Service Manual for EPSON L1455 ET-16500 EW-M5071FT

Contents

Chapter 1 Troubleshooting
1.1 Troubleshooting....................... 10
1.1.1 Troubleshooting Workflow .... 10
1.2 Power-On Sequence  13
1.3 Fatal Error Code List....................... 15
1.4 Status sheet.............. 20
1.4.1 Start method of Service Support Mode .... 20
1.4.2 Description of Status sheet ................... 21

Chapter 2 Disassembly/Reassembly
2.1 Overview ................. 24
2.1.1 Tools ............... 24
2.1.2 Jigs.................. 24
2.1.3 Standard Operation Time for servicing the product ............... 25
2.1.4 Checks and Precautions before Disassembling ...................... 29
2.1.4.1 Factors which Affect the Print Quality .. 29
2.1.4.2 Factors which Affect the Safety of Service Personnel ............ 32
2.1.4.3 How to remove the CISS system ........... 34
2.1.4.4 Discharging procedure... 42
2.2 Common cautions when disassembling/reassembling the Product. 43
2.3 Disassembly/Reassembly Procedures ..................... 45
2.3.1 Functional differences between models ....................... 45
2.3.2 Disassembly Flowchart........... 47
2.3.2.1 Housing Part .................. 48
2.3.2.2 CISS System/Print Head Part ................ 49
2.3.2.3 Printer Mechanism Part . 50
2.4 Detailed Disassembly/Reassembly Procedure for each Part/Unit... 54
2.5 Routing FFCs/cables ....................... 65

Chapter 3 Adjustment
3.1 Required Adjustments ..................... 71
3.2 Details of Adjustments .................... 78
3.2.1 PF/CR Timing Belt Tension Measurement .... 78
3.2.1.1 PF Timing Belt Tension Measurement.. 79
3.2.1.2 CR Timing Belt Tension Check............. 80
3.2.2 PG Adjustment ....................... 81
3.2.2.1 PG Adjustment procedure...................... 81
3.2.2.2 Preparation ..................... 82
3.2.2.3 PG adjustment procedure....................... 85
3.2.2.4 Checking the Platen Gap 87
3.2.3 Touch Panel Adjustment ........ 88

Chapter 4 Maintenance
4.1 Cleaning................... 93
4.1.1 Cleaning the CR Unit ............. 93
4.1.2 Cleaning the Exterior Parts/inside of the printer ........... 94
4.2 Lubrication .............. 95
4.3 Lubrication Points and Instructions. 96

Chapter 5 Appendix
5.1 Connector Diagram ....................... 100
5.2 Protection for Transportation ........ 101
5.2.1 Securing the CR Unit............ 101