Epson LQ-500 User Manual

Epson LQ-500 - Impact Printer Manual

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  • Epson LQ-500 | User Manual - Page 1
  • Epson LQ-500 | User Manual - Page 2
    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
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    DIP Switches 3-5 Selecting Typestyles 3-11 Selecting an International Character Set 3-14 Choosing a Character Table 3-16 Chapter 4 Troubleshooting and Maintenance 4-1 Problems and Solutions 4-2 Cleaning the Printer 4-6 Replacing the Ribbon 4-8 Transporting the Printer 4-11 Contents iii
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    Chapter 5 Technical Specifications 5-1 Printer Specifications 5-2 Interface Specifications 5-7 Initialization 5-11 Default Settings 5-12 Chapter 6 Command Summary 6-1 Appendix A-1 The Interface Boards A-2 The Multi-Font Module A-14 Glossary Index iv Contents
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    1000 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
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    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
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    Removing the pull tractor 1-3 Choosing a Place for the Printer 1-5 Assembling the Printer 1-7 Installing the paper feed knob 1-7 Installing the ribbon cartridge 1-8 Attaching the paper guide 1-11 Testing the Printer 1-13 Plugging in the printer 1-13 Loading a sheet of paper 1-14 Running the
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    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. Also, in some locations, the power cable may be attached to the printer. 1-2 Setting
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    for use on another voltage. 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: 1. Raise the tractor cover to the upright position. Then lift the cover up and
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    Unpacking the Printer 2. Hold both ends of the tractor unit and slowly tilt the unit back until the front notches of the unit are free. 3. Lift the tractor unit up and off.; 1-4 Setting Up the Printer
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    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
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    . l Make sure that the power cord and the interface cable do not interfere with paper feeding. If possible, secure them to a printer stand support. WARNING: l Avoid locations that are subject to direct sunlight, excessive heat, moisture, or dust. l Avoid using electrical outlets that are controlled
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    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 is turned off
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    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
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    . This removes any excess slack in the ribbon and makes it easier to install. 4. 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
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    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. 1-10 Setting Up the Printer
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    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. Place the paper guide on the printer. 2. Raise the paper guide until it locks into place. Setting Up the Printer 1-11
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    Assembling the Printer 3. Attach the printer cover by fitting the legs of the cover into the notches at the front of the printer. 4. Close the printer cover. 1-12 Setting Up the Printer
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    operating properly. Before running the self test, you need to connect your printer to an electrical outlet and load a sheet of paper. Plugging in the printer Follow these steps to plug in the printer: 1. Be sure the printer is turned off. 2. Plug the power cable into a properly grounded electrical
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    Testing the Printer Loading a sheet of paper Next, you need to load a sheet of paper that is letter or A4 size. 1. Turn on the printer. The green POWER and red PAPER OUT lights 2. Be sure that the paper release lever is pushed back to the single sheet position. 1-14 Setting Up the Printer
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    Testing the Printer 3. Move the left edge guide so it locks in place next to the guide mark. 4. 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. Setting Up the Printer 1-15
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    Testing the Printer WARNING: Never run the self test using paper that is narrower than 8¼ inches (210 mm or A4 size) because then the print head prints directly onto the platen. 5. Press the AUTO LOAD button once to automatically load the paper. Note: If the platen turns without loading the paper,
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    down the LINE FEED button (draft mode) or the FORM FEED button (Letter Quality mode), turn on the printer. 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 draft self test: Setting Up the
