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LX-300+II RTP
Epson LX-300+II RTP User Manual
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EPSON LX-300+II/300+II RTP/1170II
Revision D
Disassembly and Assembly
Overview
67
Table 4-3. List of Screws
Screw
Name
Screw
Name
C.B.P., Tite,
3x10 F/ZN
C.P., Screw, 3x4 F/ZN
C.P.B., Screw, 3x14 F/ZN
C.B(O), Screw, 4x8 F/ZN
C.B.S., Screw, 3x4 F/Zn
Jack Socket
C.B.B., (W(13), 3x14 F/ZN
66
68
Table of Contents
Default Chapter
1
Service Manual
1
About this Manual
4
Manual Configuration
4
Symbols Used in this Manual
4
Table of Contents
6
Chapter 1 PRODUCT DESCRIPTION
8
Features
9
Specifications
10
Printing Specification
10
Paper Feeding
12
Electrical Specification
13
Environmental Condition
13
Reliability
14
Ribbon Cartridge
14
Safety Approvals
14
CE Marking
14
Recommended Printable Area
15
Interface Specifications
18
Parallel Interface (Forward Channel)
18
Parallel Interface (Reverse Channel)
20
Serial Interface
21
USB Interface
22
Interface Selection
23
Prevention of Hosts from Data Transfer Time-Out
23
IEEE1284.4 Protocol
23
Operation
24
Control Panel
24
Functions
26
Default Setting
27
Errors
28
Control Codes
29
Esc/P2
29
IBM 2380/2381 Plus Emulation
30
Bi-Directional Commands
31
Reply Printer Status
33
Initialization
35
Paper Specifications
36
Physical Specifications
39
Physical Specifications for LX-300+II
39
Physical Specifications for LX-1170II
40
Accessories
41
Chapter 2 Operating Principles
42
Overview
43
Printer Mechanism
44
Printhead
45
Carriage Mechanism
46
Ribbon Mechanism
48
Platen Gap Adjustment Mechanism
50
Paper Feed Mechanism
51
Release Mechanism
53
Other Special Functions
53
Electrical Circuit Operating Principles
54
MAIN Board Electric Circuit
54
C294PSB / C294PSE Board
55
Overview
57
Chapter 3 Troubleshooting
58
Initialization Check
58
Check Performance by Self-Check Function
58
Identify Problems from Symptoms
59
Unit and Parts Check
63
Sensor Check
64
Printhead Driver Check
64
Chapter 4 Disassembly and Assembly
66
Overview
66
Precautions
66
Tools
66
Service Checks after Repair
68
Disassembly and Assembly
69
Printhead Unit Removal
70
Upper Housing Unit Removal
71
Printer Mechanism Removal
72
Panel Board Assembly Removal
73
Main Board Assembly Removal
74
P/S Board Assembly Removal
75
Printer Mechanism Disassembly
76
Chapter 5 Adjustment
85
Adjustment Tool
86
System Requirement
86
Running the Program
86
Adjustments
89
Platen Gap Adjustment
89
Bi-D Adjustment
90
Top Margin Adjustment
90
Bottom Margin Adjustment
91
Chapter 6 Maintenance
93
Maintenance
93
Cleaning
93
Lubrication
93
Disassembly and Assembly
98
Printhead Unit Removal
99
Upper Housing Unit Removal
100
Printer Mechanism Removal
101
Panel Board Assembly Removal
102
Main Board Assembly Removal
103
P/S Board Assembly Removal
104
Printer Mechanism Disassembly
104
Adjustment
105
Parts List
106
Exploded Diagrams
108
Chapter Appendix
111
Connector Summary
111
Major Component Unit
111
Pin Assignments
111
EEPROM Address Map
114
Parts List
117
Exploded Diagrams
122
Electric Circuit Schematics
126
4
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Epson LX-300+II RTP Specifications
General
Brand
Epson
Model
LX-300+II RTP
Category
Printer
Language
English
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