Epson L-750 manual

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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. Do not use this product near water. 5. Do not[...]

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. 11. Never push objects of any kind into this produc[...]

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. Epson is confident that this policy will provide you with the assistance you ne[...]

Chapter 5 Technical Specifications 5-1 Printer Specifications ................................................. 5-2 Interface Specifications ............................................... 5-7 Initialization ............................................................. 5-11 Default Settings ........................................................ 5[...]

Introduction The ActionPrinter™ L-750 is an advanced 24-pin impact dot matrix printer combining a compact design and high performance with a wide range of features. 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 o[...]

About This Guide This user’s guide provides fully illustrated, step-by-step instructions for setting up and operating your printer. Finding your way around Chapter 1 contains information on unpacking, setting up, testing, and connecting the printer. Be sure to read and follow the instructions in this chapter first. Chapters 2 and 3 include import[...]

Chapter 1 Setting Up the Printer Unpacking the Printer ................................................ 1-2 Removing the protective materials ............................. 1-3 Removing the pull tractor ........................................ 1-6 Choosing a Place for the Printer .................................. 1-7 Assembling 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. 1-2 Setting Up the Prin[...]

Unpacking the Printer Removing the protective materials The printer is protected during shipping by the platen protector, two locking tabs, the carriage protector, and the print head protector. 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 t[...]

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 1-4 Setting Up the Printer[...]

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. Setting Up the Printer 1-5[...]

Unpacking the Printer 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. 2. Press the tabs on the pull tractor. Then t[...]

Choosing a Place for the Printer When you select a location for your printer, keep the following in mind: l Place the printer on a flat, stable surface. l Place the printer close enough to the computer for its cable to reach. l Leave adequate room around the printer to allow for easy operation and maintenance. l Use a grounded outlet; do not use an[...]

Choosing a Place for the Printer Note: If you plan to use a printer stand, make sure it meets the following requirements: l The stand must support at least 35 lb or 16 kg (twice the weight of the printer). l The stand must not tilt the printer more than 15 degrees from horizontal. With a cut sheet feeder, the stand must keep the printer level. l If[...]

Assembling the Printer To assemble the printer, you need only do the following: l Install the paper feed knob. l Install the ribbon cartridge. l 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 i[...]

Assembling the Printer 2. 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: Never move the print head while the printer is turned on because this can damage the printer. Also, if you have b[...]

Assembling the Printer 2. 3. 4. Remove the ribbon cartridge from its box and remove the plastic wrapper. Turn the ribbon-tightening knob in the direction of the arrow. This removes any excess slack in the ribbon and makes it easier to install. Hold the ribbon cartridge by its handle and push it firmly down into position, making sure the plastic hoo[...]

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. 6. Slide the print head from side to side to be sure it moves smoothly. Also check that the ribbon is not twisted or creased. 1-12 Sett[...]

Assembling the Printer Attaching the paper guide The paper guide functions to feed the paper smoothly and efficiently. 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. Settin[...]

Assembling the Printer 3. Turn on the printer. The green POWER and red PAPER OUT lights come on. 4. Be sure that the paper release lever is pushed back to the single-sheet position. 1-14 Setting Up the Printer[...]

Assembling the Printer 5. Move the left edge guide so it locks in place next to the guide mark. 6. Adjust the right edge guide to match the width of your paper. Next, slide a sheet down between the edge guides until it meets resistance. WARNING: Run the self test using paper wider than 14 inches (364 mm) to prevent the print head from printing dire[...]

Assembling the Printer 7. Pull the paper bail lever forward to automatically load the paper. 8. When the paper stops, push the paper bail lever back. Note: If the platen turns without loading the paper, remove the paper and reinsert it more firmly; then pull the paper bail lever forward. 1-16 Setting Up the Printer[...]

Testing the Printer Now that your printer is fully assembled, you can use the built-in self test function to see that the printer is working correctly even though it is not connected to a computer. 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 elec[...]

Testing the Printer Running the self test The self test can be run in draft mode or Letter Quality mode. To run the self test follow the steps below: 1. Be sure you have loaded a sheet of paper, as described before. 2. Turn off the printer. 3. While holding down the LINE FEED button (draft mode) or the FORM FEED button (Letter Quality mode), turn o[...]