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    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
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    your printer to the computer. If the self test did not print correctly, see "Where to Get Help" on the inside front cover of this guide. The printer has 's operating manual. The parallel interface Connect the parallel interface cable as described below: 1. Be sure both the printer and computer
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    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 at the computer end of the cable, attach it to the ground connector at the back of the computer.) 1-20 Setting Up the Printer
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    are listed in the order of preference): L-1000 L-750 LQ-850/950/1050 LQ-500 LQ-2550 LQ-800/1000 LQ-1500 If none of these printers is listed, select the first one available on the following list. EX MX FX Epson printer LX Standard printer Rx Draft printer To use all the features of your
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    Printer Selection Menus 1-22 Setting Up the Printer
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    Using Single Sheets 2-2 Attaching the paper guide 2-2 Loading paper 2-4 Reloading during printing 2-7 Using Continuous Paper 2-8 Installing the pull tractor 2-8 Positioning your continuous paper supply 2-11 Loading continuous paper 2-11 Attaching the paper guide 2-16 Setting the top of form
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    (216 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. Place the paper guide on the printer. Then raise it up until it locks
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    Using Single Sheets 2. Slide the left edge guide until it locks in place at the guide mark. Next, adjust the right edge guide to match the width of your paper. 3. Attach the printer cover. Paper Handling 2-3
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    Using Single Sheets Loading paper Follow these steps to load paper in the printer: 1. Push the paper release lever back to the single-sheet position. 2. Turn on the printer. The POWER and PAPER OUT lights should be on. 2-4 Paper Handling
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    Using Single Sheets 3. Slide the paper down between the edge guides until it meets resistance. 4. Press the AUTO LOAD button once to load the paper automatically. Note: If the platen turns without loading the paper, completely
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    Using Single Sheets 5. Press the ON LINE button to set the printer on line. 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. 2-6 Paper Handling
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    of paper, there are two ways your software can allow you to load a new sheet at the end of a printed page: l If your software sends characters in a continuous stream, the printer stops printing when it reaches the bottom of the paper. When this happens, the page ejects and the ON LINE light goes
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    ). 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. 2-8 Paper
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    Using Continuous Paper 3. Pull the paper release lever forward to the continuous paper position. 4. Open the slot cover for the tractor unit. Paper Handling 2-9
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    Using Continuous Paper 5. Fit the rear notches of the tractor unit over the rear mounting pins of the printer. 6. Press the tractor unit forward until its front notches lock onto the front mounting pins of the printer. 2-10 Paper Handling
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    the paper feeds smoothly and straight into the printer. Loading continuous paper Follow these steps to load continuous paper. 1. Turn off the printer. 2. Slide the print head to the middle of the printer. WARNING: If the printer has been used recently, the print head may be hot. Let it cool before
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    Using Continuous Paper 3. Pull the sprocket lock levers forward to unlock the sprocket frames. 4. Slide the left sprocket frame to approximately 1/2 inch (12 mm) from the far left position, Then push the sprocket lever back to lock it in place. 2-12 Paper Handling
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    Using Continuous Paper 5. Slide the right sprocket frame to match the width of your paper, but do not lock it. 6. Position the paper support midway between the two sprocket frames. Paper Handling 2-13
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    Using Continuous Paper 7. Open both sprocket covers. 8. 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. 2-14 Paper Handling
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    Using Continuous Paper 9. Fit the holes of the paper over the tractor pins of the sprocket frames, and then close the sprocket covers. 10. Adjust the position of the right sprocket frame to remove any slack across the paper and then lock it into place. Paper Handling 2-15
