User manual EPSON DFX-8000

EPSON® DFX-8000 User's Manual FCC COMPLIANCE STATEMENT FOR AMERICAN USERS This quipment has been tested and found to.&& with @te limits for a class B digital device. pursuant to Part 15 of the FCC &da. `Yhaee limits pe designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may. w, .wtorodioc~ca&uu. However, there is no guarantee that &&e&e `- not~jttapar&&rin&l#&m.Ifthisquipment YtiP does cause harmful~@gf&+e,~.radid qr *ion *on, w&h .FM be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: . Reorient or relocate the receiving antenna. . Increase the separation between the quipment and receiver. . Connect the quipment into an outlet on a circuit different from that to which the receiver is connected. . Consult the dealer or an experienced radio/TV technician for help. WARNING The connection of a non-shielded printer interface cable to this printer will invalidate the FCC Certification of this device and may cause interfemnce levels which exceed the limits establiied by the FCC for this quipment. If this quipment has more than one interface connector, do not leave cables connected to unused interfaces. Seiko Epson Corporation shall not be liable against any damages or problems arisii from the use of any options or any consumable products other than those designated as Origmal Epson Products or Epson Approved Products by Seiko Epson Corporation. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, mechanical, photocopying, recording, or otherwise, without the prior written permission of Epson America, Inc. No patent liability is assumed with respect to the use of the information contained herein. While every precaution has been taken in the preparation of this book, Epson America, Inc. assumes no responsibility for errors or omissions. Neither is any liability assumed for damages resultiq from the use of the information contained herein. FOR CANADIAN USERS This digital apparatus does not exceed the Class B limits for radio noise emissions from digital apparatus as set out in the radio interference regulations of the Canadian Department of Communications. Le pr4sent appareil num6rique n&et pas de bruits radioflectriques depassant les limites applicables aux appareils nun&iques de Classe B prescrites darts le r4glement sur le brouillage radidlectrique' 6dicte par le Minis&e des Communications du Canada. Epson and Epson ESC/P are registered trademarks of Seiko Epson Corporation. IBM is a registered trademark of International Business Machines Corporation. Graphics created with UniPaint by Unison World Inc. and Epson JD-Graph. Copyright 0 1989 by Epson America Inc. Torrance, California IlWORTANT SAFETY INSTRUCTIONS 1. Readall of these instructions and save them for later reference. 2. Follow all warnings and instructions marked on the product. 3. Unphrg 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 pbce this product on an unstable cart, stand, or table. The product may fall, causing serious damage to the product. 6. Slots and openings in the cabinet and the back or bottom are provid&d for ventilation; to ensure reliable operation of the product and to protect it from overheating, these openings must not be blocked or covered. The openings should never be blocked by placing the product .on-a bed, sofa, rug, or other similar surface. This product should never be placed near or over a radiator or heat register. This$rdduct'should not be placed in a built-in instAlation unless proper ventilation is provided. 7. This product should be operated from the type of power source indicated on the marking label. If you are not sure of the type of power available, consult your dealer or local power company. 8. This product is equipped with a &wire grounding-type plug, a plug having a third (grounding) pm. This plug will only fit into a grounding-type power outlet. This is a safety feature. If you are unable to insert the plug into the outlet, contact your electrician to replace your obsolete outlet. Do not defeat the purpose of the grounding-type phrg. 9. Do not locate this product where the cord will be walked on. iii 10. If an extension cord'is used with`& product, make sure that the total of the ampere ratings on the products piugged into the extension cord does 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 puih objects of any kind into this product through cabinet slots as they may touch dangerous voltage points or short out parts that could result in a risk of fire or electric shock. Never spill liquid of any kind on the product. 12. Except as specifically explained in the User's Manual, do not attempt to service this product yourself. Opening or removing those covers that are marked `Do Not Remove" may expose you to : dangerous voltage points or other risks. Refer all servicing ,in those compartments to service personnel. 13. Unplug this product from the wall outlet and refer servicing to qualified service personnel under the following conditions: A. When the power cord or ~1% is damaged or frayed. B. If liquid has been spilled into the product. C. If the product has been exposed to rain or water. D. If the product.does not operate normally when the operating instructions are followed. Adjust only those controls that are covered by the operating instructions since improper adjustment of other controls may result in damage and will often require extensive work by a qualified technician to restore the product to normal operation. E. If the product has been dropped or the cabinet has been damaged. F. If the product exhibits a distinct change in performance, indicating a need for service. iv Contents About This Manual Introduction Chapter 1 Setting Up the Printer 1 3 1-1 Unpacking the Printer ................................................ Choosing a Place for the Printer .................................. Assembling the Printer ............................................... Testing the Printer .................................................... Connecting the Printer to Your Computer ..................... Setting Up Your Application Software .......................... Chapter 2 Paper Handling 1-2 1-7 1-9 1-13 1-26 1-36 2-1 2-2 Using the Two-Tractor System .................................... Switching between Front and Rear Tractors ................... Changing the Paper ................................................... Printing on Special Paper ........................................... Chapter 3 Using the Printer 2-20 2-24 2-29 3-1 3-2 3-7 3-17 3-18 3-20 3-33 3-37 3-40 3-43 Operating the Control Panel ....................................... Setting the DIP Switches ............................................ Page Length ............................................................. Skip Over Perforation ............................................... Using the Paper Memory Feature ................................. Adjusting the Top of Form Position ............................. Adjusting the Printing Position .................................... Using Short Tear-Off ................................................. Selecting Typestyles ................................................... s Contents v Selecting an International Character Set ........................ 3-47 Choosing a Character Table ........................................ 3-49 Data Dump Mode ..................................................... 3-51 Chapter 4 Software and Graphics 4-1 Enhancing Your Printing ............................................ 4-2 Graphics ................................................................. 4-10 User-defined Characters .............................................. 4-22 Chapter 5 Using the Printer Options 5-1 Pull Tractor ............................................................. 5-2 Paper Cutter ............................................................ 5-19 Interface Boards ........................................................ 5-32 Chapter 6 Maintenance 6-1 Cleaning the Printer .................................................. 6-2 Replacing the Ribbon ................................................. 6-4 Transporting the Printer ............................................. 6-9 Chapter 7 Troubleshooting Problems and Solutions .............................................. Power Supply .......................................................... Printing ................................................................... Paper Handling ........................................................ Options ................................................................... Chapter 8 Technical Specifications 7-1 7-2 7-3 7-4 7-13 7-18 8-1 Printer Specifications ................................................. 8-2 Interface Specifications ............................................... 8-11 Initialization ............................................................. 8-17 vi Contents Chapter 9 Command Summary Using the Command Summary .................................... Commands in Numerical Order ................................... Epson ESC/P Commands Arranged by Topic ................. IBM Emulation Mode Commands Arranged by Topic.. .... Appendix 9-l 9-2 9-5 9-9 9-41 A-l Proportional Width Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-2 . Character Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-6 Glossary GL-1 IN-1 Index Contents vii About This Manual This user's manual provides fully-illustrated, step-by-step instructions for setting up and operating the Epson DFX-8000 printer. It also includes information that you will need for your daily use of the printer. Chapter 1 shows you how to unpack, set up, test, and connect the printer. Be sure to read and follow the instructions in this chapter first. Inside the back cover of this manual are illustrations that identify the parts of the printer. You may want to unfold the cover and refer to these illustrations as you set up and operate the printer. Chapters 2 and 3 describe loading paper and using the printer. This information is necessary for -the day-to-day operation of your printer. Chapter 4 provides, information on enhancing your printing, using software commands and graphics, and creating your own user-defined characters. Chapter 9 contains a summary of printer commands. Chapter 7 contains troubleshooting information. If the printer does not operate properly or the printed results are not what you expect, see Chapter 7 for a list of possible problems and recommended solutions . Other chapters contain information on printer options, general maintenance, and specifications. You will also find an appendix with reference tables, a glossary of printer terms, and an index. At the back of this manual is a handy Quick Reference card that lists DIP switch settings and printer commands. About This Manual 1 About This Manual Conventions used in this manual 61 WARNINGS must be followed carefully to avoid damage to your printer and computer. CAUTIONS must be followed to ensure that your printer operates correctly. Notes containimportant information and useful tips on the operation of your printer. Where to Get Help Customer support and service for Epson products are provided by a network of authorized Epson dealers and Customer Care Centers throughout the United States. Epson America provides product information and support to its dealem and Customer Care Centers. Therefore, we a& that you contact the business where you purchased your Epson product to request assistance. If the people there do not have the answer to your question, they can obtain it through our dealer support program. Epson is confident that this policy will provide you with the assistance you need. Call the Epson Consumer Information Center at 1-800-922-8911 for the following: l l l The location of the nearest Epson dealer The location of the nearest Customer Care Center Information on Epson User Groups. 