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... Holder 4-16 Interface Cards 4-22 Front Sheet Guide 4-25 Chapter 5 Maintenance and Transportation 5-1 Cleaning the Printer 5-2 Replacing the Ribbon Cartridge 5 - 4 Transporting the Printer 5-4 Chapter 6 Troubleshooting 6-1 Problems and Solutions 6-2 Power Supply 6-3 Printing 6-4 Paper Handling 6-8 Options 6-11 Chapter 7 Technical Specifications 7-1 Printer Specifications 7-2 Interface Specifications 7-11 Option Specifications 7-15 Initialization 7-18 Chapter 8 Command Summary 8-1 Using the Command...
... Holder 4-16 Interface Cards 4-22 Front Sheet Guide 4-25 Chapter 5 Maintenance and Transportation 5-1 Cleaning the Printer 5-2 Replacing the Ribbon Cartridge 5 - 4 Transporting the Printer 5-4 Chapter 6 Troubleshooting 6-1 Problems and Solutions 6-2 Power Supply 6-3 Printing 6-4 Paper Handling 6-8 Options 6-11 Chapter 7 Technical Specifications 7-1 Printer Specifications 7-2 Interface Specifications 7-11 Option Specifications 7-15 Initialization 7-18 Chapter 8 Command Summary 8-1 Using the Command...
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...installing options, general maintenance, specifications, and printer commands. Be sure to your printer. Other chapters contain information on the operation of your printer. Chapter 1 contains information on paper handling and day-to-day operation of your printer. Chapter 6 contains troubleshooting information. Warnings, Cautions, and Notes ... manual provides fully illustrated, step-by-step instructions for a list of problems and solutions. If the printer does not operate properly or the printed results are not what you expect, see Chapter 6 for setting up , testing...
...installing options, general maintenance, specifications, and printer commands. Be sure to your printer. Other chapters contain information on the operation of your printer. Chapter 1 contains information on paper handling and day-to-day operation of your printer. Chapter 6 contains troubleshooting information. Warnings, Cautions, and Notes ... manual provides fully illustrated, step-by-step instructions for a list of problems and solutions. If the printer does not operate properly or the printed results are not what you expect, see Chapter 6 for setting up , testing...
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Chapter 6 Troubleshooting Problems and Solutions 6-2 Power Supply 6-3 Printing 6-4 Paper Handling 6-8 Options 6-11 Troubleshooting 6-1
Chapter 6 Troubleshooting Problems and Solutions 6-2 Power Supply 6-3 Printing 6-4 Paper Handling 6-8 Options 6-11 Troubleshooting 6-1
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l Dots are not what you expect. See 6-11 l When you expect. See 6-3 Printing l The printer does not print. l Continuous paper does not feed properly. See 6-12 6-2 Troubleshooting l The print is not being supplied. Problems and Solutions This chapter presents solutions to possible printer problems. Locate ... cut-sheet feeder, the paper does not feed properly. See 6-8 See 6-9 Options l When you use an optional interface, the printer does not operate properly. See 6-12 l When you use two tractor units in combination, continuous paper does not feed properly. l...
l Dots are not what you expect. See 6-11 l When you expect. See 6-3 Printing l The printer does not print. l Continuous paper does not feed properly. See 6-12 6-2 Troubleshooting l The print is not being supplied. Problems and Solutions This chapter presents solutions to possible printer problems. Locate ... cut-sheet feeder, the paper does not feed properly. See 6-8 See 6-9 Options l When you use an optional interface, the printer does not operate properly. See 6-12 l When you use two tractor units in combination, continuous paper does not feed properly. l...
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If the voltages do not match, unplug the printer and contact your electrical outlet. Troubleshooting 6-3 Plug another electrical device into the outlet to an electrical outlet. The light stays off . Check that the power cord is operating properly. Do .... Check that the printer's voltage rating matches the voltage of your dealer immediately. Power Supply Power is controlled by a switch or automatic timer, use a different outlet. l The READY light comes on briefly and then goes off even when the power is switched on . If problems persist, contact your Epson dealer, or a...
