Epson ActionPrinter L-750 User Manual
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Epson ActionPrinter L-750 User Manual

Epson ActionPrinter L-750 User Manual

Epson action printer user manual
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  • Page 2: Important Safety Instructions

    IMPORTANT SAFETY INSTRUCTIONS 1. Read all of these instructions and save them for later reference. 2. Follow all warnings and instructions marked on the product. 3. Unplug this product from the wall outlet before cleaning. Do not use liquid cleaners or aerosol cleaners. Use a damp cloth for cleaning. 4.
  • Page 3 10. If an extension cord is used with this product, make sure that the total of the ampere ratings on the products plugged into the extension cord do not exceed the extension cord ampere rating. Also, make sure that the total of all products plugged into the wall outlet does not exceed 15 amperes.

  • Page 4: Options And Supplies

    Where to Get Help Customer support and service for Epson products are provided by a network of authorized Epson dealers and service centers throughout the United States. Epson America provides product information and toll-free support to its dealers and service centers.

  • Page 5: Table Of Contents

    Chapter 5 Technical Specifications Printer Specifications ... 5-2 Interface Specifications ... 5-7 Initialization ... Default Settings ... 5-12 Chapter 6 Command Summary Appendix The Interface Boards ..........A-2...
  • Page 6 Features In addition to the high-quality printing and ease of operation you have come to expect from Epson printers, your printer offers the following: Draft mode with fast printing of up to 216 characters per second in 12 pitch (12 characters per inch).

  • Page 7: About This Guide

    Other chapters contain information on specifications, and printer commands. There is also a glossary of printer terms and an index. At the back of this guide is a Quick Reference card. Conventions used in this guide WARNINGS: to your printer and computer.
  • Page 8 Testing the Printer Plugging in the printer ... Loading a sheet of paper ... Running the self test ... Connecting the Printer to Your Computer ... 1-20 The parallel interface ... Printer Selection Menus ... Choosing from a menu ... 1-22 ...

  • Page 9: Setting Up The Printer

    Unpacking the Printer As you unpack the printer, check that you have all the parts shown below and that none have been damaged during transportation. Note: You’ll find the paper feed knob in a piece of the foam packing. After removing the parts, store the packaging materials in case you ever need to transport your printer.

  • Page 10: Removing The Protective Materials

    These protective items must be removed before you turn on the printer. After removing these items, store them with the other packaging materials. 1. Raise the tractor cover to the upright position. Then lift the cover up and off.
  • Page 11 Unpacking the Printer 3. Remove the left and right locking tabs. 4. Holding the print head in place at the left of the printer, remove the carriage protector as shown below. Carriage protector Setting Up the Printer...
  • Page 12 Unpacking the Printer 5. Push the paper bail lever back. Then slide the print head to the middle of the printer. Hold the print head in place and remove the print head protector. WARNING: Be sure to remove all protective materials before you turn on the printer.

  • Page 13: Removing The Pull Tractor

    Removing the pull tractor By removing the pull tractor now, you will be prepared to perform the printer’s self test later. Follow these steps to remove the pull tractor. Make sure that the printer is turned off. 1. With the tractor cover off, pull the paper bail lever toward you.

  • Page 14: Choosing A Place For The Printer

    Choosing a Place for the Printer When you select a location for your printer, keep the following in mind: Place the printer on a flat, stable surface. Place the printer close enough to the computer for its cable to reach.
  • Page 15 Choosing a Place the Printer Note: If you plan to use a printer stand, make sure it meets the following requirements: The stand must support at least weight of the printer). The stand must not tilt horizontal. With a cut sheet feeder, the stand must keep the printer level.

  • Page 16: Assembling The Printer

    Attach the paper guide. Installing the paper feed knob The first step in setting up the printer is to install the paper feed knob. You use this knob to manually feed paper in the printer when the printer is turned off.

  • Page 17: Installing The Ribbon Cartridge

    Assembling the Printer Push firmly on the knob until it fits against the printer case. Installing the ribbon cartridge Follow these steps to install the ribbon cartridge: 1. Slide the print head to the middle of the printer. CAUTION: turned on because this can damage the printer. Also, if you have been using the printer, the print head may be hot;...
  • Page 18 Hold the ribbon cartridge by its handle and push it firmly down into position, making sure the plastic hooks fit into the printer. Press lightly on both sides of the cartridge to be sure the hooks are properly inserted.
  • Page 19 Assembling the Printer 5. Use a pointed object, such as the tip of a pencil, to guide the ribbon between the print head and ribbon guide while you turn the ribbon-tightening knob to help feed the ribbon into place. Slide the print head from side to side to be sure it moves smoothly.