Testing the Printer 4. The self test continues until the paper runs out or you press the ON LINE button. If the test results are satisfactory and you wish to stop the test, press the ON LINE button. 5. To end the self test, be sure the printer is not printing. If paper is still loaded, press the FORM FEED button to eject it. Then turn off the print[...]

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. If you are unsure whether [...]

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. 4. Plug the other end of the cable into the computer. (If there is a ground wire at the computer end of the cab[...]

Printer Selection Menus Most application programs let you specify the type of printer you are using so that the program can take full advantage of the printer’s features. Many of these programs provide an installation or setup section that presents a list of printers to choose from. Choosing from a menu Because the family of Epson printers shares[...]

Chapter 3 Using the Printer Operating the Control Panel ....................................... 3-2 Lights .................................................................. 3-3 Buttons ................................................................ 3-3 Other control panel features ..................................... 3-4 DIP Switches . . . . . .[...]

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. POWER READY PAPER OUT OFF ON LINE LINE FORM LETTER FEED QUALITY LINE FEED DRAFT 3-2 Using the Printer[...]

Operating the Control Panel Lights POWER: READY: PAPER OUT: ON LINE: Buttons ON LINE: FORM FEED: LINE FEED: On when the power switch is on and power is supplied. On when the printer is ready to accept data. This light flickers during printing. On when the printer is out of paper. On when the printer can receive and print data from the computer. If [...]

Operating the Control Panel Other control panel features The control panel also gives you access to several special functions. Self test: By holding down the LINE FEED button (for draft mode) or the FORM FEED button (for Letter Quality mode) while you turn on the printer, you can start the printer’s self test. The self test printout lets you chec[...]

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. Setting the DIP switches Follow these steps to set the DIP switches: 1. Be sure t[...]

DIP Switches 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. DIP Switch 1 3-6 Using the Printer[...]

DIP Switches International character set Font selection Pitch selection Using the Printer 3-7[...]

DIP Switches Auto line feed When auto line feed is on (DIP switch 2-4 on), each carriage return code (CR) is automatically accompanied by a line feed code (LF). Input buffer capacity The input buffer stores data from your computer. If you want to free your computer for other tasks while the printer prints, change the setting to 8 Kbytes (DIP switch[...]

DIP Switches If you adjust your top of form position to the proper point, you can get half of the margin at the bottom of one page and half at the top of the next page as shown below. DIP SW2-3 OFF (Skip over perforation OFF) ž ž ž ž ž ž 23456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[] 3456789:; <=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[l^ 456[...]

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. DRAFT !"#$%&'()*+,-./01234[...]

Selecting Typestyles SANS SERIF !“#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJ K LMNOPQRSTUVWXYZ[]^_` abcdefghijklmnopqrstu v wxyz { } ˜ We’ve just seen your excellent ad fo r miniature zebras in a recent back issue o f Trader’s Times. What is the price schedul e for quantities over one gross ? Draft mode uses fewer dots per char[...]

Selecting Typestyles 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. CAUTION: Be sure the printer is turned off before changing any DIP switch se[...]

Selecting an International Character Set Selecting an international character set provides you with the characters and symbols used in other languages. By setting the DIP switches, you can select one of eight international character sets. To select an international character set, see DIP switches 1-1, 1-2, and 1-3 ‘according to the table below. T[...]

Selecting an International Character Set Besides the eight sets above, the six international character sets. and the legal set shown below are also available through the ESC R command. Country ASCII code (hex) 23 24 40 58 5C 5D 5E 60 7B 7C 7D 7E 8 Japan #$@[¥]ˆ`{ } ˜ 9 Norway #¤ÉÆØÅÜéæøå ü 10 Denmark II #$ÉÆØÅÜéæøå ü 11 Spai[...]

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. If you have an IBM ® or compatible c[...]

Choosing a Character Table 3-16 Using the Printer[...]

Chapter 2 Paper Handling Using Single Sheets ................................................... 2-2 Attaching the paper guide ........................................ 2-2 Loading paper ....................................................... 2-3 Reloading during printing ........................................ 2-6 Using Continuous Paper ..........[...]

Using Single Sheets Your printer can accommodate single sheets with a width of 7.2 inches (182 mm) to 14 inches (264 mm). If the pull tractor unit is installed, you need to remove it before you can print on single sheets. See “Removing the pull tractor” in Chapter 1. Attaching the paper guide Follow these steps to attach the paper guide: 1. Pus[...]

