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
ESC U
Turn Unidirectional Mode On/Off
Format:
ASCII code:
ESC U n
Decimal:
27 85 n
Hexadecimal: 1B 55 n
Comments:
The following values can be used for n:
1:
Mode is turned on.
0: Mode is turned off.
Printing is normally bidirectional. This command selects unidirectional
printing for more accurate positioning during printing.
ESC EM
Cut Sheet Feeder Control
Format:
ASCII code:
ESC EM n
Decimal:
27 25 n
Hexadecimal: 1B 19 n
Comments:
The following values can be used for n:
1:
Selects bin 1.
2: Selects bin
2.
R: Ejects a sheet. (No paper is loaded.)
The command should not be used unless the automatic sheet feeder is
installed and CSF has been selected using
the PAPER SELECT
button. It
is ignored if
any
value other than
1, 2,
or R is used for n.
8-10
Command Summary