EPSON ET-M16680 M16600 M15140 M15146 M15147 M15180 Service Manual

EPSON ET-M16680 M16600 M15140 M15146 M15147 M15180

Service Manual

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Contents

Chapter 1 Operating Principles
1.1 Overview .............................................................................................................. 12
1.1.1 Printhead ...................................................................................................... 12
1.1.2 Carriage Mechanism / APG Mechanism ..................................................... 13
1.1.3 Paper Loading/Feed Mechanism ................................................................. 14
1.1.4 Ink Supply Mechanism................................................................................ 15
1.1.5 Ink System Mechanism................................................................................ 16
1.1.6 Scanner Mechanism..................................................................................... 17
1.1.7 ADF Mechanism.......................................................................................... 18
1.1.8 List of Motor and Sensor ............................................................................. 20
1.2 APG Mechanism Operating Principles ................................................................ 22
1.2.1 Overview...................................................................................................... 22
1.2.2 Operating Principles .................................................................................... 23
1.2.2.1 Driving Path .........................................................................................23
1.2.2.2 PG Type ...............................................................................................24
1.3 Paper Loading/Feed Mechanism Operating Principles ........................................ 25
1.3.1 Overview...................................................................................................... 25
1.3.1.1 Paper Feeding Path ..............................................................................26
1.3.2 Operating Principles .................................................................................... 29
1.3.2.1 Driving Path .........................................................................................29
1.3.2.2 How Cassette Stopper Assy Works .....................................................36
1.3.2.3 Pre-paper Loading and 2-sheet Loading Control.................................36
1.3.2.4 Stacker Auto Open/Close Mechanism .................................................37
1.4 Ink System Mechanism ........................................................................................ 39
1.4.1 Overview...................................................................................................... 39
1.4.1.1 Mechanical Configuration ...................................................................39
1.4.1.2 Cleaning ...............................................................................................40
1.4.1.3 Controlling Waste Ink..........................................................................40
1.4.2 Operating Principles .................................................................................... 41
1.4.2.1 Drive Path ............................................................................................41
1.4.3 Operation of Each Mechanism .................................................................... 43
1.4.3.1 Pump Mechanism ................................................................................ 43
1.4.3.2 Cap Mechanism ................................................................................... 44
1.4.3.3 Carriage Lock Mechanism................................................................... 45
1.4.3.4 Wiper Mechanism................................................................................ 45
1.4.3.5 Venting Valve ...................................................................................... 46
Chapter 2 Troubleshooting
2.1 Troubleshooting.................................................................................................... 48
2.1.1 Troubleshooting Workflow ......................................................................... 48
2.2 Power-On Sequence ............................................................................................. 51
2.3 Fatal Error Code List............................................................................................ 52
2.3.1 Displaying the Fatal Error Code.................................................................. 52
2.3.2 Fatal Error Code .......................................................................................... 52
2.3.2.1 ADF/Scanner ....................................................................................... 53
2.3.2.2 Printer (CR).......................................................................................... 60
2.3.2.3 Printer (PF) .......................................................................................... 62
2.3.2.4 Printer (ASF)........................................................................................ 64
2.3.2.5 Printer (2nd ASF)................................................................................. 66
2.3.2.6 Printer (I/S) .......................................................................................... 68
2.3.2.7 Printer (Stacker)................................................................................... 70
2.3.2.8 Printer (RASF)..................................................................................... 72
2.3.2.9 Printer (Head/CSIC) ............................................................................ 74
2.3.2.10 Printer (Others) .................................................................................. 75
2.3.2.11 System Error ...................................................................................... 76
2.4 Normal Error Code List........................................................................................ 77
2.4.1 Printer Error................................................................................................. 77
2.4.2 Network Error.............................................................................................. 86
2.4.3 Other Error................................................................................................... 90
2.5 Status Sheet Information ...................................................................................... 91

