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Epson LX-810 Technical Manual
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REV.-A
4.2.2.2
Control Panel (TAPNL) Removal
1.
Remove the upper casing (as described in the previous Section).
2. Turn the upper casing over, push in the two notches on the casing that are securing the control panel
to it, and remove the control panel.
anel
Figure 4-8. Control Panel
Removal
4-7
112
114
Table of Contents
Rev.-A Chapter 1 General Description
7
Technical Manual
1
Table of Contents
7
Chapter 1 Features
9
Table 1-2. Optional Unit
9
Figure 1-1. Exterior View of the LX-810/850
10
Figure 1-2. Pin Configuration
11
Hardware Specifications
11
Table 1-3. Cut-Sheet Specifications
12
Table 1-4. Continuous Paper Specifications
12
Table 1-5. Roll Paper Specifications
12
Table 1-6. Envelope Specifications
13
Table 1-7. Label Specifications
13
Figure 1-3. Cut-Sheet Printing Area
14
Figure 1-4. Printing Area for Continuous Paper
15
Firmware Specifications (ESC/P)
18
Table 1-8. Printing Speed
18
Figure 1-6. Data Transmission Timing
20
Table 1-11. Connector Pin Assignments and Signal Functions
20
Table 1-12. Printer Select/Deselect Control
22
DIP Switch Settings
23
Jumper Setting
23
Table 1-14. Settings for DIP Switch 2 (SW2)
23
Table 1-15. International Character Set Selection
23
Sheet Loading and Sheet Ejection
24
Tear-Off Function
25
Operating Instructions
26
Self-Test
26
Hexadecimal Dump Function
27
Buzzer Operation
28
Printer Initialization
29
Adjust Lever Operation
29
Figure 1-9. Lever Position
29
Table 1-16. Lever Position
29
Main Components
30
TAPNL-W Control Panel
31
TA Filter Unit
32
Chapter 2 Principles of Operation
34
Principles of Operation
34
List of Tables
36
Overview
37
Connector Summary
37
Outline of Printer Mechanism Operation
39
Sensors
40
Printhead
43
Power Supply Circuit
45
TA Filter Unit
46
DC Power Supply Circuit
49
DC Power Supply Circuit
55
Reset Circuit
56
Power-On Reset
56
Operation at Reset
57
Power-Off Reset
57
Carriage Operation
58
Carriage Mechanism
58
Carriage Motor Specification
58
Carriage Motor Software Control
68
Paper Feed
71
Paper Feed Mechanism Operation
71
Paper-Feed Motor Specifications
72
Paper-Feed Motor Drive Circuit
73
Paper-Feed Motor Software Control
74
Printhead
75
Printhead Printing Operation
75
Printhead Specification
75
Printhead Drive Circuit Block Diagram
76
Gate Array E05A30 Operation in Printhead
76
Drive Circuit
76
Chapter 3 Optional Equipment
83
Optional Equipment
83
Interface Options
85
Cut Sheet Feeder C80612
88
Cut Sheet Feeder C80612* Specifications
89
General Specifications
89
Paper Specifications
89
Printable Area
90
Dimensions and Weight
91
Cut Sheet Feeder Operating Principles
92
Mechanism Operation
93
Cut Sheet Feeder Disassembly and Reassembly
94
Cut Sheet Feeder Preventive Maintenance
98
Cleaning
98
Lubrication
98
Pull Tractor C80006
100
Pull Tractor Operation
100
Pull Tractor Disassembly and Reassembly
101
Chapter 4 Disassembly, Assembly, and Adjustment
104
Disassembly and Reassembly
109
Printhead Removal
109
Removal of Casing
111
Upper Casing Removal
111
Control Panel (TAPNL) Removal
113
Removal of Circuit Boards
114
TAMA Board Removal
114
TA Filter Unit Removal
115
Removal of Printer Mechanism
116
Removal of Platen Unit and Paper Guide
116
Disassembly of Printer Mechanism
120
Removal of the Paper-Feed Mechanism
120
Removal of Paper-Feed Motor, Release Lever, and
122
Release/Tractor Sensor
123
Removal of Paper-End Sensor
124
Disassembly of Platen Unit
124
Removal of Carriage Unit
125
Removal of Carriage Motor
128
Removal of Home-Position Sensor
130
Disassembly of Ribbon-Feed Mechanism
130
Disassembly of the Tractor Unit
131
A D J U S T M E N T
133
Platen Gap Adjustment
133
Chapter 5 Troubleshooting
135
List of Figures
135
Troubleshooting
135
Printhead Removal
136
General
136
Unit Replacement
136
TAMA Control Board Unit Repair
146
Printer Mechanism Repair
153
Preventive Maintenance
157
Lubrication and Adhesive Application
157
Other manuals for Epson LX-810
User Manual
313 pages
User Guide
129 pages
Manual
8 pages
Product Support Bulletin
8 pages
4
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Epson LX-810 Specifications
General
Brand
Epson
Model
LX-810
Category
Printer
Language
English
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