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

head moves across the paper, with the second dot printed slightly to the
right of the first. This process produces darker, more fully formed
characters.
In double-strike mode, the print head goes over each line twice, making
the
text bolder. For
even
greater boldness, emphasized and double-strike
can
be combined. The following samples show the different effects you
can achieve.
This is ROMAN printing.
This is ROMAN emphasized.
This is ROMAN double-strike.
This is ROMAN with both.
Italic printing
You can select the italic mode by using the ESC 4 software command. A
sample of italic printing is shown below.
This is ROMAN printing.
This is ROMAN italics.
Underlining
The underline mode automatically underlines any piece of text. It
underlines spaces, subscripts, and superscripts without a break.
This is continuous underlining.
Superscripts and Subscripts
Superscripts and subscripts can be used for printing footnote numbers
and mathematical formulas. The example below
shows
underlining,
superscripts, and subscripts combined in a mathematical formula.
average =
(ai
+ a2
t
.
.
.
.
.
.
.
.
.
.
t
an
)
n
4-10
Using Software and Graphics