Using Single Sheets 3. Attach the printer cover. Loading paper Follow these steps to load paper in the printer: 1. Push the paper release lever back as shown below. Paper Handling 2-3[...]

Using Single Sheets 2. Turn on the printer. The POWER and PAPER OUT lights should be on. 3. Slide the paper down between the edge guides until it meets resistance. 2-4 Paper Handling[...]

Using Single Sheets 4. Pull the paper bail lever toward you to load the paper automatically. Note: 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 ON LINE button to set the printer on line. Paper Handling 2-5[...]

Using Single Sheets To eject the paper, set the printer off line (by pressing the ON LINE button) and then press the FORM FEED button. CAUTION: Never advance the paper using the paper feed knob while the printer is turned on. Reloading during printing When you print a document more than one page long using single sheets of paper, there are two ways[...]

Using Continuous Paper To print on continuous paper, you need to install the pull tractor unit. With the pull tractor installed, you can print on continuous paper with a width of 4 inches (101 mm) to 16 inches (406 mm). If the pull tractor is already installed, skip to “Positioning your continuous paper supply” later in this chapter. Installing[...]

Using Continuous Paper 3. Pull the paper release lever and paper bail lever toward you. 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. 2-8 Pa[...]

Using Continuous Paper 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. Loading continuous paper Follow these steps to load continuo[...]

Using Continuous Paper 3. Pull the sprocket lock levers forward to unlock the sprocket frame. 4. 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. 2-10 Paper Handling[...]

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[...]

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. 2-12 Paper Handling[...]

Using Continuous Paper 9. Adjust the position of the right sprocket frame to remove any slack across the paper and then lock it into place. 10. 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. Paper Handling 2-13[...]

Using Continuous Paper 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 becau[...]

Using Continuous Paper 3. Attach the tractor cover to the printer. 4. Turn on the printer. CAUTION: If you use the paper feed knob to feed the paper after turning on the printer, the printer loses track form position, be sure to use the LINE FEED button or the Paper Handling 2-15[...]

Using Continuous Paper When you have finished printing To tear off the paper after you have finished printing, follow the steps below: 1. After printing is completed, set the printer off line. 2. Press the FORM FEED button to feed the paper forward, and then tear it off at the perforation. 2-16 Paper Handling[...]

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. WARNING: You cannot use multi-part forms with the printer’s single-sheet feeding[...]

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 Paper Type Ordinary (single sheets or continuous) Thin paper Multi-part paper 2 sheets (original + 1 copy) 3 sheets (original + 2 copies) Lever Position 2 2 or 1 3 4 WARNING: Always return the lever to[...]

Printing on Special Paper 5. 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. WARNING[...]

Chapter 4 Troubleshooting and Maintenance Problems and Solutions.. ............................................ 4-2 The printer does not print ....................................... 4-2 The printout is spaced incorrectly ............................. 4-3 The printout is faint or uneven ................................. 4-3 The printer stops printi[...]

Problems and Solutions This chapter discusses problems you may encounter and their likely solutions. At the back of the chapter is a section on the data dump mode. This mode helps more experienced users determine the causes of communication problems between the printer and the computer. This section lists possible problems and likely solutions. The[...]

Problems and Solutions The printout is spaced incorrectly Text is printed all on one line, or the printer is inserting extra blank lines between lines of text. l If all the text is printed on the same line, no line feed signal is being sent at the end of each line of text. Turn DIP switch 2-4 on. l If the printer is inserting extra blank lines betw[...]

Problems and Solutions The printer stops printing l The printer may be out of paper. Check the paper supply. l The paper may be jammed. Remove the jammed paper and reload. l The ribbon may be jammed. See the section on replacing the ribbon later in this chapter. l If the READY light is off and the ON LINE light is flickering, the printer has stoppe[...]

Problems and Solutions Continuous paper does not feed properly The position of the paper release lever may be wrong. Pull it forward to the continuous paper position. The paper may not be mounted on the sprockets correctly. See that the sprocket holes of the paper fit correctly over the sprockets. The paper separator may not be installed properly. [...]