2 About This Manual Introduction The Epson DFX-8000 printer is an advanced dot matrix printer designed for business applications. The printer combines high performance and reliability with a wide range of-f-es, including high speed printing and automatic paper handling. Features In addition to the high-quality printing and ease of operation you expect from Epson printers, the DFX-8000 offers the following: Extra-fast printing speeds of up to 1066characters per second at 10 cpi (characters per inch) or 960 characters per second at I.2 cpi, Two built-in push tractors (front and rear) for convenient paper handling. This dual system lets you switch between types of continuous paper quickly and.easily. The printer remembers separate top of form positions for each tractor, An automatic paper back-out feature that allows you to switch between paper loaded on the front or rear tractor without removing either paper supply. A short tear-off feature that saves paper. When a sheet of continuous paper is torn off at the end of a printout, the printer reverse-feeds the remaining paper so that printing can begin at the top of the next sheet. A paper memory feature that produces high quality printing on your multi-part forms by using stored paper format and thickness information to adjust the print head. A width detection feature that automatically adjusts the printing to match the width of the paper loaded in the printer. This prevents the printer from printing directly on the platen, which damages the print head. Introduction 3 Introduction l A micro-adjustment feature that allows you to feed the paper forward or backward to finely adjust the top of form, loading, and short tear-off positions. l An improved control panel design that lets you select almost any feature with a single button. Compatibility with the Epson ESC/P@ commands used by FX-850/1050 and DFX-5000 ,printers. An IBM@ emulation mode that provides compatibility with application programs written specifically for IBM printers. l l Options The following options are available for use with your DFX-8000 printer. For detailed information on installing and using these options, see Chapter 5. l Pull Tractor 4~8309) This option improves the handling of heavy multi-part forms and labels. It also enhances printing alignment on preprinted forms. 4 Introduction Introduction l Paper Cutter (C815001) This option allows you to handle continuous paper more easily by cutting off printed documents for you. l Interface Boards You can use several optional interface boards to supplement the printer's built-in parallel and serial interfaces. Chapter 5 provides guidelines for choosing the right interface and instructions for installing an interface board. Introduction 5 Introduction Coax and Twinax interface boards Two interface boards (Coax and Twinax) let. you use the DFX-8000 as a local printer fez an IBM mainframe or minicomputer. These boards connect directly to the printer and allow it to function as a local IBM printer without the addition of any other circuitry or components. 6 Inkduction Chapter 1 Setting Up the Printer Unpacking the Printer ................................................ 1-2 Checking the parts ................................................. 1-3 Removing the protective materials ............................. 1-4 Choosing a Place for the Printer .................................. 1-7 Assembling the Printer ............................................... l - 9 Installing the ribbon cartridge ................................... l - 9 Testing the Printer .................................................... Plugging in the printer ............................................ Running the self test ............................................... Solving any self test problems .................................. 1-13 1-13 1-15 1-24 Connecting the Printer to Your Computer ..................... l-26 The parallel interface .............................................. 1-27 The serial interface ................................................. 