Epson LQ-300 Epson Terminal Printer Service Manual – PDF

Description

Epson LQ-300 Epson Terminal Printer Service Manual – PDF DOWNLOAD

FILE DETAILS:

Epson LQ-300 Epson Terminal Printer Service Manual – PDF DOWNLOAD

Language : English
Pages : 119
Downloadable : Yes
File Type : PDF

IMAGES PREVIEW OF THE MANUAL:

TABLE OF CONTENTS:

Epson LQ-300 Epson Terminal Printer Service Manual – PDF DOWNLOAD

11 FEATURES 1-1
12 SPECIFICATIONS 1-2
121 Hardware Specifications
Paper Handling Specifications
Paper Specifications
Printable Area
Ribbon Specifications
Electrical Specifications
Environmental Conditions
Reliability
Safety Approvals
Physical Specifications
122 FirmwareS pacifications
13 INTERFACE SPECIFICATIONS
131 Paraliellnterface 1-11
131I Compatible Mode1-11
1312 Reverse Mode I-13
132 Serial Interface1-14
133 Interface Selection 1-15
134 Preventing the Host from Data TransferTimeout 1-15
14 OPERATING INSTRUCTIONS 1-16
141 Control Panel Operation
142 Self-test Function
143 Hexadecimal Dump Function
144 Micro Adjustment Function
145 PrinterStatus Indication
146 Selected Font
147 Printer Initialization
1471 Power-on Initialization
1472 Hardware Initialization
1473 Software Initialization
148 PrinterSettings: :
1481 Selectable PrinterSettings
1482 Changing the Default Settings
15 MAIN COMPONENTS 1-24
151 C143 MAIN Board 1-24
152 C130PSB/PSE Board 1-24
153 Printer Mechanism (M-5M1O) 1-25
154 Housing Assembly 1-25
List of Figures
Figure 1-1 Exterior View of the LQ-300 1-1
Figure l-2 Pin Configuration1-2
Figure l-3 PrintableAreafor Cut Sheets 1-5
Figure l-4 PrintableAreafor Envelopes 1-6
Figure l-5 PrintableAreafor Continuous Paper 1-6
Figure l-6 Data Transmission Timing1-11
Figure 1-7 Control Panel 1-16
Figure l-8 C143 MAIN Board Component Layout I-24
Figure l-9 C130 PSB/PSE Board Component Layout 1-24
Figure 1-10 Printer Mechanism (M-5 M1O)1-25
Figure 1-11 Housing Assembly1-25
List of Tables
Table l-1 Optional Units 1-1
Table l-2 PaperThickness LeverSettings 1-3 –
Table l-3 Feeding Speed 1-4 (:;
Table 1-4 Specifications for Cut Sheet Paper (CSF) 1-4
Table 1-5 Specifications for Cut Sheet Paper (Manual Insertion)1-4
-6 Specifications forEnvelopes1-4
-7 Specifications for Continuous Paper (Single Sheet and Multi-Part) 1-4
-8 Specifications for Continuous Paper with a Label 1-5
-9 Electrical Ranges1-7
-lO CharacterTables 1-8
-11 Resolution1-9
-12 Printing Speed1-10
-13 Signal and Connector Pin Assignments forthe Parallel Interface 1-12
-14 Signal and ConnectorPin Assignments forthe Parallel Interface 1-13
-15 Signal and Connector Pin Assignments forthe Serial Interface 1-14
-16 Paper Feeding Functions1-17
-17 Font Selection1-19
-18 Font Lightsand Language Selection1-20
-19 Default Options1-21
-20 CharacterTables 1-21
21 Page Length 1-22
-22 SkiDOver Perforation/Auto TearOff/AGM/Auto Line Feed
EX~/ACK/ State Reply 1-22
Table l-23 Graphic Ptint Direction 1-22
Table l-24 Software 1-22
Tablel-25interface 1-22
Table l-26 Bit Rate 1-22
Table 1-27 Parity Bit 1-23
Table 1-28 Data Length 1-23

DESCRIPTION:

Epson LQ-300 Epson Terminal Printer Service Manual – PDF DOWNLOAD

PREFACE”

• This manual describes functions, theory of electrical and mechanical operations, maintenance, and repair of LQ-300.
• The instructions and procedures included herein are intended for the experience repair technician, and attention should be given to the precautions on the preceding page.

The chapters are organized as follows:

• CHAPTER 1. PRODUCT DESCRIPTION Provides a general product overview, lists specifications, and illustrates the main components of the printer.
• CHAPTER 2. OPERATING PRINCIPLES Describes the theory of printer operation.
• CHAPTER 3. DISASSEMBLY AND ASSEMBLY Includes a step-by-step guide for product disassembly and assembly.
• CHAPTER 4. ADJUSTMENTS Includes a step-by-step guide for adjustment.
• CHAPTER 5. TROUBLESHOOTING Provides Epson-approved techniques for adjustment.
• CHAPTER 6. MAINTENANCE Describes preventive maintenance techniques and lists lubricants and adhesives required to service the equipment.
• APPENDIX Describes connector pin assignments, circuit diagrams, circuit board component layout and exploded diagram.

G.B 01/03/25