  • Page 20: Attaching The Paper Guide

    Follow these steps to install the paper guide: 1. Push the paper release lever back. Insert the paper guide pegs into the slots on the printer; then lean the guide back until it locks into place. 2. Attach the printer cover.
  • Page 21 Assembling the Printer 3. Turn on the printer. The green come on. Be sure that the paper release lever is pushed back to the single-sheet position. 1-14 Setting Up the Printer and red POWER PAPER OUT lights...
  • Page 22 Next, slide a sheet down between the edge guides until it meets resistance. WARNING: Run the self test using paper wider than inches (364 mm) to prevent the print head from printing directly onto the platen. 1-15 Setting Up the Printer...
  • Page 23 7. Pull the paper bail lever forward to automatically load the paper. 8. When the paper stops, push the paper bail lever back. Note: platen turns without loading the paper, remove the paper and reinsert it more firmly; then pull the paper bail lever forward. Setting Up the Printer 1-16...

  • Page 24: Testing The Printer

    Be sure to perform this test to check that your printer is operating properly. Before running the self test, you need to connect your printer to an electrical outlet and load Plugging in the printer Follow these steps to plug in the printer: Be sure the printer is turned off.

  • Page 25: Running The Self Test

    (Letter Quality mode), turn FORM FEED After printing starts, release the button. A list of your printer’s settings is printed first, followed by a series of characters. Here is part of a typical Letter Quality self test: Setting Up the Printer...
  • Page 26 If the test results are satisfactory and you wish ON LINE to stop the test, press the To end the self test, be sure the printer is not printing. If paper is still loaded, press the off the printer.

  • Page 27: Connecting The Printer To Your Computer

    Connecting the Printer to Your Computer If the self test printed correctly and your printouts looked like the ones shown, you are now ready to connect your printer to the computer. Your printer has a built-in parallel interface. If you have a suitable shielded cable, you should be able to connect your printer immediately.
  • Page 28 Connecting the Printer to Your Computer 3. Squeeze the wire clips together until they lock in place on either side of the connector. Note: If your cable has a ground wire, connect it to the ground connector beside the interface connector.

  • Page 29: Printer Selection Menus

    Choosing from a menu Because the family of Epson printers shares a great many commands, you can use an application program even if it does not list your printer on its printer selection menu. Choose from the following list...
  • Page 30 Chapter 3 Using the Printer Operating the Control Panel ... 3-2 Lights ... Buttons ... Other control panel features ... 3-4 DIP Switches ............

  • Page 31: Using The Printer

    Operating the Control Panel The buttons on the control panel let you control many of the printer settings. The control panel also has indicator lights so you can check the current status of the printer’s settings. Using the Printer POWER...

  • Page 32: Lights

    Buttons This button controls the printer’s on line/off line ON LINE: status. When the printer is on line, this light is on and the printer can receive and print data from the computer. FORM FEED: When eject a single sheet of paper or advance continuous paper to the top of the next page.

  • Page 33: Other Control Panel Features

    Self test: mode) or the Quality mode) while you turn on the printer, you can start the printer’s self test. The self test printout lets you check the current DIP switch settings and operating status of the printer. for more information.

  • Page 34: Dip Switches

    DIP Switches By changing the settings of the two sets of DIP switches on the back of the printer, you can control various printer features, such as the character set and page length. These new settings become valid when the printer is turned on, reset, or initialized.

