îš„ CSIC FFC
Holder Board 
Assy
---
2
---
Printhead
3
---
 (p 44) (p 52)
START
îš„ Scanner FFC
îš„ Grounding wire (x2)
Housing Rear
1
4
 (p 41)
S7
ADF/
Scanner Unit
1
2
 (p 40) (p 48)
Hinge
1
---
---
S7
Paper Support
---
4
---
Hopper
---
2
 (p 52) (p 67)
îš„ FFC/Cable* 10
Main Board FFC 
Holder
1
2
---
S15
îš„ Cable (CN14)
Paper Support 
Sub
---
5
---
FAX Assy
---
3
 (p 45)
îš„ FFC/Cable* 12
Shield Plate
3
---
 (p 46)
S17
îš„ FFC/Cable* 13
Main Board
1
---
 (p 46) (p 49)
 (p 52)
S15
Housing Right
3
7
 (p 41)
S6
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.
FFC/cable list
No. FFC/Cable
10 Disconnect the Panel FFC (CN2), and remove the ferrite core.
11
Remove/disconnect the following.
îš„ USB Board cable(CN9)
îš„ FAX FFC(CN1)
12
Remove/disconnect the following.
îš„ HeadFFC (CN102)
îš„ CSIC FFC (CN6)
îš„ PF Motor cable (CN13)
îš„ PS Unit cable(CN501)
13 Remove/disconnect all FFCs/ cables.
14
Remove the double-sided tape of the Panel FFC (CN2) and remove the 
FFC/Cable from the Housing Upper Assy hole.
Ethernet Board 
Assy
1
2
 (p 46)
S7
îš„ FFC/Cable* 11
îš„ Main Board (Multifunction Printer)
START
îš„ Main Board (Singlefunction Printer)
îš„ Panel FFC
Panel Unit
2
6
 (p 42) (p 49)
S7
îš„ FFC/Cable* 14
Housing Upper 
Assy
5
13
 (p 41)
S15
îš„ FFC/Cable* 12
Shield Plate
3
---
 (p 46)
S14
îš„ FFC/Cable* 13
Main Board
1
---
 (p 46) (p 49)
 (p 52)
Hopper
---
2
 (p 52) (p 67)
Housing Left 
Assy
5
6
 (p 41)
S6
S16
Screw type/torque list
Symbol Screw Type Torque
C.B.P-TITE (S-P1) SCREW 3x12 F/ZN-3C 6 ± 1 kgf·cm
C.B.P-TITE SCREW 2x6 F/ZN-3C 4 ± 1 kgf·cm
C.B.P-TITE SCREW 2x8 F/ZN-3C 2 
± 0.5 kgf·cm
C.B.P-TITE SCREW 2x8 F/ZN-3C 2.5 kgf·cm
C.B.P-TITE SCREW 2x8 F/ZN-3C 4 
± 1 kgf·cm
C.B.P-TITE SCREW 3x10 F/ZB-3C 6 ± 1 kgf·cm
C.B.P-TITE SCREW 3x10 F/ZN-3C 6 
± 1 kgf·cm
C.B.P-TITE SCREW 3x10 F/ZN-3C 5 ± 1 kgf·cm
C.B.P-TITE SCREW 3x10 F/ZN-3C 5 
± 0.5 kgf·cm
C.B.P-TITE SCREW 3x10 F/ZN-3C 7 ± 1 kgf·cm
C.B.P-TITE SCREW 3x8 F/ZN-3C 6 
± 1 kgf·cm
C.B.S-TITE (P2) SCREW 3x6 F/ZN-3C 6 ± 1 kgf·cm
C.B.S-TITE (P2) SCREW 3x6 F/ZN-3C 7 
± 1 kgf·cm
C.B.S-TITE SCREW 2x4 F/ZN-3C 2 ± 0.5 kgf·cm
C.B.S-TITE SCREW 3x8 F/ZN-3C 6 
± 1 kgf·cm
C.B.S-TITE SCREW 3x6 F/ZB-3C 6 ± 1 kgf·cm
C.B.S-TITE SCREW 3x6 F/ZN-3C 6 
± 1 kgf·cm
C.B.S-TITE SCREW 3x6 F/ZN-3C 8 ± 1 kgf·cm
C.B.S-TITE SCREW 3x6 F/ZN-3C 7 
± 1 kgf·cm
C.P-TITE SCREW 3x4 F/ZN-3C 4 ± 1 kgf·cm
C.B.S-TITE SCREW 3x8 F/ZB-3C 6 
± 1 kgf·cm
Model-specific parts/unit
Common parts/unit