Printer User Manual
Table Of Contents
- FRONT MATTER
- TABLE OF CONTENTS
- INTRODUCTION
- CHAP 1-SETTING UP THE PRINTER
- CHAP 2-PAPER HANDLING
- CHAP 3-USING THE PRINTER
- CHAP 4-USING SOFTWARE AND GRAPHICS
- Using the LQ-2550 With Application Programs
- Computer-Printer Communication
- Enhancing Your Printing
- Graphics
- User-Defined Characters
- Designing Your Characters
- Design Grids
- Data Numbers
- Sending Information to Your Printer
- Printing User-Defined Characters
- Copying ROM Characters to RAM
- Letter Quality Characters
- Proportional Mode Characters
- Superscripts and Subscripts
- The Graphics Command
- Column Reservation Numbers
- A simple Graphics Program
- Using Hand-Calculated Data to Print Graphics
- Using Software and Graphics
- Mixing Print Styles
- CHAP 5-MAINTENANCE AND TRANSPORTATION
- CHAP 6-TROUBLESHOOTING
- Troubleshooting
- Problems and Solutions
- The Printer Does Not Print
- The Printer Stops Printing
- The Printout is Spaced Incorrectly
- The Printout is Faint or Uneven
- The Printout is Not what You Expect
- Single Sheets Do Not Feed Properly
- Continuous Paper Does Not Feed Properly
- Cut Sheet Feeder Does Not Load Paper Correctly
- The Short Tear-Off Feature Does Not Work Properly
- Color Printing Is Not What You Expect
- Data Dump Mode
- CHAP 7-USING PRINTER OPTIONS
- CHAP 8-COMMAND SUMMARY
- APPENDIX A-TECHNICAL SPECIFICATIONS
- GLOSSARY
- INDEX

Character Tables
ESC t
Format:
ASCII code:
ESC t n
Decimal:
27
116 n
Hexadecimal: 1B 74 n
Select Character Table
Comments:
Selects the character table used by codes
128-255.
Selecting Epson
Extended Graphics does not disable italic printing. Italic printing can
still be selected by ESC
4.
The following values can be used for n:
0:
Selects italic character table.
1:
Selects Epson Extended Graphics character table.
2:
Re-maps any downloaded characters from the positions
0-127
to the
positions
128-255.
Note that the value of n must equal 00 hex,
01
hex or
02
hex.
See Appendix B for character tables and a hexadecimal to decimal
conversion chart.
ESC 4
Format:
ASCII code:
ESC 4
Decimal:
27 52
Hexadecimal: 1B 34
Select Italic Mode
Comments:
Causes italic characters to be printed. This command is valid even if
the Epson Extended Graphics character set has been selected by ESC t
or SelecType, but character graphics are not italicized.
Command Summary
8-31