Table Of Contents - Epson ET-4550 Service Manual

Table of Contents

Safety Precautions3
Chapters Contents5
Table Of Contents7
Troubleshooting9
Troubleshooting Troubleshooting Workflow Workflow10
Power-On Power-On Sequence Sequence11
Fatal Fatal Error Error Code Code List List13
Overview19
Tools19
Jigs20
Locations Of Parts20
Exterior Parts View21
Printer Mechanism View21
Ink Tank Unit View23
Standard Operation Standard Operation Time For Servicing The Product24
Checks And Precautions Before Disassembling27
Factors Which Affect The Print Quality27
How To Place The Ink Tank Assy When Disassembling/Reassembling27
Tha Parts That May Cause Ink Spill When Removing28
Facto28
To Minimize The Ink Spill29
Discharging Ink From The Ink Supply Tank30
Common Caution When Disassembling/Reassembling The Product34
Functional Differences Between Models And Component Parts36
Disassembly/Reassembly Disassembly/Reassembly Procedures Procedures36
Disassembly Disassembly Flowchart37
Part/Unit37
Detailed Disassembly/Reassembly Procedure For Each Part/Unit41
Routing Ffcs/Cables44
Chapter 3 Adjustment46
Required Adjustments47
Adjustment Program49
Operating Environment49
Cr Motor Heat Protection Control/Pf Motor Heat Protection Control50
Scanner Motor Heat Protection50
Program50
Procedure50
Mac Address Setting51
Checking The Platen Gap52
Confirmation Procedure54
Maintenance56
Cleaning The Nozzle Plate Section Of The Printhead56
4.1 Cleaning56
Cleaning The Cr Unit57
Cleaning The Exterior Parts/Inside Of The Printer58
Lubrication59
Lubrication Lubrication60
Instructions60