Epson LX-300 Interface Specifications

Power consumption Approx. 30 W (during self-test printing in

Draft mode at 10 cpi)

Environmental

Temperature: Operation 5 to 35°C (41 to 95°F)

Storage −20 to 55°C (−4 to 131°F)

Humidity: Operation 30% to 80% without condensation

Storage 5% to 85% without condensation

Safety approvals

Safety standards:

US model UL1950 with D3, CSA22.2 No.950 with D3

European model EN 60950 (TÜV, SEMKO, DEMKO,

NEMKO, SETI)

RFI:

US model FCC part 15 subpart B class B

European model Vfg 243 (VDE 0878 part 3, part 30)

EN 55022 (CISPR Pub. 22) Class B

Interface Specifications

Your printer is equipped with an EIA-232D serial interface and a

Centronics-compatible parallel interface. The printer switches

automatically to the appropriate interface when it receives data.

Parallel interface specifications

The parallel interface has the following characteristics.

Data format: 8-bit

Synchronization: STROBE pulse

Handshaking: BUSY and ACKNLG signals

Signal level: TTL compatible

Connector: 36-pin 57-30360 Amphenol connector or

equivalent

R

Blueberry REV.E

A5 size Appendix

95/04/17

Appendix A-7

Contents

Main Page EPSON LX-300 Users Guide FCC Compliance Statement For United States Users ii For Canadian Users A5 size Front 95/04/17 Where to Get Help for United States Users For United Kingdom Users Epson product guarantee iv Use of options Safety information vi Contents Introduction Chapter 1 Setting Up the Printer Chapter 2 Using the Printer Chapter 3 Troubleshooting viii Appendix Index x Introduction Features Finding Your Way Around Warnings, Cautions, and Notes 2 w c Notes Important Safety Instructions 4 Chapter 1 Setting Up the Printer Unpacking the Printer 1-2 Choosing a place for the printer Assembling the Printer Installing the paper-feed knob 1-4 Attaching the paper supports Installing the ribbon cartridge w 1-6 Page 1-8 Plugging in the printer Running the Self Test 1-10 PAUSE 1-12 Connecting the Printer to Your Computer Using the parallel interface 1-14 Using the serial interface Setting Up Your Software 1-16 Microsoft Windows Using non-Windows software 1-18 Chapter 2 Using the Printer Using the Control Panel Lights and buttons 2-2 FONT 1 and FONT 2 lights FONT button Page Selecting fonts 2-4 Printing on Single Sheets Loading single sheets Adjusting the loading position Getting the results you expect 2-6 Printing on Continuous Paper Printing with the push tractor 2-8 Page 2-10 Switching back to single sheets Printing with the pull tractor 2-12 Page 2-14 Printing on Special Paper Adjusting the paper-thickness lever 2-16 Multi-part forms Labels Envelopes 2-18 Changing the Printer Settings 2-20 Page Printer setting descriptions Character spacing 2-22 Shape of zero Skip-over-perforat ion Character table Auto line feed Page length Auto tear off Tractor Installing and Using Options Cut-sheet feeder Page 2-26 Page Pull Tractor unit 2-28 Roll paper holder 2-30 Color upgrade kit 2-32 Page 2-34 Chapter 3 Troubleshooting Problems and Solutions FONT 3-2 LF/FF Power Supply Printing The printer does not print The print is faint or uneven Dots are missing in printed characters or graphics 3-4 Printed characters are not what you expected The print position is not what you expected Paper Handling Single sheets do not feed properly 3-6 Continuous paper does not feed properly Options When you use the cut-sheet feeder, the paper does not feed properly 3-8 Switching between the cut-sheet feeder and the push tractor does not work properly Using the pull tractor with the push tractor, continuous paper does not feed properly With color upgrade kit installed, printer doesnt operate properly 3-10 Appendix Printer Specifications Printing A-2 Paper Appendix A-3 A-4 Appendix A-5 Mechanical Electrical A-6 Environmental Safety approvals Interface Specifications Parallel interface specifications Serial interface specifications Serial pin assignments A-8 Printer Settings Appendix A-9 A5 size Appendix 95/04/17 Command Summary Sending printer commands A-10 Using the command summary Printer operation Data control Appendix A-11 Vertical motion Horizontal motion A-12 Overall printing style Print size and character width Appendix A-13 Print enhancement Word processing Character tables A-14 User-defined characters Appendix A-15 Color printing Graphics A-16 Index A Index 1 B C M N 2 O P T U Index 3 W Z