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. Be sure the printer is turned off. 2. Remove the paper guide and the paper rest. 3. Use a soft brush to carefully clear away all dust and dirt. 4. If the outer case or paper guide is dirty[...]

Cleaning the Printer WARNING: l Never use alcohols or thinners to clean the printer; these chemicals can damage the components as well as the case. l Be careful not to get water on the printer mechanism or electronic components. l Do not use a hard or abrasive brush. l Do not spray the inside of the printer with lubricants; unsuitable oils can dama[...]

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. 2. Push the paper bail lever back; then slide the print head to the middle of the [...]

Replacing the Ribbon 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. Troubleshooting an[...]

Replacing the Ribbon 6. Use a pointed object, such as 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. 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 printe[...]

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. 3. Unplug the power cable from the electrical outlet; then disconnect the interface cable fr[...]

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. 4-12 Troubleshooting and Maintenance[...]

Transporting the Printer 8. Attach the platen protector. 9. Reattach the tractor cover. Troubleshooting and Maintenance 4-13[...]

Chapter 5 Technical Specifications Printer Specificataions.. .............................................. 5-2 Printing ................................................................ 5-2 Paper ................................................................... 5-3 Mechanical ........................................................... 5-5 Electri[...]

Printer Specifications Printing Printing method: 24-pin impact dot matrix Printing speed: Pitch Quality Characters/second/line 10 draft 180 10 Letter Quality 60 12 draft 216 12 Letter Quality 72 Printing direction: Bidirectional logic-seeking for text and unidirectional for dot graphics printing and character graphics printing. See page 3-8 for fur[...]

Printer Specifications Buffer: Character fonts: 1 Kbyte or 8 Kbytes (DIP switch selectable) Font Available Pitches (characters per inch) Epson Draft 10, 12, 15 Epson Roman 10, 12, 15, proportional Epson Sans Serif 10, 12, 15, proportional Character tables: 96 standard ASCII characters 14 international character sets and a legal set Epson Extended G[...]

Printer Specifications Printable area: Single sheet 22 mm (0.87") or more 3 mm (0.12") or more 13.5 mm (0.53") or mor e Continuous paper 9 mm (0.35") or mor e 101 to 406 mm (4.0 to 16.0 “) paper width 19 mm (0.75”) or more on both sides 5-4 Technical Specifications[...]

Printer Specifications Paper feed speed: Paper thickness: Number of copies: Mechanical Ribbon: MCBF: MTBF: Print head life: Approx. 100 ms/line at l/6-inch line spacing with intermittent feeding; 2.2 inches/s with continuous feeding. Single sheets 0.0024 to 0.004 inches (0.06 to 0.10 mm) Continuous 0.0024 to 0.0067 inches (0.06 to 0.17 mm) With con[...]

Printer Specifications Electrical Voltage: Power consumption: Frequency: Insulation resistance: Dielectric strength: (between AC line and chassis) : Environmental Temperature: Humidity: Shock: Vibration: 120 VAC ±10 % 120 Watts maximum 49.5 to 50.5 Hz (50 Hz version) 59.5 to 60.5 Hz (60 Hz version) 10 M between AC power line and chassis 120 V mode[...]

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 Pin Pin Signal Direction Description 1 19 STROBE IN STROBE pulse to read data. Pulse width must be m[...]

Interface Specifications 5-8 Technical Specifications[...]

Interface Specifications Note: l The column heading “Direction” refers to the direction of signal flow as viewed from the printer. l “Return” denotes the twisted-pair return, to be connected at signal ground level. For the interface wiring, be sure to use a twisted-pair cable for each signal and to complete the connection on the return side[...]

Interface Specifications Printing enabled/disabled signals and control conditions The table below shows the relationship between printing being enabled or disabled, the on line/off line status, and the receipt of the data on/off control characters, DCl, or DC3. l While printing is disabled, character data is being received and acknowledged so that [...]

Initialization There are two kinds of initialization methods-hardware and software . Hardware l The power is turned on. initialization l An INIT signal at the parallel interface is received. Software initialization The ESC @ command is received. Hardware initialization — When the printer is initialized, the following functions are performed. 1. T[...]

Default Settings The table below shows the default conditions that become valid when the printer is initialized. Item Reset to: Top of form position Current paper position Left and right margins Cancelled Line spacing 1/6-inch line spacing Vertical tab position Cleared Horizontal tab positions VFU channel Every eight characters Channel 0 Font selec[...]