  • Page 35: Dip Switch Functions

    DIP switch functions The tables below describe the DIP switch functions. The page numbers refer you to the page on which each printer feature is described. Note that the settings may vary depending on the country. Check the default DIP switch settings which appear on your self test printout.
  • Page 36 DIP Switches International character set Font selection Pitch selection Using the Printer 3-7...
  • Page 37 perforation.
  • Page 38 ž 23456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\] 3456789:; <=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\l^ ž 456789: ; <=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_ 56789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_' 6789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_'a ž 789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_'at 89:;<=>?@ABCDEFGHIJKLMNOPBRSTUVWXYZ[\]^_'abc 9:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_'abcd ž :;<=>?@ABCDEFGHIJKLMNOPBRSTUVWXYZ[\l^_'abcde DIP SW2-3 ON (Skip over perforation ON) ž 23456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]' 3456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_ ž -------- ---------------------------- ž ž 456789:; <=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_ 56789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\][^_'a 6789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_' DIP Switches Using the Printer...

  • Page 39: Selecting Typestyles

    Selecting Typestyles Your printer can produce a wide range of typestyles by using different character fonts, pitches, widths, and other enhancements. You can select the character font using the control panel or by setting DIP switches. Built-in character fonts Your printer has three built-in character fonts.

  • Page 40: Selecting A Font With The Control Panel

    Selecting a font with the control panel To select a font using the control panel buttons, follow these steps: 1. Be sure the printer is on, contains paper, and is on line. 2. Check to see that the printer is not receiving data (the light should not be flickering).

  • Page 41: Selecting A Font With Dip Switches

    You can set your favorite font as the default font by setting DIP switches 1-4 and 1-5. The printer comes with Roman as the default font. If you wish to change it, set the DIP switches as shown in the following table.

  • Page 42: Selecting An International Character Set

    # $ @ ° \ é ˆ ù à ò è ì 6 Italy 7 Spain I CAUTION: When you change the setting of a DIP switch, be sure to first turn off the printer. After changing the setting, turn the printer back on. ASCII code (hex) [ \ ] ˆ...
  • Page 43 23 24 40 58 5C 5D 5E 60 7B 7C 7D 7E 8 Japan 9 Norway 10 Denmark II 11 Spain II 12 Latin America 13 Korea 64 Legal Using the Printer 3-14 ASCII code (hex) ¥ ¤ É Æ Ø...

  • Page 44: Choosing A Character Table

    Choosing a Character Table DIP switch 1-7 selects the italic character table or the Epson Extended Graphics character table. The Epson Extended Graphics table contains international accented characters, Greek characters, mathematical symbols, and character graphics for printing lines, corners, and shaded areas.
  • Page 45 Choosing a Character Table Using the Printer 3-16...
  • Page 46 Chapter 2 Paper Handling Using Single Sheets ... 2-2 Attaching the paper guide ... 2-2 Loading paper ... Reloading during printing ... 2-6 Using Continuous Paper ... 2-7 Installing the pull tractor ... 2-7 Positioning your continuous paper supply ... 2-9 Loading continuous paper ...

  • Page 47: Paper Handling

    Follow these steps to attach the paper guide: 1. Push the paper release lever back. Insert the paper guide pegs into the slots on the printer; then lean the guide back until it locks into place. 2. Slide the left edge guide until it locks in place at the guide mark.

  • Page 48: Loading Paper

    Using Single Sheets 3. Attach the printer cover. Loading paper Follow these steps to load paper in the printer: Push the paper release lever back as shown below. Paper Handling 2-3...
  • Page 49 Using Single Sheets 2. Turn on the printer. The lights should be POWER PAPER OUT 3. Slide paper down between the edge guides until it meets resistance. Paper Handling...
  • Page 50 If the platen turns without loading the paper, completely remove the paper and reinsert it more firmly. Then pull the lever again. 5. Push the paper bail lever back; then press the button to ON LINE set the printer line. Paper Handling 2-5...

  • Page 51: Reloading During Printing

    Using Single Sheets To eject the paper, set the printer off line (by pressing the button) and then press the CAUTION: knob while the printer is turned on. Reloading during printing When you print a document more than one page long using single...

  • Page 52: Using Continuous Paper

    If the pull tractor is already installed, skip to “Positioning your continuous paper supply” later in this chapter. Installing the pull tractor Follow these steps to install the pull tractor: 1. Turn off the printer and remove the printer cover and paper guide. 2. Attach the paper rest. Paper Handling...
  • Page 53 4. Hold the pull tractor with the gears to the right. Fit the rear notches on the tractor over the rear mounting rods on the printer. Then tilt the tractor unit toward you until the front latches click in place over the front mounting rods of the printer.

