WF-2540 / WF-2530 / WF-2520 / WF-2510 / WF-2010 series Revision B
Confidential
Disassembly/Reassembly Disassembly/Reassembly Procedures 38
Flowchart 2-3. Unit/Assy (3)
(p 34)
6
Spur Gear 37.2
---
1
 (p 47)
Extension Spring 
0.137
---
1
 (p 47)
Clutch
---
1
 (p 47)
LD Roller Shaft
---
---
 (p 47)
(p 35)
7
Antistatic Cloth
1
---
---
Shield Plate 
(p34)
CR Motor (p34)
 FFC/Cable* 9
CR Unit
---
---
 (p 51) (p 52)
Main Board 
(p34)
PE Sensor Lever 
(p34)
Paper Guide 
Upper Assy
---
6
 (p 52)
Head FFC
---
---
 (p 51)
CR Timing Belt
---
1
 (p 52)
CR Encoder 
Sensor
1
1
---
(p 35)
8
 Pump tube
Cap Assy (p31)
Hopper (p39)
LD Roller Assy 
(p34)
Pump Unit
1
2
 (p 47)
Spur Gear 16.5
---
---
---
PF Grounding 
Spring (p34)
Paper Guide 
Front Unit (p30)
EJ Roller Gear 
(p34)
PF Driven Pul-
ley Assy (p34)
PF Timingbelt 
(p34)
PF Roller Unit
---
2
 (p 52)
PF Motor Assy
1
---
 (p 50) (p 52)
S7
USB Board (p31)
Frame Base
---
---
 (p 52) (p 67)
 PF Motor Cable
PF Motor Cover 
(p34)
FFC/cable list
No. FFC/Cable
9 Disconnect the CR Encoder FFC.
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