Epson FX-870 Service Manual page 9

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