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    11. 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. Attaching the paper guide With continuous paper, the paper guide functions as a paper separator. 1. Place the paper guide over the printer and paper. 2-16 Paper Handling
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    2. Slide the edge guides to the center of the paper's width. 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: The top of form position remains valid until the printer is turned off
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    : If you use the paper feed knob to feed the paper after turning on the printer, the printer loses track of the set position. If you wish to retain the set top of form position, be sure to use the LINE FEED or
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    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. Paper
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    position of the paper thickness lever as follows: 1. Turn off the printer. 2. Remove the tractor cover or the printer cover. 3. Slide the print head to the middle of the printer. WARNING: If the printer has been used recently, the print head may be hot. Let it cool before attempting to move it. 2-20
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    Printing on Special Paper 4. Set the paper thickness lever to match the thickness of your paper, according to the table below. Paper Type Ordinary (single sheets
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    cover. Using multi-part forms With the pull tractor unit installed, your printer 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
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    Chapter 3 Using the Printer Operating the Control Panel 3-2 Lights 3-2 Buttons 3-3 Other control panel features 3-4 DIP Switches 3-5 Setting the DIP switches 3-5 a font with DIP switches 3-13 Selecting an International Character Set 3-14 Choosing a Character Table 3-16 Using the Printer 3-1
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    lights so you can check the current status of the printer's settings. Lights POWER: READY: PAPER OUT: 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. 3-2 Using the
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    Control Panel ON LINE: SelecType: On when the printer can receive and print data from the computer. If this light flickers, the print head is overheated. In this case, the printer waits until the print head cools and then resumes printing. The two SelecType lights indicate which font is currently
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    in Chapter 1 for more information. Data dump: By holding down both the LINE FEED and FORM FEED buttons while you turn on the printer, you turn on the data dump mode. This feature allows advanced users to find the cause of communication problems between the printer and the software. 3-4 Using the
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    settings of the two sets of DIP switches inside the font compartment, you can control various printer features, such as the character set and page length. These new settings become valid whenever the printer is turned on, reset, or initialized. Setting the DIP switches Follow these steps to set the
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    following pages give the DIP switch functions for each setting. 4. Reattach the font compartment cover. The new settings become valid when you turn on the printer. 3-6 Using the
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    Italic OFF DIP Switch 2 SW 2-1 Page length Description 2-2 CSF page length 2-3 Skip over perforation 2-4 Auto line feed 2-5 Input buffer capacity 2-6 Print direction for graphics 2-7 2-8 Character pitch selection ON OFF 12 inches 11 inches A4 size (65 lines) ON Letter size (61 lines
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    ON ON Pitch selection Character pitch 10 pitch 12 pitch 15 pitch Proportional SW2-7 OFF ON OFF ON SW2-8 OFF OFF ON ON 3-8 Using the Printer
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    (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 2-5 on). Before defining user- defined characters, however, be sure to set the switch to 1 Kbyte (off
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    DIP Switches Skip over perforation DIP switch 2-3 controls the skip over perforation function. If this switch is on when you are using continuous paper, the printer leaves a one-inch (25.4 mm) margin between the last printed line on one page and the first printable line on the next page so that the
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    , the SelecType feature on your control panel, or by setting DIP switches. Built-in character fonts Your printer has three built-in character fonts: DRAFT 0123456789:;?@ABCDEFGHIJK LMNOPQRSTUVWXYZ [\]^_' a b c d e f g h i j k l m n o p q r s t u v w x y z [ | ]~ We've just seen your excellent ad
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    editing work. Roman and Sans Serif are Letter Quality (LQ) fonts. Letter Quality takes a little longer to print, but produces fully-formed characters for presentation-quality documents. Optional font modules are also available for use with your printer. For more information, see the section on the