  • Page 54: Positioning Your Continuous Paper Supply

    Positioning your continuous paper supply Here are three ways to position your printer and supply of continuous paper. It is also important to align your paper supply with the paper loaded in the tractor so that the paper feeds smoothly and straight into the printer.
  • Page 55 Using Continuous Paper 3. Pull the sprocket lock levers forward to unlock the sprocket frame. Slide the left sprocket frame to approximately 3/4 inch (20 mm) from the far left position. Then push the sprocket lever back to lock it in place. Paper Handling 2-10...
  • Page 56 Using Continuous Paper 5. Slide the right sprocket frame to match the width of your paper, but do not lock it. Then position the paper supports between the two sprocket frames as shown below. 6. Open both sprocket covers. Paper Handling 2-11...
  • Page 57 Using Continuous Paper 7. Be sure your paper has a clean, straight edge and then insert the paper into the printer until it emerges between the platen and the ribbon guide. Pull it up to the sprocket frames. 8. Fit the holes of the paper over the tractor pins of the sprocket frames, and then close the sprocket covers.
  • Page 58 Using Continuous Paper Adjust the position of the right sprocket frame to remove any slack across the paper and then lock it into place. If there is slack in the paper between the print head and the tractor unit, use the paper feed knob to take up the slack. 2-13 Paper Handling...

  • Page 59: Attaching The Paper Separator

    With continuous paper, you need to attach the paper separator to avoid paper jams. First, align the pins of the paper separator with the slots on the printer and then rest the separator on the printer. Setting the top of form position It is important to set the top of form position properly because this position determines the first printable line of each page.
  • Page 60 3. Attach the tractor cover to the printer. 4. Turn on the printer. CAUTION: paper after turning on the printer, the printer loses track form position, be sure to use the If you use the paper feed knob to feed the...

  • Page 61: When You Have Finished Printing

    1. After is completed, set the printer off line. printing 2. Press the FORM FEED button to feed the paper forward, and then tear it off at the perforation. Paper Handling...

  • Page 62: Printing On Special Paper

    Printing on Special Paper In addition to printing on single sheets and continuous paper, your printer can also print on a wide variety of paper types, such as multi-part forms. Before printing on special types of paper, you need to change the paper thickness setting.
  • Page 63 Printing on Special Paper 4. Set the paper thickness lever to match the thickness of your paper, according to the table below. Paper thickness lever Ordinary (single sheets or continuous) Thin paper Multi-part paper 2 sheets (original + 1 copy) 3 sheets (original + 2 copies) WARNING: you go back to printing on ordinary paper.

  • Page 64: Using Multi-Part Forms

    Attach the tractor cover. Using multi-part forms With the pull tractor unit installed, you can print on continuous multi-part forms. You can use multi-part forms up to three sheets thick including the original. Be sure you set the paper thickness lever to the proper position using the table on the previous page.
  • Page 65 Transporting the Printer ........

  • Page 66: Troubleshooting And Maintenance

    Be sure that the printer is turned on and the If the printer is turned on but the to see that the printer is fully plugged in and that the electrical outlet is also turned on. Be sure that the ON LINE button.

  • Page 67: The Printout Is Spaced Incorrectly

    The print head may be worn out. This is especially likely if parts of printed characters are missing. Contact your Authorized Epson Dealer to have the head replaced. Never attempt to replace the head yourself because other parts of the printer should be checked at the same time.

  • Page 68: The Printer Stops Printing

    If the printer stops, the beeper sounds, and the does not flicker, turn the printer off and then turn it back on and try to print again. If print, take it to a qualified service person.

  • Page 69: Continuous Paper Does Not Feed Properly

    The wrong international character set may be selected. See the section on international character sets in Chapter 3. The wrong character table (italics or Epson Extended Graphics) may be selected. See the section on character tables in Chapter 3. The font, pitch, or size may not be selected properly. See that your software is correctly set up for your printer.

  • Page 70: Cleaning The Printer

    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. Be sure the printer is turned off. Remove the paper guide and the paper rest.
  • Page 71 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 Authorized Epson Dealer if lubrication is needed. Troubleshooting and Maintenance 4-7 Cleaning the Printer...