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. ESC @ is a command with no parameters.[...]

Command Summary ASCII Dec. Hex. Description Printer Operation (continued) ESC # 35 23 Cancel MSB Control BEL 7 07 Beeper Data Control CR 13 0D Carriage Return CAN 24 18 Cancel Line Vertical Motion FF ESC C n ESC C 0 n ESC N n ESC O LF ESC 0 ESC 2 ESC 3 n ESC A n ESC J n VT ESC B nn 12 0C 67 43 67 43 78 4E 79 4F 10 0A 48 30 50 32 51 33 65 41 74 4A 1[...]

Command Summary ASCII Dec. Hex. Description Vertical Motion ESC b nn 98 62 Set Vertical Tabs in Channels Same as ESC B except the first n selects a channel for tabs. ESC / n 47 2F Select Vertical Tab Channel n = the vertical tab channel (0-7) Horizontal Motion ESC l n 108 6C ESC Q n 81 51 BS 8 08 ESC $ n1 n2 36 24 ESC nl n2 92 5C HT ESC D nn 9 09[...]

Command Summary ASCII Dec. Hex. Description Overall Printing Style ESC x n 120 78 Select Letter Quality or Draft 1: Letter Quality 0: Draft ESC k n 107 6B Select Typestyle Family 0: Roman 1: Sans Serif ESC ! n 33 21 Master Select To find the value of n add together the numbers of the typestyles you want to combine from the list below: 10 pitch: 0 d[...]

Command Summary ASCII Dec. Hex. Description 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 DC4 20 14 Cancel Double-wide Mode (one line) ESC w l/0 119 77 Turn Double-high Mode On/Off Print Enhancement ESC E 69 45 ESC F 70 46 ESC G 71 47 ESC H 72 48 ESC S O 83 53[...]

Command Summary ASCII Dec. Hex. Description Print Enhancement (continued) ESC 4 ESC 5 ESC q n 52 34 Select Italic Mode 53 35 Cancel Italic Mode 113 71 Select Character Style 0: Normal style 1: Outline 2: Shadow 3: Outline with shadow Word Processing ESC a n 97 61 ESC SP n 32 20 Select Justification 0: Left justification 1: Centering 2: Right justif[...]

Command Summary ASCII Dec. Hex. Description Character Tables (continued) ESC R n 82 52 Select an International Character Set 0: USA 1: France 2: Germany 3:UK 4: Denmark 5: Sweden 6: Italy 7: Spain 8: Japan 9: Norway 10): Denmark II 11: Spain II 12: Latin America 13: Korea 64: Legal User-defined Characters ESC & nn ESC : 0 n 0 ESC % n ESC 6 ESC [...]

Command Summary ASCII Dec. Hex. Description Graphics ESC K nl n2 75 4B Select Single-density Graphics Mode ESC L n1 n2 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 K,L,Y, and Z each select an 8-pin mode Total columns = nl + (n2 x 256) ESC * m n1[...]

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

The Interface Boards 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 Name # 8143 New serial interface board[...]

The Interface Boards Removing the upper case WARNING: High voltages are present inside the printer when the power is on. Do not attempt to remove the upper case unless the printer is turned off and the power cable is unplugged. Also, try not to touch contacts on the circuit board of the printer because many of the components can be destroyed by the[...]

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. Remove the upper case. A-4 Appendix[...]

The Interface Boards 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. 7. Using a cross-head screwdriver, remove the screw labelled CG from the main board. Then set it aside in a safe pla[...]

The Interface Boards Installing the board There are two basic types of interface board designs-the frame ground (FG) wire is attached for one type and not attached for the other. This difference does not affect the operation of the interface in any way. 1. If the interface board comes with an FG (frame ground) wire that is not already attached to t[...]

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[...]

The Interface Boards 5. For all interface boards except the #8143 New serial interface board, set the DIP switches on the interface board according to the manual accompanying your interface board. (If you have the #8143 board, see the description below.) 6. Reattach the upper case in the reverse order of the installation. #8143 New serial interface[...]