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    optional font module is not installed. The font selected by SelecType remains valid until another font is selected by a software command or until the printer is turned off, reset, pitch and add other print enhancements by using software commands listed in the Command Summary, Chapter 6. Using the
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    OFF ON OFF OFF OFF CAUTION: When you change the setting of a DIP switch, be sure to first turn off the printer. Change the DIP switch and then turn the printer back on. Besides the eight sets above, the six international character sets and the legal set shown on the next page
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    Selecting an International Character Set Country 8 Japan 9 Norway 10 Denmark II 11 Spain II 12 Latin America 13 Korea 64 Legal ASCII code (hex) 23 24 40 5B 5C 5D 5E 60 7B 7C 7D 7E Using the Printer 3-15
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    DIP switch 1-7 selects the italics 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, comers, and shaded areas. If you have an
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    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 printing 4-4 Single sheets do not feed properly 4-4 Continuous paper does not feed properly 4-5 The
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    in Chapter 1. If the self test works properly, the printer is working, and the problem probably lies in the computer, the software, or the cable. If the self test does not work, contact the store where you purchased your printer or call the Epson toll-free number. 4-2 Troubleshooting and Maintenance
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    2. The print head may be worn out. This is especially likely if parts of printed characters are missing. Contact an 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. Troubleshooting and
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    . 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 stopped to allow the print head to cool. Printing resumes soon; you do not have to do
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    the codes that interfere with your SelecType settings. Another solution is to use the printer control codes for your application program instead of SelecType to control your printing. The manual for your program can tell you how to change the printing style. Troubleshooting and Maintenance 4-5
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    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, tractor unit, and any installed options. 3. Use a soft brush to carefully clear away all dust and dirt. 4. If the outer case or
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    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 damage the mechanism. Contact your Authorized Epson Dealer if lubrication is needed. Troubleshooting and Maintenance 4-7
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    . 2. To remove the ribbon cartridge, lift it straight up and out of the printer. 3. Slide the print head to the middle of the printer. WARNING: If the printer has been used recently, the print head may be hot. Let it cool before attempting to replace the ribbon. 4-8 Troubleshooting and Maintenance
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    the new ribbon, turn the ribbontightening 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 and
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    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. Insert the legs of the printer cover into the printer, then tilt the printer cover back into place. 4-10 Troubleshooting and Maintenance
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    materials, as described below. 1. Turn off the printer. 2. Remove the paper guide and paper rest. 3. Unplug the power cable from the electrical outlet; then disconnect the interface cable from the printer. 4. Remove the ribbon cartridge and paper feed knob. Troubleshooting and Maintenance 4-11
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    the tractor cover, replace them now according to the instructions in Chapter 2. WARNING: Never hold the printer by the font compartment cover-even if you are only carrying the printer a short distance. This cover could come off and cause you to drop the printer. 4-12 Troubleshooting and Maintenance
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    Chapter 5 Technical Specifications Printer Specifications 5-2 Printing 5-2 Paper 5-3 Mechanical 5-5 Electrical 5-5 Environmental 5-6 Interface Specifications 5-7 Initialization 5-11 Default Settings 5-12 Technical Specifications 5-1
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    Printer Specifications Printing Printing method: Printing speed: Pitch 10 10 12 12 Quality draft Letter Quality draft Letter Quality 24-pin impact dot matrix Characters/second/line 150 50 180 60 Printing direction: Line spacing: Printable columns: Character pitch 10 pitch 10 pitch double-wide