  • Page 72: Replacing The Ribbon

    Replacing the Ribbon When printing becomes too faint you need to replace the ribbon. Use only the # 7754 Epson replacement ribbon cartridge with your printer. Follow these steps to replace the ribbon: 1. Be sure the printer is turned off and printer cover is removed.
  • Page 73 4. To remove excess slack in the new ribbon, turn the ribbon- tightening knob in the direction of the arrow. 5. Push the new ribbon cartridge firmly into position, making sure the plastic hooks fit into the printer. Note: Press lightly on both sides of the cartridge to be sure the hooks are properly inserted.
  • Page 74 7. Slide the print head from side to side to be sure it moves smoothly. Also check that the ribbon is not twisted or creased. 8. Reattach the printer cover or tractor cover. Troubleshooting and Maintenance 4-10...

  • Page 75: Transporting The Printer

    Transporting the Printer If you need to transport your printer some distance, carefully repack the printer using the original box and packaging materials, as described below. 1. Turn off the printer. 2. Remove the tractor cover, paper guide, and paper rest.
  • Page 76 Transporting the Printer 6. Pull the paper bail lever forward; then insert the carriage protector between the paper bail and platen. 7. Attach the two locking tabs. Troubleshooting and Maintenance 4-12...
  • Page 77 Printer Transporting the Attach the platen protector. 9. Reattach the tractor cover. 4-13 Troubleshooting and Maintenance...

  • Page 78: Chapter 5 Technical Specifications

    Chapter 5 Technical Specifications Printer Specificataions..5-2 Printing ... Paper ... Mechanical ... Electrical ... Environmental ... Interface Specifications..........5-7 Initialization .

  • Page 79: Printer Specifications

    Printer Specifications Printing Printing method: Printing speed: Pitch Quality draft Letter Quality draft Letter Quality Printing direction: Line spacing: Printable columns: Character pitch 10 pitch 10 pitch double-wide 10 pitch condensed 12 pitch 12 pitch double-wide 12 pitch condensed 15 pitch...

  • Page 80: Paper

    10, 12, 15 10, 12, 15, proportional 10, 12, 15, proportional 96 standard ASCII characters 14 international character sets and a legal Epson Extended Graphics character Friction Pull tractor Single sheets 7.2 to 14.4 inches (182 to 364 mm) Continuous 4.0 to 16.0 inches (101 to 406 mm)

  • Page 81: Printable Area

    Printer Specifications Printable area: Single sheet 2 2 m m ( 0 . 8 7 " ) o r m o r e 3 mm (0.12") or more 1 3 . 5 m m ( 0 . 5 3 " ) o r m o r e Continuous paper 9 m m ( 0 .

  • Page 82: Mechanical

    For all components excluding print head: 5 million lines 6000 power on hours 200 million strokes per wire Height: 3.7 inches (93 mm) Width: 22.9 inches (580.5 mm) Depth: 13.2 inches (335 mm) Weight: Approx. 8 Kg Technical Specifications 5-5 Printer Specifications...

  • Page 83: Electrical

    Printer Specifications Electrical Voltage: Power consumption: Frequency: Insulation resistance: Dielectric strength: (between AC line and chassis) : Environmental Temperature: Humidity: Shock: Vibration: Technical Specifications ± 1 0 % Watts maximum 49.5 to 50.5 Hz Hz version) Hz (60 Hz version) 59.5...

  • Page 84: Interface Specifications

    Interface Specifications Your printer is equipped with a parallel interface. Pin assignments for the parallel interface Connector pin assignments and a description of their respective interface signals are shown in the following table. Signal Return Signal STROBE DATA 1 DATA 2...
  • Page 85 Interface Specifications Technical Specifications...
  • Page 86 All interface conditions are based on TTL level. Both the rise and the fall times of Data transfer must be carried out by observing the ACKNLG or BUSY signal. (Data transfer to this printer can be carried out only after receipt of the level of the BUSY signal is LOW.)
  • Page 87 DCl, or DC3. While printing is disabled, character data is being received and acknowledged so that the printer can look for another DC1 character that will allow it to resume printing. Technical Specifications...

  • Page 88: Initialization

    The power is turned on. An INIT signal at the parallel interface is received. The ESC @ command is received. When the printer is initialized, the — Printer initialization by the ESC @ Technical Specifications 5-11...

