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Contents
Chapter 4
Disassembly and Assembly
Precautions
.............................................................................................
4-1
Tools
.......................................................................................................
4-1
Service Checks After Repair
..................................................................
4-2
Screw Specifications
...............................................................................
4-3
Notes for Unit Removal and Installation
..............................................
4-4
Items to Remove Before Disassembling the Printer
.............................
4-5
Removing the Panel Unit
.......................................................................
4-6
Removing the Printhead
........................................................................
4-7
Removing the Upper Housing Assembly
...............................................
4-8
Removing the Printer Mechanism
.........................................................
4-9
Chapter 5
Adjustments, Maintenance, and
Lubrication
Adjusting the Printer Mechanism
...........................................................
5-1
Bidirectional Alignment Adjustment
.......................................................
5-3
Preventive Maintenance
..........................................................................
5-5
Lubrication
...............................................................................................
5-5
Chapter 6
Principles of Operation
Printer Mechanism Operation
.................................................................
6-1
Power Supply Operation
........................................................................
6-19
Control Circuit Operation
......................................................................
6-22
Chapter 7
Reference Materials
Connector Summary
................................................................................
7-1
Circuit Diagrams
......................................................................................
7-5
Circuit Board Component Layouts
........................................................
7-10
Outline Drawings
...................................................................................
7-13
X
Epson FX-870/1170