Epson L350 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 L350 Specifications

General

Print Technology	Inkjet
Print Method	On-demand inkjet (Piezoelectric)
Print Resolution	5760 x 1440 dpi
Minimum Ink Droplet Size	3 pl
Functions	Print, Copy, Scan
Scanner Type	Flatbed color image scanner
Output Tray Capacity	30 sheets
Connectivity	USB 2.0
Ink Colors	Black, Cyan, Magenta, Yellow
Weight	4.4 kg
Ink Tank System	Integrated Ink Tank System
Print Speed (Black)	33 ppm
Print Speed (Color)	15 ppm
Scan Resolution	600 x 1200 dpi
Paper Sizes	A4, A5, A6, B5, Letter, Legal, DL
Input Tray Capacity	100 sheets
Operating System Compatibility	Windows XP, Windows 7, Windows 8, Windows Vista, Mac OS X 10.5.8 or later
Dimensions	472 x 300 x 145 mm