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    Printer Specifications Buffer: Character fonts: Font Epson Draft Epson Roman Epson Sans Serif Courier (optional) Prestige (optional) Script (optional) OCR-B (optional) OCR-A (optional) Orator (optional) Orator-S (optional) 1 Kbyte or 8 Kbytes (DIP switch selectable) Available Pitches (characters
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    Printer Specifications Printable area: 3 mm (0.12") or more 9 mm (0.35") or more 101 to 242 mm (4.0 to 9.5") paper width 13 mm (0.51") or more on both
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    Mechanical Ribbon: Cartridge ribbon, available in black only ( # 7753). Do not use ribbons for 9-pin printers. Life expectancy (in Letter Quality characters, at 48 dots/character): 2 million MCBF: For all components excluding print head: 3 million lines MTBF: 4000 power on hours Print head
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    Printer Specifications Environmental Temperature: Humidity: Shock: Vibration: Operation: 41°F to 95°F (5°C to 35°C) Storage: -22°F to 140°F ( -30°C to 60°C) Operation: 10% to 80% without condensation
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    data. A HIGH signal indicates that the printer cannot receive data. The signal goes HIGH in the following cases: 1) During data entry (ea. char. time) 2) During printing 3) When off line 4) During printer-error state A HIGH signal indicates that the printer is out of paper. Technical Specifications
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    Interface Specifications 5-8 Technical Specifications
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    Specifications Note: 1. The column heading "Direction" refers to the direction of signal flow as viewed from the printer. 2. "Return" denotes the carried out by observing the ACKNLG or BUSY signal. (Data transfer to this printer can be carried out only after receipt of the ACKNLG signal or when the
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    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, DC1 or DC3. * While printing is disabled, character data is being received and acknowledged so that the printer can look for another DC1
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    receives an INIT signal at the parallel interface (pin 31 goes LOW). 3. Software sends the ESC @ (Initialize the printer) command. These three kinds of initialization have slightly different effects. In particular, ESC @ resets the font to the current SelecType setting; the other two methods
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    conditions that become valid when the printer is initialized. Item Top of form position Left and right margins Line spacing Vertical tab position Horizontal tab positions VFU channel Font selection Character pitch Justification Special printing effects User-defined character set Graphic mode
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    . ESC D nn is a command with a variable number of parameters. ASCII Dec. Hex. Description Printer Operation ESC@ DC1 6 4 4 0 Initialize Printer 17 11 Select Printer DC3 DEL 19 13 Deselect Printer 127 7F Delete Character ESC < ESC U 1/0 ESCEMn 60 3C Select Unidirectional Mode (one line
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    Command Summary ASCII Dec. Hex. Description Printer Operation (continued) ESC# BEL 35 23 Cancel MSB Control 7 07 Beeper Data Control CR CAN 13 0D Carriage Return 24 18 Cancel Line Vertical Motion
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    position from the left margin in 1/60-inch units Total units = n1 + (n2 x 256) Set Relative Print Position Moves current print position in units of 1/120 inch for draft and 1/180 for LQ Total units = n1 + (n2 x 256) Tab Horizontally Set Horizontal Tabs Up to 32 tabs (1-255) entered in ascending
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    Orator the Multi-Font 3: Prestige 8: Orator-S Module is 4: Script installed) Master Select To find the value of n add together the numbers 8,08; double-strike: 16,10; double-wide: 32,20; italics: 64,40; underline: 128,80 Print Size and Character Width ESC P ESC M ESC g E S Cp1 / 0 SI ESC SI 80
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    line) 87 57 Turn Double-wide Mode On/Off 20 14 Cancel Double-wide Mode (one line) 119 77 Turn Double-high Mode On/Off Print Enhancement ESC E ESC F ESC G ESC H ESC S0 ESC S1 ESC T ESC (-nn ESC - 1/0 69 45 70 46 71 47 72 48 83 53 83 53
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    Command Summary ASCII Dec. Hex. Description Print Enhancement (continued) ESC 4 ESC 5 ESC q n 52 34 Select the space between characters (1-127) Units are 1/120 inch (draft) and 1/180 inch (LQ and proportional) Character Tables ESC t n 116 74 Select Character Tables Selects character table
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    Italy 7: Spain 8: Japan 9: Norway 10: Denmark II 11: Spain II 12: Latin America 13: Korea 64: Legal User-defined Copy ROM to RAM n= font family 0: Roman (Fonts in font cartridges 1: Sans Serif can also be copied) ESC % n 3 7 the printing of codes 128-159 Enable Upper Control Codes Cancels