  • Page 89: Default Settings

    Justification Special printing effects User-defined character set Graphic mode assignment In addition, when the printer is initialized by turning on the power or by an INIT signal, the data buffer is cleared of all text. 5-12 Technical Specifications Reset to:...

  • Page 90: Chapter 6 Command Summary

    Chapter 6 Command Summary This summary contains all the commands used by the printer. If a command has no parameters, it is merely listed. If it has parameters, they are explained. The parameters are indicated by lowercase italicized letters, usually n. The examples below show how the parameters are indicated.

  • Page 91: Data Control

    Command Summary Dec. Hex. Description ASCII Printer Operation (continued) 35 23 Cancel MSB Control ESC # 7 07 Beeper Data Control 13 0D Carriage Return 24 18 Cancel Line Vertical Motion 12 0C 67 43 ESC C n 67 43...

  • Page 92: Horizontal Motion

    ASCII Dec. Hex. Vertical Motion ESC b nn 98 62 47 2F Select Vertical Tab Channel ESC / Horizontal Motion ESC l 108 6C ESC Q 81 51 8 08 ESC $ n1 36 24 ESC \ nl 92 5C 9 09 ESC D nn 68 44...

  • Page 93: Overall Printing Style

    Command Summary Dec. Hex. Description ASCII Overall Printing Style 120 78 Select Letter Quality or Draft ESC x n ESC k n 107 6B Select Typestyle Family 33 21 Master Select ESC ! n Print Size and Character Width ESCP 80 50 ESC M 77 4D...

  • Page 94: Print Enhancement

    ASCII Dec. Hex. Print Size and Character Width (continued) ESC SO 14 OE Select Double-wide Mode (one line) ESC W l/0 87 57 Turn Double-wide Mode On/Off 20 14 ESC w l/0 119 77 Turn Double-high Mode On/Off Print Enhancement ESC E 69 45 ESC F...
  • Page 95 Command Summary Dec. Hex. Description ASCII Print Enhancement (continued) ESC 4 52 34 ESC 5 53 35 ESC q n 113 71 Word Processing 97 61 ESC a n 32 20 ESC SP n Character Tables ESC t n 116 74 Command Summary Select Italic Mode Cancel Italic Mode...

  • Page 96: Command Summary

    ASCII Dec. Hex. Character Tables (continued) ESC R n 82 52 User-defined Characters ESC & nn 38 26 Define User-defined Characters 58 3A Copy ROM to RAM ESC : 0 n 0 37 25 Select User-defined Set ESC % n ESC 6 54 36 Enable Printable Characters ESC 7...
  • Page 97 Command Summary Dec. Hex. Description ASCII Graphics ESC K nl n2 75 4B Select Single-density Graphics Mode ESC L 76 4C Select Double-density Graphics Mode ESC Y n1 n2 89 59 Select High-speed Double-density ESC Z nl 122 90 5A Select Quadruple-density Graphics ESC * n2 42 2A m n1...

  • Page 98: Appendix

    Appendix The Interface Boards ... A-2 Compatible interfaces ... Installing the interface board ... A-2 # 8143 New serial interface board ... A-8 Appendix A-1...

  • Page 99: Appendix

    A number of optional interfaces are available in case your computer does not have a parallel interface or you wish to increase the memory capacity of your printer’s buffer. Compatible interfaces The Epson interfaces that are compatible with your printer are listed below. Interface number # 8143...
  • Page 100 Also, try not to touch contacts on the circuit board of the printer because many of the components can be destroyed by the static electricity present in your body. Unplug the power cable from the electrical outlet.
  • Page 101 The Interface Boards 3. Partially raise the upper case, being careful not to strain the cable connected to the control panel. Reach under the case and detach the control panel by squeezing together the two retaining clips. 4. Slip the control panel back through the upper case. 5.
  • Page 102 6. Detach the shield plate from the back of the lower case. This plate is firmly wedged into place; to remove it gently pull out on the side of the printer case until there is enough of a gap to remove the plate.
  • Page 103 FG wire not attached 2. Carefully place the interface board next to the printer as shown below. Use the CG screw to connect the round end of the FG wire to the main board.
  • Page 104 The Interface Boards 3. Holding the interface board level, rotate it clockwise into position and attach it to the main board. Be sure that the connector pins are properly inserted into the mating connector. 4. Secure the board with the three screws provided. Appendix A-7...
  • Page 105 New serial interface board If you are using an optional interface, you may need to match the communications protocol of the printer and the computer so they can communicate properly. Use the information in your optional interface manual or the computer manual to match the computer with the interface.