1-31 Setting Up Your Application Software . . . . . . . . . . . . . . . . . . . . . . . . . . l-36 Setting Up the Printer l-l Unpacking the Printer Because the printer weighs approximately 64 lbs. (29 kg), you should not lift or carry it alone. Two people should carry it by the bottom, as shown here: 1-2 Setting Up the Printer Unpacking the Printer Checking the parts When you unpack the printer, make sure that you have all the parts shown below and that none have been damaged during transportation. power cable optional connector lock nuts ribbon cartridge cross-head screwdriver In some locations, the power cable may be attached to the printer. Setting Up the Printer 1-3 Unpacking the Printer WARNING: There are several different versions of the printer designed for different electrical standards. The power supply voltage is shown on the label on the back of the printer. If the voltage shown is not correct for your country, contact your dealer. It is not possible to adjust the printer for use with different voltages. After you unpack the printer, save the packaging materials in case you ever need to transport your printer. Removing the protective materials The printer is protected during shipping by two brackets, a carriage guide support bar, and a plastic print head protector. Your printer may also be protected by several pieces of foam packaging. These protective items must be removed before you turn on the printer. After removing the protective materials as described below, store them with the other packaging material. 1. Open the top cover by lifting its front edge up and away from you. Remove any packing materials in the printer. 1-4 Setting Up the Printer Unpacking the Printer 2. Use the enclosed cross-head screwdriver to remove the five screws and the two transport locking brackets from the inside of the printer. 3. Remove the print head protector, as shown below. Then lift up it. the paper bail and remove the piece of foam packing underneath Setting Up the Printer 1-5 Unpacking the Printer 4. Using the enclosed cross-head screwdriver, remove the carriage guide support bar. WARNING: Be sure to remove all protective materials before you turn on the printer. 1-6 Setting Up the Printer Choosing a Place for the Printer When you select a location for your printer, keep the following in mind: l l Place the printer on a flat, stable surface. Place the printer close enough to the computer for the printer cable to reach. Leave plenty of room around the printer for your front and rear stacks of continuous paper as well as your printed output. Use a grounded outlet; do not use an adapter plug. WARNING: Avoid locations that are subject to direct l l sunlight, excessive heat, moisture, or dust. Avoid using electrical outlets that are controlled by wall switches or automatic timers. Accidental interruption of power can wipe out information in your computer's and your printer's memory. Avoid using outlets on the same circuit with large motors or electrical appliances that might cause fluctuations in line voltage. Keep the entire computer system away from potential sources of electromagnetic interference; such as loudspeakers or the base units of cordless telephones. Setting Up the Printer 1-7 Choosing a Place for the Printer The illustration below shows a good printer location. Notes: If you plan to use a printer stand, follow these guidelines to select and set up the stand: The stand should be able to support at least 128 lbs. (58 kg), which is twice the weight of the DFX-8000 printer. Never use a stand that supports the printer at an angle. The printer should always be kept level. If you keep your paper supply underneath the printer stand, be sure there is enough clearance to prevent the paper from catching on the underside of the stand. Also, check to see that the distance between the stand supports is wide enough to accommodate the paper you will be using. Position your printer's power cable and interface cable so that they do not interfere with paper feeding. If possible, fasten the cables to the printer stand to keep them away from the paper. 1-8 Setting Up the Printer Assembling the Printer After you've decided on the best place to set up your printer, you need to install the ribbon cartridge. Installing the ribbon cartridge Before installing the ribbon cartridge, make sure that the printer is not plugged into an electrical outlet. Remove the ribbon cartridge from its box and plastic wrapper and `then follow these steps to install the ribbon cartridge: 1. Open the top cover by lifting its front edge up and away from you. Setting Up the Printer 1-9 Assembling the Printer 2. Slide the print head to the exposed part of the paper bail as . shown below. 3. Remove the separator from the middle of the ribbon cartridge . and discard it. Then detach the ribbon guide from the ribbon cartridge (but not fromthe ribbon) and turn the ribbontightening knob in the direction of the arrow to take up any slack in the ribbon. 1-10 setting Up the Printer Assembling the Printer 4. Hold the ribbon cartridge with both hands and lower it into the printer. Pulling the cartridge toward you, slide the hooks in the sides of the cartridge over the two corresponding pins in the printer. Then push the cartridge down into position until the other two hooks snap into place over the mounting pins in the Note: Press lightly on both sides of the cartridge to make sure the hooks are properly connected. 5. Insert the ribbon guide over the metal pins on each side of the . print head. The smaller end of the guide should be on top, with its angled edge toward the platen. Turn the ribbon-tightening knob again to remove any slack in the ribbon. Setting Up the Printer 1-11 Assembling the Printer 6. Slide the print head from side to side to make sure that it moves smoothly and that the ribbon is not twisted or creased. 7. Close the top cover. 