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
Commands Arranged by Topic
The following section lists and describes all the commands by topic. See
the Quick Reference Card at the end of this manual for the list of the
commands by topic.
Printer Operation
Initialization
ESC @
Initialize Printer
Format:
ASCII code:
ESC @
Decimal:
27 64
Hexadecimal: 1B 40
Comments:
Resets the printer mode and clears the current print line preceding the
command. See Initialization in Appendix A.
Selection
DC1
Select Printer
Format:
ASCII code:
DC1
Decimal: 17
Hexadecimal: 11
Comments:
Returns the printer to the selected state if it has been deselected by the
printer deselect code (DC3). Does not select the printer if it
has
been
switched off line by pressing the
ON LINE
button. DC1 and DC3 do not
work if pin 36 on
the
parallel interface is low (for example, on IBM
PC and compatible computers).
8-8
Command Summary