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Chapter 5
Maintenance and Transportation
Maintenance and Transportation 5-1
Cleaning the Printer
To keep your printer operating at its best, you should clean it thoroughly several times a year.
Follow these steps to clean the printer:
1. Turn off the printer.
2. Remove the paper guide and any installed options.
3. Use a soft brush to carefully clear away all dust and dirt.
4. If the outer case or printer cover is dirty or dusty, clean it with a soft, clean cloth dampened with mild detergent dissolved in water. Keep the printer cover in place to prevent water from getting inside the printer.
5-2 Maintenance and Transportation
WARNING: l l l l
Never use alcohols or thinners to clean the printer; these chemicals can damage the components as well as the case.
Be careful not to get water on the printer mechanism or electronic components.
Do not use a hard or abrasive brush.
Do not spray the inside of the printer with lubricants; unsuitable oils can damage the mechanism. Contact your Epson dealer if you think lubrication is needed.
Replacing the Ribbon
When your printing becomes too faint, you need to replace the ribbon. The following Epson replacement ribbon cartridges are available:
#7762 : Standard (black)
#7763
#7764
: Color
: Film (black)
Note: The optional film ribbon prints in red near the end of the ribbon.
Replace the film ribbon at this point.
To replace the ribbon follow the procedure below:
1.
Turn off the power to the printer and remove the printer cover and the paper guide cover.
WARNING: If the printer has been used recently, the print head may be hot. Let it cool before attempting to replace the ribbon.
Maintenance and Transportation 5-3
2. Holding the print head, not the ribbon cartridge, move the print head to the middle of the printer.
3. To release the ribbon cartridge, gently press the tab at the top of the holder; then lift the cartridge straight up and out of the printer.
5-4 Maintenance and Transportation
4. Turn the ribbon-tightening knob on the ribbon cartridge in the direction of the arrow.
5. Hold the ribbon cartridge while gently squeezing the two ridged plastic tabs together; then lower it until it snaps into place. The side hooks in the printer should fit into the slots on each side of the ribbon cartridge.
Maintenance and Transportation 5-5
6.
Turn the ribbon tightening knob again to make sure the ribbon
7. Holding the print head, slide the print grasping the ribbon cartridge.) head from side to side to make sure that it moves smoothly. (Do not try to slide the print head by
5-6 Maintenance and Transportation
Transporting the Printer
If you need to transport your printer some distance, carefully repack the printer using the original box and packing materials, as described below.
1.
Turn off the printer.
2. Remove any installed options.
3. Remove the printer cover, paper guide, paper guide cover, and cable cover.
4. Unplug the power cable from the electrical outlet; then disconnect the cable between the printer and the computer.
5. Remove the ribbon cartridge and platen knob.
Maintenance and Transportation 5-7
6. Using a cross-head screwdriver, reattach the two red transport screws.
WARNING:
Never hold the printer by the font compartment cover. This cover could come off and cause you to drop the printer.
7. Pull the paper bail open and insert the print head protector between the paper bail and platen as shown below. Then insert the white foam packing material.
5-8 Maintenance and Transportation
8. Reattach the paper guide cover and printer cover.
Maintenance and Transportation 5-9
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Table of contents
- 1 FRONT MATTER
- 4 TABLE OF CONTENTS
- 6 INTRODUCTION
- 6 Features
- 7 Options
- 8 About This Guide
- 9 Where to Get Help
- 10 CHAP 1-SETTING UP THE PRINTER
- 11 Unpacking the Printer
- 11 Removing the Protective Materials
- 15 Choosing a Place for the Printer
- 16 Assembling the Printer
- 16 Installing the Platen Knob
- 18 Installing the Ribbon Cartridge
- 21 Attaching the Paper Guide
- 24 Testing the Printer
- 24 Connecting to a Power Supply
- 25 Running the Self Test
- 31 Connecting the Printer to Your Computer
- 31 The Parallel Interface
- 33 The Serial Interface
- 36 Setting Up Your Application Software
- 37 Choosing from a Menu