  • Page 106: Baud Rate Selection

    baud rate selection #8143 Baud rate S W 1 - 7 1 1 0 134.5 1200 1800 2400 4800 9600 19200 19200 19200 19200 Note: During current loop operation, normal data transfer cannot be guaranteed at a baud rate higher than 1200 bps. SW1-1 SW1-4 S W 1 - 3...

  • Page 107: Error Handling

    Print buffer area Vacant area = 256 bytes Vacant area = 528 bytes Error handling When a parity error is detected, your printer prints an asterisk (*). All other errors are ignored. A-10 Appendix Printer status Cannot receive input data...

  • Page 108: Glossary

    A binary digit (0 or l), which is the smallest unit of information used by a printer or computer. See also number systems. byte A unit of information consisting of eight bits.
  • Page 109 DIP switches Small switches in printer that control various printer functions and set the default status of the printer when it is turned on or initialized. DIP stands for Dual In-line Package. dot matrix A method of printing in which each letter or symbol is formed by a...
  • Page 110 ESC/P Abbreviation for Epson Standard Code for Printers. This system of commands gives you software control of your printer from your computer. It is standard for all Epson printers and supported by most application software for personal computers. font A font is a style of type designated by a family name.
  • Page 111 A control code and a panel button that advances the paper one line space. on line When the printer is on line, it is in communication with the computer connected to it. parallel interface See interface. Parity is a method for a computer and printer to check the reliability of data transmission.
  • Page 112 RAM is lost when the printer is turned off. self test A method of checking the operation of the printer. When the self test is run, the printer prints out its current DIP switch settings and the characters that are stored in its ROM. Glossary...

  • Page 113: Index

    3-5 Double-wide mode, 5-2 Draft font, 3-2-3, 3-7, 3-10-12, Draft mode, 3-11 Edge guides, 1-15, 2-2, 2-4, 2-17 Epson Extended Graphics, 3-15 Fonts draft, 3-3, 3-7, 3-10-12, 5-2-3 Roman, 3-3, 3-7, 3-10—12, 5-3 Sans Serif, 3-3, 3-7, 3-U-12, selecting, 3-3, 3-7, 3-10-12,...
  • Page 114 LINE FEED/DRAFT button, 1-18, 3 - 2 - 4 Line spacing, 5-2, 5-12 Loading paper continuous-feed, 2-9-13 single-sheet, 1-14-16, 2-3-6, Maintenance. See Cleaning printer Multi-part forms, 2-17-19 OFF LINE/ON LINE button, 2-6, 3-2-3, 4-2 ON LINE light, 3-2-3, 4-4 Panel. See Control panel...
  • Page 115 Skip over perforation, 3-8-9 Specifications, S-1-12 Technical specifications, S-1-12 Testing printer, 1-17-19 Top of form, 2-14-15, 5-12 Tractor cover, 1-2-3, 2-15 Tractor unit installing, 2-7-8 removing, 1-6 Transporting printer, 4-11-13 Troubleshooting, 4-1-5 Typestyles, 3-10-12. See also Fonts Unpacking printer, 1-2-6...
  • Page 116 Neither is any liability assumed for damages resulting from the use of the information contained herein. Epson America, Inc. shall not be liable against any damages or problems arising from the use of any options other than those designated as Original Epson Products by Seiko Epson Corporation.
  • Page 117 Quick Reference...
  • Page 118 Dec. ASCII ESC & ESC : 0 n 0 ESC % n ESC 6 ESC 7 ESC K nl n2 ESC L n1 n2 ESC Y n1 n2 ESC Z n1 n2 ESC * m nl n2 ESC ? s m Switch Description International character set...

  • Page 119: Commands Arranged By Topic

    Commands Arranged by Topic ASCII Dec. Hex. Description ESC @ Initialize Printer Select Printer Deselect Printer Delete Character ESC < Select Unidirectional Mode (one line) ESC U l/O Turn Unidirectional Mode On/Off ESC EM Control Cut Sheet Feeder Mode ESC = Set MSB to 0 ESC >...

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