Chapter 3 Disassembly/Assembly
3.1 Overview ............................................................................................................ 102
3.1.1 Tools .......................................................................................................... 102
3.1.2 Jigs ............................................................................................................. 102
3.1.3 Locations of the Parts/Units....................................................................... 102
3.1.4 Standard Operation Time for Servicing the Product ................................. 104
3.1.5 Checks and Precautions before Disassembling ......................................... 107
3.1.5.1 Factors which Affect the Print Quality ..............................................107
3.1.5.2 Minimizing Ink Leakage during Disassembly for Your Safety.........109
3.1.5.3 Ink Discharging Procedure ................................................................111
3.2 Common Cautions on Disassembly/Reassembly ............................................... 112
3.3 Disassembly/Reassembly Procedures ................................................................ 114
3.3.1 Parts/Components Need to be Removed Before Disassembly/
Reassembly................................................................................................. 114
3.3.2 Disassembly Flowchart.............................................................................. 115
3.3.3 Repairing Major Components Disassembly/Assembly Procedure............ 122
3.3.3.1 Maintenance Box ...............................................................................122
3.3.3.2 Cover Tank Front...............................................................................122
3.3.3.3 Housing Left ......................................................................................124
3.3.3.4 Housing Right ....................................................................................126
3.3.3.5 Rear ASF Cover Assy........................................................................128
3.3.3.6 ADF/Scanner Unit Assy ....................................................................130
3.3.3.7 Printhead ............................................................................................131
3.3.3.8 Housing Upper ...................................................................................137
3.3.3.9 Inksystem Unit ...................................................................................138
3.3.3.10 Ink Supply Assy...............................................................................141
3.3.3.11 2nd Bin Assy....................................................................................146
3.3.3.12 Main Board ......................................................................................148
3.3.3.13 Rear ASF Unit..................................................................................150
3.3.3.14 CR Unit w/CR Guide Shaft..............................................................152
3.3.3.15 Paper Guide Upper Left/Paper Guide Upper Center/
Paper Guide Upper Right .................................................................155
3.3.3.16 Porous Pad A/Porous Pad B.............................................................157
3.4 Detailed Disassembly/Reassembly Procedure for each Part/Unit...................... 161
3.5 Routing FFCs/cables .......................................................................................... 165
Chapter 4 Adjustment
4.1 Required Adjustments ....................................................................................... 170
4.2 Adjustment Program........................................................................................... 175
4.2.1 Operating Environment ............................................................................. 175
4.2.2 Adjustment and Inspection List................................................................. 175
4.2.3 Details of the Adjustment Program ........................................................... 180
4.2.3.1 Adjustment (Print Adjustment by Program)...................................... 180
4.3 Mechanism Adjustment / Check ........................................................................ 187
4.3.1 Checking the Platen Gap ........................................................................... 187
4.3.1.1 PG Adjustment procedure.................................................................. 187
4.3.1.2 Preparation ......................................................................................... 187
4.3.1.3 PG adjustment procedure................................................................... 190
4.3.1.4 Checking the Platen Gap.................................................................... 192
Chapter 5 Maintenance
5.1 Cleaning.............................................................................................................. 194
5.1.1 Cleaning the CR Unit ................................................................................ 194
5.1.2 Cleaning the Exterior Parts/inside of the printer ....................................... 195
5.2 Lubrication ......................................................................................................... 195
5.2.1 Lubrication Points and Instructions........................................................... 196
Chapter 6 Appendix
6.1 Connection Diagram........................................................................................... 202
6.2 Head Fuse ........................................................................................................... 203
6.3 Protection for Transportation ............................................................................. 204
6.3.1 Securing the CR Unit................................................................................. 204
6.3.2 Protection of Stacker Assy ........................................................................ 205
6.3.3 Protection of Cassette Cover ..................................................................... 205
6.3.4 Protection of Scanner Unit ........................................................................ 206
6.3.5 Securing the Tank Cover ........................................................................... 207
6.3.6 Protection of Paper Support....................................................................... 207
6.3.7 Securing the ADF Document Support....................................................... 208
6.3.8 Securing the Paper Support Cover............................................................. 208
6.3.9 Securing the Maintenance Box.................................................................. 209