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    -speed double-density* 8 2 Quadruple-density* a 3 CRT I a 4 CRT II a 6 Single-density 24 32 Double-density 24 33 CRT III 24 38 Triple- 24 39 Hex-density* 24 40 Horiz. dots/inch 60 120 120 240 40 90 60 120 90 180 360 * Adjacent dots cannot be printed in this mode. ESC ? s m 63
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    Appendix The Interface Boards A-2 Compatible interface A-2 Installing the interface board A-2 #8143 new serial interface board A-12 The Multi-Font Module A-14 Installing the Multi-Font Module A-16 Selecting the Multi-Font Module A-17 Appendix A-1
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    installing an optional interface board, follow these steps: 1. Turn off both the printer and your computer. 2. Disconnect the parallel cable from the printer and the computer. 3. Remove the printer cover. 4. Remove the paper guide. 5. Remove the ribbon cartridge. 6. Remove any installed printer
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    is turned off and the power cord 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 static electricity present in your body. 1. Unplug the power cable from the electrical outlet. 2. Remove
  • Epson LQ-500 | User Manual - Page 103
    The Interface Boards CAUTION: Use caution when removing or attaching the upper case to avoid damaging the printer. 3. To remove the upper case, first put the printer on a table or desk so that its front extends slightly over the edge, allowing access to the openings on the front of the underside of
  • Epson LQ-500 | User Manual - Page 104
    The Interface Boards 4. Insert a flat-blade screwdriver into either opening on the underside of the printer. Push the screwdriver up and press the handle of the driver toward the back of the printer to release the clips on the case. 5. Partially raise the upper case, taking care not to strain the
  • Epson LQ-500 | User Manual - Page 105
    lift off the cover and set it aside. 7. Remove the shield plate on the back of the printer by pressing in on the plastic clips located at the back of the plate. 8. Using a cross-head screwdriver, remove the screw labelled CG (shown on the next page) from the main board. Then set
  • Epson LQ-500 | User Manual - Page 106
    The Interface Boards Note: Two screws are labelled CG. Be sure to remove the one indicated in the illustration below. 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
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    The Interface Boards 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 (frame ground) wire to the main board. 3. Holding the interface
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    provided. 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 page A-12.) 6. Reattach the upper case as described in the following section
  • Epson LQ-500 | User Manual - Page 109
    The Interface Boards Attaching the upper case 1. Fit the hinges of the upper case into the openings in the lower case. Now partially lower the upper case. WARNING: Take care not to pinch the FG wire between the upper and lower cases. 2. Carefully insert the control panel cable into the connector
  • Epson LQ-500 | User Manual - Page 110
    When you use the optional interface, be sure to disconnect the printer cable from the printer's built-in parallel interface. You should never leave two interface cables connected at the same time. 5. Replace the ribbon cartridge, printer cover, and any other necessary parts or options. Appendix A-11
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    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 your computer's manual to match the computer with the interface. For the #8143 optional interface board
  • Epson LQ-500 | User Manual - Page 112
    #8143 baud rate selection The Interface Boards Note: During current loop operation, normal data transfer cannot be guaranteed at a baud rate higher than 1200 bps. Error handling When a parity error is detected, your printer prints an asterisk (*). All other errors are ignored. Appendix A-13
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    slot, the following fonts are available: Courier, Prestige, Script, OCR-A, OCR-B, Orator, and Orator-S. The Multi-Font Module is installed in the slot in the printer. See the manual that comes with the module for full information on using the Multi-Font Module. Note: Font modules #7400, #7401, #7402
  • Epson LQ-500 | User Manual - Page 114
    The Multi-Font Module OCR-A The OCR-A and OCR-B fonts can be read by an optical character reader (also known as a document reader or image scanner) for input into another computer. Appendix A-15
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    the Multi-Font Module Follow these steps to install the Multi-Font Module: 1. Turn off the printer. 2. Remove the font compartment cover. 3. Insert the Multi-Font Module securely into the connector so that the small arrow on the font module points to
