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 in Numerical Order
The following list shows control codes and ESC sequences (with
their decimal and hexadecimal values), and the page number where
the complete command description can be found.
ASCII
Dec. Hex Description
Page
BEL
7
07
BS
8
08
HT
9 09
LF 10 0A
VT
11 0B
FF
12 0C
CR 13 0D
so
14 0E
SI
15 0F
DC1
17 11
DC2
18 12
DC3
19 13
DC4 20 14
CAN
24 18
DEL 127 7F
ESC SO 14 0E
ESC SI 15 OF
ESC EM
25 19
ESC SP 32 20
ESC !
33 21
ESC
#
35 23
ESC
$
36 24
ESC %
37 25
ESC & 38 26
ESC
*
42 2A
ESC
(-
40 28
ESC +
43 2B
ESC
-
45 2D
Command Summary
Beeper
..........................................................
8-12
Backspace
...................................................
8-19
Tab
horizontally ....................................... .8-20
Line feed
.................................................... .8-14
Tab vertically
.............................................
8-17
Form feed
....................................................
8-13
Carriage return
..........................................
8-12
Select double-wide mode (1 line).
..........
.8-25
Select condensed mode
........................... .8-24
Select printer
................................................
8-8
Cancel condensed mode ......................... .8-25
Deselect
printer ........................................... .8-9
Cancel double-wide mode (1 line).
........
.8-26
Cancel line
................................................. .8-12
Delete character
.......................................... .8-9
Select double-wide mode (1 line)............8-25
Select condensed mode
........................... .8-24
Cut sheet feeder mode
............................. .8-10
Set
intercharacter
space
........................... .8-30
Master Select
............................................. .8-22
Cancel MSB control
..................................
.8-11
Set absolute
print position ...................... .8-19
Select user-defined set
............................. .8-33
Define user-defined
characters
...............8-32
Select
graphics
mode
............................... .8-35
Select Line
.................................................. .8-29
Select
n/360-inch line spacing.. ...............8-16
Turn underlining on/off ......................... .8-29
8-5