User ManualTable of ContentsFRONT MATTER1TABLE OF CONTENTS4INTRODUCTION6Features6Options7About This Guide8Where to Get Help9CHAP 1-SETTING UP THE PRINTER10Unpacking the Printer11Removing the Protective Materials11Choosing a Place for the Printer15Assembling the Printer16Installing the Platen Knob16Installing the Ribbon Cartridge18Attaching the Paper Guide21Testing the Printer24Connecting to a Power Supply24Running the Self Test25Connecting the Printer to Your Computer31The Parallel Interface31The Serial Interface33Setting Up Your Application Software36Choosing from a Menu37CHAP 2-PAPER HANDLING38Using Single Sheets39Loading a Sheet39Reloading During Printing42Using Continuous Paper42Positioning your Continuous Paper Supply42Loading Continuous Paper43When You Have Finished Printing50Reversing the Paper to the Standby Position51Switching Between Continuous and Single Sheets53Switching to Single Sheets53Switching Back to Continuous Paper56Printing on Special Paper59Multi-Part Forms59Labels60Envelopes63CHAP 3-USING THE PRINTER65Operating the Control Panel66The Display66The Lights67The Buttons68Other Control Panel Features72SelecType Settings72Using SelecType74Selecting a Main Menu Mode76LOAD MACRO77CHANGE MACRO79CHANGE DEFAULTS82PRINT OUT SETTINGS87CLEAR OUT MACROS88Page Length90Skip Over Perforation92Setting the Loading Position94Adjusting the Loading Position94Short Tear-Off95Selecting Typestyles97Fonts98Pitch101Condensed Mode102Choosing an International Character Set103Choosing a Character Table104CHAP 4-USING SOFTWARE AND GRAPHICS106Using the LQ-2550 With Application Programs107Using Printer Selection Menus107A Quick Test107Using Word Processors108Using Spreadsheets108Using Graphics Software109Computer-Printer Communication110Escape Sequences111Printer Commands111Using the Command Summary112Sending Printer Commands from Within Your Software Program112Enhancing Your Printing112Character Size113Special Effects and Emphasis113Selecting Typestyles with Master Select116Graphics118The Print Head118Dot Pattern119Color Graphics119Twenty-Four-Pin Graphics120Pin Labels120The Graphics Command121Column Reservation Numbers122A Simple Graphics Program123Using Hand-Calculated123Individual Graphics Option Commands127The Reassigning Command127User-Defined Characters128Designing Your Characters128Design Grids129Data Numbers131Sending Information to Your Printer132Printing User-Defined Characters134Copying ROM Characters to RAM135Letter Quality Characters135Proportional Mode Characters136Superscripts and Subscripts136The Graphics Command121Column Reservation Numbers122A simple Graphics Program123Using Hand-Calculated Data to Print Graphics123Using Software and Graphics123Mixing Print Styles137CHAP 5-MAINTENANCE AND TRANSPORTATION139Cleaning the Printer140Replacing the Ribbon141Transporting the Printer145CHAP 6-TROUBLESHOOTING148Troubleshooting149Problems and Solutions149The Printer Does Not Print149The Printer Stops Printing149The Printout is Spaced Incorrectly150The Printout is Faint or Uneven150The Printout is Not what You Expect151Single Sheets Do Not Feed Properly151Continuous Paper Does Not Feed Properly151Cut Sheet Feeder Does Not Load Paper Correctly152The Short Tear-Off Feature Does Not Work Properly152Color Printing Is Not What You Expect152Data Dump Mode153CHAP 7-USING PRINTER OPTIONS154The Cut Sheet Feeder155Installation155Loading Paper159Testing the Printer In The Cut Sheet Feeder Mode162Loading Envelopes164Using the Cut Sheet Feeder166Switching between the Cut Sheet Feeder and Continuous Paper170Loading Single Sheets171Removing The Cut Sheet Feeder173The Pull Tractor174Installation174Loading Paper177Removing the Pull Tractor184Interface Boards186Choosing an Interface186Compatible Interfaces186Installing the Interface Board187The Multi-Font Module198Installation198Selecting a Font200CHAP 8-COMMAND SUMMARY201Commands in Numerical Order205Commands Arranged by Topic208Printer Operation208MSB Control211Data Control212Vertical Motion213Horizontal Motion218Overall Printing Style221Print Size and Character Width223Print Enhancement227Word Processing230Character Tables231User Defined Characters232Graphics234APPENDIX A-TECHNICAL SPECIFICATIONS237Printer Specifications238Double-Bin Cut Sheet Feeder (Optional)242Interface Specifications245Initialization249Default Settings250GLOSSARY259INDEX265Size: 3.25 MBPages: 281Language: EnglishOpen manual