1-12 Setting Up the Printer Testing the Printer Now that your printer is fully assembled, you can use its built-in self test function to be sure the printer is working correctly before you connect it to a computer. You should perform this test to make sure that your printer was not damaged during shipping and that the ribbon is correctly installed. Before performing the self test, you need to plug in your printer and load paper. Plugging in the printer 1. Make sure that the printer is turned off. 2. Check the label on the printer's back panel to make sure the voltage required by the printer matches that of your electrical outlet. Setting Up the Printer 1-13 Testing the Printer WARNING: If the rated voltage and your outlet voltage r!!!b do not match, contact your Epson dealer. Do not plug in the power cable. 3. If necessary, connect the power cable to the AC inlet on the printer's rear panel. 4. Plug the power cable into a properly grounded electrical outlet. !!9 1-14 WARNING: Whenever you turn off the power, wait at least five seconds before turning it back on. Rapidly switching the power on and off can damage the printer. Setting Up the Printer Testing the Printer Running the self test The self test can be run in draft or Near Letter Quality (NLQ) mode, depending on which button you hold down as you turn on the printer. 1. Be sure the printer is turned off. 2. . Open the front cover by lifting its bottom edge up and toward you. Setting Up the Printer 1-15 Testing the Printer left 3. Release the sprocket lock levers on both the right and sprocket units by pulling each lever down. 4. Slide the left sprocket unit all the way to the left. Lock it in . place by pushing the sprocket lock lever up. 1-16 Setting Up the Printer Testing the Printer 5. Now slide the right sprocket unit to approximately match the width of your paper. (Do not lock it in place yet.) 6. Slide the two paper supports so that they are spaced evenly . between the two sprocket units. Setting Up the Printer 1-17 Testing the Printer 7. Open both sprocket covers. 8. Be sure your paper has a clean, straight edge, and then fit the . first four holes in the paper over the pins of both sprocket units. Then close the sprocket covers. (The side of the paper that you want to print on should be facing you.) 1-18 Setting Up the Printer Testing the Printer 9. Slide the right sprocket unit so that the paper is straight and has . no wrinkles. Lock the sprocket unit in place by pushing the sprocket lock lever up. CAUTION: Be sure the sprocket units are not too far apart. l a- If they pull your paper too tightly or if they tear the ed&s o f the paper holes, a paper jam may result. To remove any excess tension in your paper, release the right sprocket once and lock it again. 10. Close the front cover. Setting Up the Printer 1-19 Testing the Printer WARNING: Before turning on the printer, be absolutely sure you have removed all protective materials. Turning on the printer while the print head cannot move may seriously damage the mechanism. 11. While holding d o w n the L I N E FEED button (for draft mode) or the FORM FEED button (for NLQ mode), turn on the printer. The POWERa dPAPER OUT lights come on. Also, either the front or n rear tractor arrow o n the PAPER SELECT indicate lights up. Notes: l When NLQ mode is selected using DIP switch l-5, the self test runs in the NLQ mode even if you press the LINE FEED button. l If you open the top cover while the DFX is printing, the printer beeps four times, goes off line, and stops printing. To resume printing, close the top cover and press the ON LINE button. 1-20 setting up the Printer Testing the Printer 12. Press the LINE FEED/LOAD button to load your paper. (If the paper does not load, the front tractor may not be selected. Press the FRONT/REAR button to select the front tractor. This loads the paper automatically.) 13. Press the ON LINE button to start the self test. (The ON LINE light does not go on.) A list of your printer's DIP switch settings is printed first, followed by a series of characters. The self test continues until the paper runs out or you press the ON LINE button. 14. If the test results are satisfactory and you wish to stop the test, press the ON LINE button. If the test results are not satisfactory, see page l-24 for possible causes and solutions. Note: To resume the test, press the ON LINE button again. Setting Up the Printer 1-21 Testing the Printer 15. Press the FORM FEED button to advance the paper. Then open the paper separator cover (the back flap of the top cover) and tear off the paper at the perforation. 16. Turn off the printer. e WARNING: Whenever you turn off the power, wait at least five seconds before turning it back on. Rapidly switching the Power on and off. can damage the printer. 1-22 Setting Up the Printer Testing the Printer Here are parts of typical self test printouts: High-speed draft mode Uw~~~ar::tc~r p:i. tc:h S h a p e a9 z e I"0 t a b l e (#OH-OFFH) l4wvnal Nat. slashed T. tnli.c ESC/F mode cs W1. ZW1. GWL- Normal draft mode Character pitch Normal Shal:)e of zern Not slashed CG table (SOH-OFFH) Italic ESC/F m o d e SWl* SWl* SWl* SWl* rox+,- ./0123456789: ; &~?IABCDEFGHIJKLMNOP[ `O#+,-. /0123456789r;<=>?CBCDEFGHIJKLMNOPOf ( If+,-./0123456789: ;~<=>?