Printhead/Ink Supply Unit - Epson WF-5690 Series Service Manual

Epson WF-5690/4640/4630/5620/5190/5110 series

2.2.3.4 Printhead/Ink Supply Unit

The disassembling and reassembling procedure of the Printhead/Ink Supply Unit requires additional steps before and during the procedure. Therefore, the whole flow from disassembling to reassembling is provided below.
Note: The black arrows ( ) indicate disassembling, and the red arrows (
Printhead / Ink Supply Unit START
Releasing the pressure (p 27)
WF-5190/5110 series WF-5690/4640/4630/5620 series
Panel Assy Panel Assy
---
9
(p 39)
Panel FFC
WF-5190/5110 series WF-5690/4640/4630/5620 series
Housing Rear
Go to the next step
FAX Cover
WF-5190/5110 series WF-5690/4640/4630/5620 series
Housing Upper ADF Unit/
Scanner Unit
Assy
5
---
S2 S2
(p 38) (p 44)
Front Housing
Assy
3
2
S2
(p 38)
Disassembly/Reassembly
) show reassembling.
1
7
S3
(p 39)
Assy
7
2
S3
(p 46)
Flowchart 2-1. Disassembling Flowchart of Printhead/Ink Supply Unit
WF-5190/5110 series WF-5690/4640/4630/5620 series
Housing Rear
Go to the next step
Assy
USB Cover
Middle Housing
4
---
S2
(p 38)
CR Cover
---
3
(p 38)
Ink Supply Unit
Printhead
Grounding Plate
2
2
S3
(p 41)
(p 48)
Decompress Pump
Unit
Ink Supply Unit
6
---
S3 S3 S16 S16 S19
(p 42)
(p 47) (p 50)
Checking the platen gap
Ink leak check
Head angular mecha
Reassemble the printer and perform the
required adjustment
Screw type/torque list
Symbol
S1 C.B.P-TITE SCREW 2x6-F/ZN-3C
6
S2 C.B.P-TITE SCREW 3x10-F/ZN-3C
--- S3 C.B.S-TITE SCREW 3x6-F/ZN-3C
S12 S16 S16 S17
S4 C.P.SCREW 3x6-F/ZN-3C
(p 42)
S5 C.P.SCREW 3x6-F/ZN-3C
(p 50)
S6 C.B.P-TITE (P2) SCREW 3x10-F/ZN-3C
S7 C.B.P-TITE SCREW 3x8-F/ZN-3C
S8 C.P.SCREW 2.5x6-F/ZN-3C
S9 C.P.SCREW 3x5-F/ZN-3C
S10 C.B.S-TITE (P4) SCREW 3x8-F/ZN-3C
S11 C.B.P-TITE SCREW 2.5x8-F/ZN-3C
S12 C.B.P-TITE SCREW 2x10-F/ZN-3C
S13 C.B.P-TITE (S-P1) SCREW 3x12-F/ZN-3C
S14 C.B.S-TITE (P4) SCREW 3x10-F/ZN-3C
S15 C.P.SCREW 3x4-F/ZN-3C
C.B.EP-TITE SCREW 2.6x17 (B=14) F/ZN-3C
S16
S17 P.W.,2.8x0.5x6.5-F/ZN-3C
S18 C.P.SCREW 2.5x6-F/ZN-3C
S19 C.B.S-TITE(P2) SCREW,3x8-F/ZB-3C
Revision D
(p 75)
(p 79)
adjustment(p 60)
(p 51).
Common parts/units
Parts/units whose
composition or shape
differ between models
Screw Type Torque
±
2 1 kgf·cm
±
6 1 kgf·cm
±
6 1 kgf·cm
±
6 1 kgf·cm
±
2 5 kgf·cm
±
6 1 kgf·cm
±
6 1 kgf·cm
±
2 5 kgf·cm
±
6 1 kgf·cm
±
6 1 kgf·cm
±
6 1 kgf·cm
±
3 0.5 kgf·cm
±
6 1 kgf·cm
±
6 1 kgf·cm
±
6 1 kgf·cm
±
2.5 0.4 kgf·cm
+
3 0.5 kgf·cm
±
6 1 kgf·cm
±
6 1 kgf·cm
36
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