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Epson WF-4640 Series User Manual

Epson WF-4640 Series
90 pages
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Epson WF-5690/4640/4630/5620/5190/5110 series Revision D
Confidential
Contents
Chapter 1 Troubleshooting
1.1 Troubleshooting....................................................................................................................................................... 10
1.1.1 Troubleshooting Workflow ............................................................................................................................ 10
1.1.2 Power-On Sequence ....................................................................................................................................... 12
1.1.3 Fatal Error....................................................................................................................................................... 14
1.1.4 Status sheet ..................................................................................................................................................... 19
1.1.4.1 Start method of Inspection Mode........................................................................................................... 19
1.1.4.2 Description of Status sheet (Non-disclosed information to user).......................................................... 20
Chapter 2 Disassembly/Reassembly
2.1 Overview ................................................................................................................................................................. 23
2.1.1 Tools............................................................................................................................................................... 23
2.1.2 Jigs.................................................................................................................................................................. 23
2.1.3 Standard Operation Time for servicing the product ....................................................................................... 24
2.2 Disassembly/Reassembly Procedures ..................................................................................................................... 27
2.2.1 Caution when Replacing the Printhead/Ink Supply Unit................................................................................ 27
2.2.2 Parts/Units Need to be Removed in Advance ................................................................................................ 29
2.2.3 Disassembly Flowchart................................................................................................................................... 30
2.2.3.1 Parts/Units whose Configuration is Different between Models in the Flowchart................................. 30
2.2.3.2 Exterior Parts ......................................................................................................................................... 32
2.2.3.3 Printer Mechanism................................................................................................................................. 34
2.2.3.4 Printhead/Ink Supply Unit ..................................................................................................................... 36
2.2.3.5 2nd Cassette Unit................................................................................................................................... 37
2.3 Detailed Disassembly/Reassembly Procedure for each Part/Unit........................................................................... 38
2.4 Routing FFCs/Cables .............................................................................................................................................. 46
Chapter 3 Adjustment
3.1 Required Adjustments............................................................................................................................................. 51
3.2 Details of Adjustments............................................................................................................................................ 58
3.2.1 PF Timing Belt Tension Check...................................................................................................................... 58
3.2.2 Rear ASF Timing Belt Tension Check........................................................................................................... 59
3.2.3 Head Angular Mechanism adjustment. .......................................................................................................... 60
3.2.3.1 Preparation of the Head Angular Adjustment........................................................................................ 60
3.2.3.2 Adjustment Procedure............................................................................................................................ 62
3.2.4 PG Adjustment ............................................................................................................................................... 67
3.2.4.1 Preparation............................................................................................................................................. 68
3.2.4.2 PG Adjustment procedure...................................................................................................................... 71
3.2.5 Checking the Platen Gap ................................................................................................................................ 75
3.2.6 Touch Panel Adjustment (WF-5690/4640/4630/5620 series only)................................................................ 76
3.2.7 Ink Leak Check............................................................................................................................................... 79
Chapter 4 Maintenance
4.1 Overview ................................................................................................................................................................. 83
4.1.1 Cleaning.......................................................................................................................................................... 83
4.1.2 Lubrication...................................................................................................................................................... 83

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Epson WF-4640 Series Specifications

General IconGeneral
Max Print Resolution4800 x 1200 dpi
Automatic Duplex PrintingYes
Scanner TypeColor flatbed / ADF
Max Scan Resolution1200 x 2400 dpi
ConnectivityUSB, Ethernet, Wi-Fi, Wi-Fi Direct, NFC
FunctionsPrint, Copy, Scan, Fax
Mobile PrintingEpson Connect, Apple AirPrint, Google Cloud Print
Ink TypeDURABrite Ultra pigment ink
OS CompatibilityWindows, Mac
Print TechnologyInkjet
Print Speed (ISO)20 ppm (black), 20 ppm (color)
Paper Capacity80 sheets rear feed
Displaycolor touchscreen
Weight31.3 lbs

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