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    by using the SelecType panel or by setting two DIP switches located inside the font compartment. To select the font using SelecType: 1. Turn on the printer and set it on line. 2. Press the FORM FEED button until both SelecType lights are on. This selects the Multi-Font Module. When you select
  • Epson LQ-500 | User Manual - Page 117
    The Multi-Font Module A-18 Appendix
  • Epson LQ-500 | User Manual - Page 118
    which the print head goes from left to right only on every other line. On the other lines, it goes from right to left. This increases the speed of printing because the head prints in both directions. bit A binary digit (0 or 1), which is the smallest unit of information used by a printer or computer
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    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 pattern (matrix) of individual dots. double-high printing Printing in which each character is twice as
  • Epson LQ-500 | User Manual - Page 120
    and character graphics for printing lines, comers, and shaded areas. 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
  • Epson LQ-500 | User Manual - Page 121
    is italicized. Letter Quality (LQ) One of two print qualities available on your printer. Letter Quality reduces the print speed and increases the number of dots per character to increase the print quality. Draft uses a minimum number of dots per character for high-speed printing. line feed A control
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    buffer and for storing user-defined characters. All data stored in 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
  • Epson LQ-500 | User Manual - Page 123
    GL-6 Glossary
  • Epson LQ-500 | User Manual - Page 124
    tables, 3-7, 3-16, 5-3 Cleaning printer, 4-6-7 Command summary, 6-1-8 Condensed mode, 3-7, 5-2 Connecting printer, 1-19-20 Continuous-feed paper, button, 1-17, 2-18, 3-3 Draft mode, 3-4, 3-7, 5-2 E Edge guides, 1-15, 2-3, 2-5, 2-17 Epson Extended Graphics, 3-16, 5-3 F Fonts courier, 5-3, A-14 draft,
  • Epson LQ-500 | User Manual - Page 125
    specifications, 5-3 top of form, 2-17-18 Paper feed knob, 1-2, 1-7-8 Paper guide, 1-2 attaching, 1-11-12, 2-2-3, 2-16-17 continuous-feed paper, 2-16-17 Print head, 1-8, 2-11, 4-3, 4-8 Print speed, 5-2 Problems, see Troubleshooting Proportional pitch, 3-8, 5-2 Pull tractor removing, 1-3 installing,
  • Epson LQ-500 | User Manual - Page 126
    3-10 Special printing effects, 5-12 Specifications, 5-1-12 T Technical specifications, 5-1-12 Testing printer, 1-13-18 Top of form, 2-17-18, 5-12 Tractor cover, 1-2-3, 2-18 Tractor unit installing, 2-8-10 removing, 1-3-4 Tractor unit slot cover, 2-9 Transporting printer, 4-11 Troubleshooting, 4-1-12
  • Epson LQ-500 | User Manual - Page 127
    Quick Reference
  • Epson LQ-500 | User Manual - Page 128
    17 11 19 13 127 7F 60 3C 85 55 25 19 61 3D 62 3E 35 23 7 07 13 0D 24 18 Description Initialize Printer Select Printer Deselect Printer Delete Character Select Unidirectional Mode (one line) Turn Unidirectional Mode On/Off Control Cut Sheet Feeder Mode Set MSB to 0 Set MSB to
  • Epson LQ-500 | User Manual - Page 129
    53 84 54 40 28 45 2D 52 34 53 35 113 71 Description Set Left Margin Set Right Margin Backspace Set Absolute Print Position Set Relative Print Position Tab Horizontally Set Horizontal Tabs Select Letter Quality or Draft Select Typestyle Family Master Select Select 10 CPI Select 12 CPI
  • Epson LQ-500 | User Manual - Page 130
    sheet feeder mode Switch 2-1 2-2 2-3 2-4 2-5 2-6 2-7 2-8 Description Page length CSF page length Skip over perforation Auto line feed Input buffer capacity Print direction for graphics Character pitch selection E * Description Define User-defined Characters Copy ROM to RAM Select User-defined Set
  • Epson LQ-500 | User Manual - Page 131
    energy and, if not installed and used in accordance with the instructions, may cause harmful connection of a non-shielded printer interface cable to this printer will invalidate the FCC Certification herein. Epson America, Inc. shall not be liable against any damages or problems arising from
  • Epson LQ-500 | User Manual - Page 132
    EPSON AMERICA, INC. 2780 Lomita Boulevard Torrance, California 90505 L-1000 KEY FEATURES: n Fast Print Speeds n Letter Quality Output n Tractor and Friction Feed n Four Built-In Letter Quality Fonts n Graphics Capability n Front Panel Control Operation n Quiet Printing n Perfect Companion Product
  • Epson LQ-500 | User Manual - Page 133
  • Epson LQ-500 | User Manual - Page 134
  • Epson LQ-500 | User Manual - Page 135
    Skip over perforation 2-4 Auto Line Feed 2-5 Input buffer capacity 2-6 Print direction for graphics* 2-7 Character pitch 2-8 ON 12 inches A4 (61 lines) OFF OFF 1 Kbyte Unidirect. See the table below l Unidirectional printing of graphics can be selected by using ESC U1 when SW2-6 is on.
  • Epson LQ-500 | User Manual - Page 136
    Printer Operation/Data Control Code Dec Hex Function ESC @ 64 40 Initialize Printer DC1 17 11 Select Printer DC3 19 13 Deselect Printer 8 08 Backspace ESC $ 3 6 24 Set Absolute Print Position ESC \ 92 5 C Set Relative Print Position HT 9 09 Tab Horizontally ESC D 68 44
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