Epson L355 Service Manual

7
L350/L300/L355/L210/L110 Series Revision B
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
1.3.2 Scanner Fatal Error Code ............................................................................................................................... 15
Chapter 2 Disassembly/Reassembly
2.1 Overview ................................................................................................................................................................. 17
2.1.1 Tools ............................................................................................................................................................... 17
2.1.2 Jigs .................................................................................................................................................................. 17
2.1.2.1 Making the Spring Hook Jig.................................................................................................................. 17
2.1.3 Locations of the Parts/Units ........................................................................................................................... 18
2.1.4 Standard Operation Time for Servicing the Product ...................................................................................... 22
2.1.5 Checks and Precautions before Disassembling .............................................................................................. 25
2.1.5.1 Factors which Affect the Print Quality .................................................................................................. 25
2.1.5.2 Factors which Affect the Safety of Service Personnel such as Ink Leakage during Operation ............ 26
2.2 Disassembly/Reassembly Procedures ..................................................................................................................... 30
2.2.1 Disassembly Flowchart................................................................................................................................... 31
2.2.2 Disassembly Flowchart (Printhead/Main Board) ........................................................................................... 39
2.3 Detailed Disassembly/Reassembly Procedure for each Part/Unit........................................................................... 40
2.4 Routing FFCs/cables ............................................................................................................................................... 49
Chapter 3 Adjustment
3.1 Required Adjustments ............................................................................................................................................. 53
3.2 Adjustment Program................................................................................................................................................ 58
3.2.1 Operating Environment .................................................................................................................................. 58
3.2.2 Details of the Adjustment Program ................................................................................................................ 58
3.2.2.1 CR Motor Heat Protection Control / PF Motor Heat Protection Control .............................................. 58
3.2.3 Scanner Motor Heat Protection Control ......................................................................................................... 59
3.3 Mechanism Adjustment / Check ............................................................................................................................. 60
3.3.1 Checking the Platen Gap ................................................................................................................................ 60
3.3.2 CR/PF Belt Tension Check............................................................................................................................. 62
Chapter 4 Maintenance
4.1 Overview ................................................................................................................................................................. 65
4.1.1 Cleaning.......................................................................................................................................................... 65
4.1.2 Lubrication...................................................................................................................................................... 65
4.2 Lubrication Points and Instructions......................................................................................................................... 66
Chapter 5 Appendix
5.1 Connector Diagram ................................................................................................................................................. 72
5.2 Points to be checked before packing the printer...................................................................................................... 73
5.3 Protection for Transportation .................................................................................................................................. 74
5.3.1 Securing the CR Unit...................................................................................................................................... 74
5.3.2 Securing the Paper Support Assy ................................................................................................................... 75
5.3.3 Securing the Ink Supply Tank Assy/Top Cover............................................................................................. 76

Epson L355 Specifications

General

Brand	Epson
Model	L355
Category	Printer
Language	English