Epson L120 - Table of Contents

7
L120 Revision A
Confidential
Contents
Chapter 1 Troubleshooting
1.1 Troubleshooting......................................................................................................................................................... 9
1.1.1 Troubleshooting Workflow .............................................................................................................................. 9
1.2 Power-On Sequence ................................................................................................................................................ 11
1.3 Fatal Error Code List............................................................................................................................................... 13
1.3.1 Printer Fatal Error Code ................................................................................................................................. 13
Chapter 2 Disassembly/Reassembly
2.1 Overview ................................................................................................................................................................. 16
2.1.1 Tools ............................................................................................................................................................... 16
2.1.2 Jigs .................................................................................................................................................................. 16
2.1.2.1 Making the Spring Hook Jig.................................................................................................................. 16
2.1.3 Locations of the Parts/Units ........................................................................................................................... 17
2.1.4 Standard Operation Time for Servicing the Product ...................................................................................... 21
2.1.5 Checks and Precautions before Disassembling .............................................................................................. 23
2.1.5.1 Factors which Affect the Print Quality .................................................................................................. 23
2.1.5.2 Factors which Affect the Safety of Service Personnel such as Ink Leakage during Operation ............ 24
2.2 Disassembly/Reassembly Procedures ..................................................................................................................... 28
2.2.1 Disassembly Flowchart................................................................................................................................... 29
2.2.2 Disassembly Flowchart (Printhead/Main Board) ........................................................................................... 33
2.3 Detailed Disassembly/Reassembly Procedure for each Part/Unit........................................................................... 34
2.4 Routing FFCs/cables ............................................................................................................................................... 40
Chapter 3 Adjustment
3.1 Required Adjustments ............................................................................................................................................. 43
3.2 Adjustment Program................................................................................................................................................ 47
3.2.1 Operating Environment .................................................................................................................................. 47
3.2.2 Details of the Adjustment Program ................................................................................................................ 47
3.2.2.1 CR Motor Heat Protection Control / PF Motor Heat Protection Control .............................................. 47
3.3 Mechanism Adjustment / Check ............................................................................................................................. 48
3.3.1 Checking the Platen Gap ................................................................................................................................ 48
3.3.2 CR/PF Belt Tension Check............................................................................................................................. 50
Chapter 4 Maintenance
4.1 Overview ................................................................................................................................................................. 53
4.1.1 Cleaning.......................................................................................................................................................... 53
4.1.2 Lubrication...................................................................................................................................................... 53
4.2 Lubrication Points and Instructions......................................................................................................................... 54
Chapter 5 Appendix
5.1 Connector Diagram ................................................................................................................................................. 57
5.2 Points to be checked before packing the printer...................................................................................................... 57
5.3 Protection for Transportation .................................................................................................................................. 58
5.3.1 Securing the CR Unit...................................................................................................................................... 58
5.3.2 Securing the Printer Cover ............................................................................................................................. 59