- 38 CHAP 2-PAPER HANDLING
- 39 Using Single Sheets
- 39 Loading a Sheet
- 42 Reloading During Printing
- 42 Using Continuous Paper
- 42 Positioning your Continuous Paper Supply
- 43 Loading Continuous Paper
- 50 When You Have Finished Printing
- 51 Reversing the Paper to the Standby Position
- 53 Switching Between Continuous and Single Sheets
- 53 Switching to Single Sheets
- 56 Switching Back to Continuous Paper
- 59 Printing on Special Paper
- 59 Multi-Part Forms
- 60 Labels
- 63 Envelopes
- 65 CHAP 3-USING THE PRINTER
- 66 Operating the Control Panel
- 66 The Display
- 67 The Lights
- 68 The Buttons
- 72 Other Control Panel Features
- 72 SelecType Settings
- 74 Using SelecType
- 76 Selecting a Main Menu Mode
- 77 LOAD MACRO
- 79 CHANGE MACRO
- 82 CHANGE DEFAULTS
- 87 PRINT OUT SETTINGS
- 88 CLEAR OUT MACROS
- 90 Page Length
- 92 Skip Over Perforation
- 94 Setting the Loading Position
- 94 Adjusting the Loading Position
- 95 Short Tear-Off
- 97 Selecting Typestyles
- 98 Fonts
- 101 Pitch
- 102 Condensed Mode
- 103 Choosing an International Character Set
- 104 Choosing a Character Table
- 106 CHAP 4-USING SOFTWARE AND GRAPHICS
- 107 Using the LQ-2550 With Application Programs
- 107 Using Printer Selection Menus
- 107 A Quick Test
- 108 Using Word Processors
- 108 Using Spreadsheets
- 109 Using Graphics Software
- 110 Computer-Printer Communication
- 111 Escape Sequences
- 111 Printer Commands
- 112 Using the Command Summary
- 112 Sending Printer Commands from Within Your Software Program
- 112 Enhancing Your Printing
- 113 Character Size
- 113 Special Effects and Emphasis
- 116 Selecting Typestyles with Master Select
- 118 Graphics
- 118 The Print Head
- 119 Dot Pattern
- 119 Color Graphics
- 120 Twenty-Four-Pin Graphics
- 120 Pin Labels
- 121 The Graphics Command
- 122 Column Reservation Numbers
- 123 A Simple Graphics Program
- 123 Using Hand-Calculated
- 127 Individual Graphics Option Commands
- 127 The Reassigning Command
- 128 User-Defined Characters
- 128 Designing Your Characters
- 129 Design Grids
- 131 Data Numbers
- 132 Sending Information to Your Printer
- 134 Printing User-Defined Characters
- 135 Copying ROM Characters to RAM
- 135 Letter Quality Characters
- 136 Proportional Mode Characters
- 136 Superscripts and Subscripts
- 121 The Graphics Command
- 122 Column Reservation Numbers
- 123 A simple Graphics Program
- 123 Using Hand-Calculated Data to Print Graphics
- 123 Using Software and Graphics
- 137 Mixing Print Styles
- 139 CHAP 5-MAINTENANCE AND TRANSPORTATION
- 140 Cleaning the Printer
- 141 Replacing the Ribbon
- 145 Transporting the Printer
- 148 CHAP 6-TROUBLESHOOTING
- 149 Troubleshooting
- 149 Problems and Solutions
- 149 The Printer Does Not Print
- 149 The Printer Stops Printing
- 150 The Printout is Spaced Incorrectly
- 150 The Printout is Faint or Uneven
- 151 The Printout is Not what You Expect
- 151 Single Sheets Do Not Feed Properly
- 151 Continuous Paper Does Not Feed Properly
- 152 Cut Sheet Feeder Does Not Load Paper Correctly
- 152 The Short Tear-Off Feature Does Not Work Properly
- 152 Color Printing Is Not What You Expect
- 153 Data Dump Mode
- 154 CHAP 7-USING PRINTER OPTIONS
- 155 The Cut Sheet Feeder
- 155 Installation
- 159 Loading Paper
- 162 Testing the Printer In The Cut Sheet Feeder Mode
- 164 Loading Envelopes
- 166 Using the Cut Sheet Feeder
- 170 Switching between the Cut Sheet Feeder and Continuous Paper
- 171 Loading Single Sheets
- 173 Removing The Cut Sheet Feeder
- 174 The Pull Tractor
- 174 Installation
- 177 Loading Paper
- 184 Removing the Pull Tractor
- 186 Interface Boards
- 186 Choosing an Interface
- 186 Compatible Interfaces
- 187 Installing the Interface Board
- 198 The Multi-Font Module
- 198 Installation
- 200 Selecting a Font
- 201 CHAP 8-COMMAND SUMMARY
- 205 Commands in Numerical Order
- 208 Commands Arranged by Topic
- 208 Printer Operation
- 211 MSB Control
- 212 Data Control
- 213 Vertical Motion
- 218 Horizontal Motion
- 221 Overall Printing Style
- 223 Print Size and Character Width
- 227 Print Enhancement
- 230 Word Processing
- 231 Character Tables
- 232 User Defined Characters
- 234 Graphics
- 237 APPENDIX A-TECHNICAL SPECIFICATIONS
- 238 Printer Specifications
- 242 Double-Bin Cut Sheet Feeder (Optional)
- 245 Interface Specifications
- 249 Initialization
- 250 Default Settings
- 259 GLOSSARY
- 265 INDEX