@ABCWEFGtiIJKLMNOFQR~ Note: Your printer's default setting is high-speed draft mode. If you want to run the self test in normal draft mode, you need to select normal draft mode using DIP Switch2-2. See the section on setting DIP switches in Chapter 3 for instructions. Setting Up the Printer 1-23 Testing the Printer NLQ mode character D i t c h Normal Not slashed Solving any self test problems If the self test does not print properly, check the list of possible problems and solutions below. Also be sure there are no packing materials remaining inside the printer. The paper is jammed. Turn off the printer, remove the jammed paper, and then load fresh paper. See page l-15. The printer does not print. The printer sounds like it is printing, but nothing is printed. The ribbon cartridge may not be installed properly. Turn off the printer and remove the ribbon cartridge. Then reinstall it and take up any slack in the ribbon. See page 1-9 The ribbon may be worn out. Replace the ribbon cartridge. See page 6-4. The test did not print when you pressed the ON LINE button. Turn off the printer and follow the steps under Running the Self Test again. Be sure to hold down the FORM FEED or LINE FEED button longer while you turn on the printer. See page 1-20 1-24 Setting Up the Printer Testing the Printer Problem The printout is faint or uneven. Solution The printout is faint. The ribbon may be worn out. A worn ribbon can damage the print head and should be replaced. Install a new ribbon cartridge as soon as possible. See page 6-4. There is either too much slack in the ribbon or the ribbon is caught on something. Stop printing, turn off the printer, and reinstall the ribbon cartridge. See page 1-9. The ribbon cartridge may not be installed properly. Turn off the printer, remove the ribbon cartridge, and then reinstall it. Make sure the cartridge hooks are inserted securely into the printer. See page 1-11. The print head is damaged. Stop printing and contact your Epson dealer to have the print head replaced. Parts of printed characters are missing, as shown here: ABCD The bottom parts of printed characters are missing as shown here: ABCD A blank line runs through your characters, as shown here: If the printer still does not print the self test correctly, contact your Epson dealer. Setting Up the Printer 1-25 Connecting the Printer to Your Computer If the self test printed correctly, you are now ready to connect your printer to the computer. Your DFX printer has two separate interface connections: a parallel interface and an RS-232C compatible serial interface. If you are not sure which one is required by your computer, check your computer manual. parallel interface serial interface If you have a suitable shielded cable, you should be able to connect the printer to most computers immediately. If your computer requires another type of interface, you need to use an optional interface board. See the section on interface boards in Chapter 5. The parallel interface is the printer's default setting. If you need to use the built-in serial interface, be sure to change the DIP switch settings as shown in Chapter 3. 1-26 Setting Up the Printer Connecting the Printer to Your Computer The parallel interface Follow these steps to connect the parallel interface cable to the printer: 1. Turn off both the printer and computer. 2. Open the rear cover by grasping it by the handholds on each side and pulling it out and down. Setting Up the Printer 1-27 Connecting the Printer to Your Computer 3. Plug the cable connector securely into the parallel interface (the socket on the left). WARNING: Do not plug more than one interface cable into the printer at one time. This may damage the printer. 4. Squeeze the wire clips together until they lock in place on either side of the connector. 1-28 Setting Up the Printer Connecting the Printer to Your Computer 5. If your cable has a ground wire, connect it to the Pnter s ground connector. 6. Open the plastic clamp to the right of the parallel and serial interfaces by pressing down on its top tab. Insert the cable in the plastic clamp and close the clamp. Setting Up the Printer 1-29 Connecting the Printer to Your Computer 7. Close the rear cover. CAUTION: Always close the rear cover before using the printer. 8. Plug the other end of the cable into the computer. (If there is a ground wire at the computer end of the cable, attach it to the ground connector at the back of the computer.) 1-30 Setting Up the Printer Connecting the Printer to Your Computer The serial interface Follow these steps to connect the serial interface cable to the printer: 1. Turn off both the printer and computer. 2. Open the rear cover by grasping it by the handholds on each . side and pulling it out and down. Setting Up the Printer 1-31 Connecting the Printer to Your Computer 3. Plug the cable connector securely into the serial interface (the . socket on the right). WARNING: Do not plug more than one interface cable into the printer at one time. This may damage the printer. 4. If your cable connector has screws that you need to tighten using a screwdriver, open the top cover of the printer. 1-32 Setting Up the Printer Connecting the Printer to Your Computer 5. Insert a screwdriver through the hole in the rear paper guide and fasten the screws of the cable connector. Note: If the screws that come with the cable do not fit into the connector lock nuts on the interface, replace the lock nuts with the optional lock nuts provided with the printer. 6. Close the top cover. Setting Up the Printer 1-33 Connecting the Printer to Your Computer 7. If your cable has a ground wire, connect it to the printer's ground connector. 8. Open the plastic clamp to the right of the parallel and serial interfaces by pressing down on its top tab. Insert the cable in the plastic clamp and close the clamp. l-34 Setting Up the Printer Connecting the Printer to Your Computer 9. Close the rear cover. CAUTION: Always close the rear cover before using the printer. 10. Plug the other end of the cable into the computer. (If there is a ground wire at the computer end of the cable, attach it to the ground connector at the back of the computer.) Setting Up the Printer 1-35