Epson WF-4640 Series User Manual

Epson WF-5690/4640/4630/5620/5190/5110 series Revision D
Confidential
Disassembly/Reassembly 34
Parts/units whose
composition or shape
differ between models
Common parts/units
2.2.3.3 Printer Mechanism
Flowchart 2-1. Disassembling Flowchart of Printer Mechanism (1)
 The removed parts/units differ between models when the name of each model is indicated and
enclosed in a box. If “Go to the next step” is indicated for a specific model in the box, skip the
step for the model and go to the next step.
 See "2.2.3.4 Printhead/Ink Supply Unit (p36)" for disassembly of the Printhead and Ink Supply
Unit.
Rear ASF Assy
4
---
(p 43) (p 50)
S2
CSIC FFC
---
---
(p 47)
Decompress Pump
Unit
CR Cover
Ink Supply Unit
Grounding Plate
Ink Supply Unit/
Printhead
Metal Plate Left
3
---
(p 41) (p 46)
S3
PF Encoder
1
2
(p 41)
S11
PF Tension
Stopper Holder
1
---
(p 50)
S10
A
(p 32)
Main Board Unit
3
3
(p 39)
(p 48) (p 50)
S3
Middle Housing
4
---
(p 38)
S2
Rear ASF Guide
Upper Assy
1
2
(p 43) (p 47)
S2
PF Encoder FFC
---
---
(p 46)
PF Timing Belt
---
---
(p 41) (p 50)
Decompress
Pump Unit
4
---
(p 43) (p 47)
S6S3
S2
Power Supply
Unit
2
---
(p 43)
(p 47) (p 50)
S3
S2
Wireless LAN
Module
3
---
---
S3
B
3
(p 35)
Ink System Unit
2
1
(p 40) (p 47)
S2
ASF Drive Change
Lever Assy
---
1
---
Spur Gear 11.2
---
---
---
Compound Gear
16,10.4
---
---
---
ASF Drive Change
Lever Holder
---
---
---
Spur Gear 11.2
---
---
---
Extension Spring
0.63
---
---
---
C
(p 35)
Option
Connector
---
2
---
Maintenance Box
Ink Eject Joint
2
---
---
S14
CR Scale /
Extension Spring
2.03
---
---
(p 43) (p 50)
Screw type/torque list
Symbol Screw Type Torque
C.B.P-TITE SCREW 2x6-F/ZN-3C 2 ± 1 kgf·cm
C.B.P-TITE SCREW 3x10-F/ZN-3C 6 ± 1 kgf·cm
C.B.S-TITE SCREW 3x6-F/ZN-3C 6
± 1 kgf·cm
C.P.SCREW 3x6-F/ZN-3C 6 ± 1 kgf·cm
C.P.SCREW 3x6-F/ZN-3C 2
± 5 kgf·cm
C.B.P-TITE (P2) SCREW 3x10-F/ZN-3C 6 ± 1 kgf·cm
C.B.P-TITE SCREW 3x8-F/ZN-3C 6
± 1 kgf·cm
C.P.SCREW 2.5x6-F/ZN-3C 2 ± 5 kgf·cm
C.P.SCREW 3x5-F/ZN-3C 6
± 1 kgf·cm
C.B.S-TITE (P4) SCREW 3x8-F/ZN-3C 6 ± 1 kgf·cm
C.B.P-TITE SCREW 2.5x8-F/ZN-3C 6
± 1 kgf·cm
C.B.P-TITE SCREW 2x10-F/ZN-3C 3 ± 0.5 kgf·cm
C.B.P-TITE (S-P1) SCREW 3x12-F/ZN-3C 6
± 1 kgf·cm
C.B.S-TITE (P4) SCREW 3x10-F/ZN-3C 6 ± 1 kgf·cm
C.P.SCREW 3x4-F/ZN-3C 6
± 1 kgf·cm
C.B.EP-TITE SCREW 2.6x17 (B=14) F/ZN-3C 2.5 ± 0.4 kgf·cm
P.W.,2.8x0.5x6.5-F/ZN-3C 3
+ 0.5 kgf·cm
C.P.SCREW 2.5x6-F/ZN-3C 6 ± 1 kgf·cm
C.B.S-TITE(P2) SCREW,3x8-F/ZB-3C 6
± 1 kgf·cm
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
S12
S13
S14
S15
S16
S17
S18
S19
(p 35)
Housing Rear
Assy
USB Cover
Shaft drive
pick up
---
2
---

Epson WF-4640 Series Specifications

General

Max Print Resolution	4800 x 1200 dpi
Automatic Duplex Printing	Yes
Scanner Type	Color flatbed / ADF
Max Scan Resolution	1200 x 2400 dpi
Connectivity	USB, Ethernet, Wi-Fi, Wi-Fi Direct, NFC
Functions	Print, Copy, Scan, Fax
Mobile Printing	Epson Connect, Apple AirPrint, Google Cloud Print
Ink Type	DURABrite Ultra pigment ink
OS Compatibility	Windows, Mac
Print Technology	Inkjet
Print Speed (ISO)	20 ppm (black), 20 ppm (color)
Paper Capacity	80 sheets rear feed
Display	color touchscreen
Weight	31.3 lbs