The Interface Boards #8143 baud rate selection Baud rate SW1- 7 SW1-1 SW1-4 SW1- 3 7 5 O N O N ON O N 11 0 O N O N O N OF F 134.5 ON ON OFF ON 150 ON ON OFF OFF 200 ON OFF ON ON 300 ON OFF ON OFF 600 ON OFF OFF ON 1200 ON OFF OFF OFF 1800 OFF ON ON ON 2400 OFF ON ON OFF 4800 OFF ON OFF ON 9600 OFF ON OFF OFF 19200 OFF OFF ON ON 19200 OFF OFF ON OFF[...]

The Interface Boards Handshaking timing Print buffer area Printer status Printer output Vacant area = 256 bytes Cannot receive input data Sends X-OFF code or sets DTR flag to "1" Vacant area = 528 bytes Can receive input data Sends X-ON code or resets DTR flag to "0" Error handling When a parity error is detected, your printer p[...]

Glossary Note that these definitions apply specifically to printers. application program A program that helps you carry out a particular task, such as word processing or financial planning. ASCII American Standard Code for Information Interchange. A standardized coding system for assigning numerical codes to letters and symbols. baud rate A measure[...]

continuous paper Paper which has sprocket-feed holes on each side, is perforated between pages, and is supplied in a folded stack. Also called fanfold paper. control code Besides the codes for printable characters, the ASCII standard also includes 33 other codes which are called control codes. These control codes perform such functions as sounding [...]

double-strike printing A way of producing bolder characters. Each character is printed twice; the second time, the dots are printed slightly below the original dots. Can only be used in draft mode. double-wide printing A print width in which each character is twice as wide as normal characters. draft One of two print qualities available on your pri[...]

interface The connection between the computer and the printer. A parallel interface transmits data one character or code at a time, and a serial interface transmits data one bit at a time. italic A typestyle in which the characters slant. This sentence is italicized. Letter Quality (LQ) One of two print qualities available on your printer. Letter Q[...]

print quality Your printer has two types of print quality: draft and Letter Quality. Draft is for high-speed, draft quality jobs; Letter Quality is for final, polished documents. proportional printing Printing in which the width of the character varies from character to character. For example, a capital W receives much more space than a lower case [...]

Index Command descriptions are not indexed here. For information on a specific command, see Chapter 6. A Auto line feed, 3-6, 3-8 B Buttons, control panel, 3-Z-3 C Cable, parallel interface, 1-20-21 Character pitch, 3-6-7, 5-2 Character spacing. See Character pitch Character tables, 3-7, 3-13-15, 5-3 Cleaning printer, 4-6-7 Command summary, 6-1-9 C[...]

L Letter quality mode, 3-11 Lights. See Control panel, lights 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, 4-4 M Maintenance. See Cleaning printer Multi-part forms, 2-17-19 O OFF LINE/ON LINE button, 2-6, 3-2-3, 4-2 ON LINE light, 3-2-3, 4-4 P Panel. See Control pan[...]

Skip over perforation, 3-8-9 Specifications, S-1-12 T 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 U Unpacking printer, 1-2-6 User-defined characters[...]

FCC COMPLIANCE S TATEMENT FOR AMER I C AN USER S This equipment generates and uses radio frequency energy and if not installed and used properly, that is, in strict accordance with the manufacturer’s instructions, may cause interference to radio and television reception. It has been type tested and found to comply with the limits for a Class B co[...]

Quick Reference[...]

ASCII Dec. Hex. ESC & nn 38 26 ESC : 0 n 0 58 3A ESC % n 37 25 ESC 6 54 36 ESC 7 55 37 ESC K nl n2 75 4B ESC L n1 n2 76 4C ESC Y n1 n2 a9 59 ESC Z n1 n2 90 5A ESC * m nl n2 42 2A ESC ? s m 63 3F Description Define User-defined Characters Copy ROM to RAM Select User-defined Set Enable Printable Characters Enable Upper Control Codes Select Single[...]

Commands Arranged by Topic ASCII ESC @ Dec. Hex. Description ASCII 64 40 Initialize Printer Dec. Hex. Description ESC I n 108 6 C Set Left Margin DC1 DC3 DEL ESC < 17 11 Select Printer 19 13 Deselect Printer 127 7F Delete Character 60 3 C Select Unidirectional Mode (one line) ESC Q n BS 81 51 Set Right Margin 8 08 Backspace ESC $ n1-n2 36 24 Set[...]