Service manual

Chapter 3
Disassembly and Assembly
General Repair Information
............................................................
3-l
Tools
...........................................................................................
3-2
Small Parts
................................................................................
3-3
Service Checklist
.......................................................................
3-5
Disassembly and Assembly
.............................................................
3-6
Removing the Printhead
........................................................... 3-7
Removing
the Case..
..................................................................
3-8
Removing
the Circuit
Boards..
..................................................
3-11
Removing the Printer Mechanism
............................................
3-14
Disassembling
the
Printer
Mechanism..
...................................
3-19
Chapter 4
Adjustment
Adjustment Overview
......................................................................
4-1
Adjusting the Platen Gap
................................................................
4-1
Adjusting
the Bidirectional
Printing Alignment..
..........................
4-4
VRl and VR2 Specifications
......................................................
4-5
Adjustment Procedures
.............................................................
4-6
Chapter 5
Troubleshooting
Procedure for Troubleshooting the Printer
.....................................
5-1
Unit Replacement
.......................................................................... 5-1
Repair
of the
Main Board..
..............................................................
5-10
Repair of the Printer Mechanism
....................................................
5-17
Chapter 6
Maintenance
Preventive Maintenance
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-1
Lubrication and Adhesive Application
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-1
LQ-2OO/AP3000