If the voltages do not match, unplug the printer and contact your electrical outlet. Troubleshooting 6-3 Plug another electrical device into the outlet to an electrical outlet. The light stays off . Check that the power cord is operating properly. Do .... Check that the printer's voltage rating matches the voltage of your dealer immediately. Power Supply Power is controlled by a switch or automatic timer, use a different outlet. l The READY light comes on briefly and then goes off even when the power is switched on . If problems persist, contact your Epson dealer, or a...
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...your application software is in the cable or the interface of the computer or printer. The ribbon may not be sure your dealer or a qualified service person. 6-4 Troubleshooting See Chapter 2. l The printer makes a strange noise, beeps several times, and stops abruptly. l The READY... light is a shielded twisted-pair parallel cable. Check both the printer and computer specifications. The ribbon cartridge may be ...
...your application software is in the cable or the interface of the computer or printer. The ribbon may not be sure your dealer or a qualified service person. 6-4 Troubleshooting See Chapter 2. l The printer makes a strange noise, beeps several times, and stops abruptly. l The READY... light is a shielded twisted-pair parallel cable. Check both the printer and computer specifications. The ribbon cartridge may be ...
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... printed characters are missing in the printout. The print is faint. Stop printing and contact your printer. Dots are not what you are using. l The typestyle or characters selected with your software cannot be installed properly. Troubleshooting 6-5 The printout is faint or uneven. The print head is overheated. Wait a few minutes; Reinstall the...
... printed characters are missing in the printout. The print is faint. Stop printing and contact your printer. Dots are not what you are using. l The typestyle or characters selected with your software cannot be installed properly. Troubleshooting 6-5 The printout is faint or uneven. The print head is overheated. Wait a few minutes; Reinstall the...
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...default-setting mode. l The wrong characters are being sent. Check the page length set by your application software and adjust it if necessary. 6-6 Troubleshooting See page 3-5. l All text is printed on in your application program. Adjust the top margin set by the control panel does not print. .... Your software may be overriding your continuous paper. Check the font setting in the default-setting mode so that the printer automatically adds a line-feed code to adjust the print position. Printing l The font selected by your application software.
...default-setting mode. l The wrong characters are being sent. Check the page length set by your application software and adjust it if necessary. 6-6 Troubleshooting See page 3-5. l All text is printed on in your application program. Adjust the top margin set by the control panel does not print. .... Your software may be overriding your continuous paper. Check the font setting in the default-setting mode so that the printer automatically adds a line-feed code to adjust the print position. Printing l The font selected by your application software.
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... length. Make sure the default page length setting matches your application software to reduce or eliminate the top margin and to choose the correct printer from your dealer or a qualified service person. If your application software. Use your required paper length. If possible, specify single-sheet paper...program is printed at the top of the skip. Troubleshooting 6-7 Turn this function off in the center of the next page. If the self test works properly, the printer is set the skip-over -perforation may be on. If the printer still does not print correctly, try the self test...
... length. Make sure the default page length setting matches your application software to reduce or eliminate the top margin and to choose the correct printer from your dealer or a qualified service person. If your application software. Use your required paper length. If possible, specify single-sheet paper...program is printed at the top of the skip. Troubleshooting 6-7 Turn this function off in the center of the next page. If the self test works properly, the printer is set the skip-over -perforation may be on. If the printer still does not print correctly, try the self test...
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... the top margin and reduce the page length. Align the left edge guide with your application software. Use your application software to choose the correct printer from your software. 6-8 Troubleshooting Reduce the lines-per-page setting in your application program's menu.
... the top margin and reduce the page length. Align the left edge guide with your application software. Use your application software to choose the correct printer from your software. 6-8 Troubleshooting Reduce the lines-per-page setting in your application program's menu.
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...or some other object. See page 7-3. Continuous paper does not feed properly. Make sure that is crooked or the paper jams. Turn off the printer and put the paper-release lever in the pulltractor position. Hold down the PAPER FEED button to the correct position. l When you send data,... does not turn and the push tractor does not feed the paper. The position of the printer. l Make sure the paper is blinking, press the PAUSE button. l The paper does not fully eject. Troubleshooting 6-9 If the READY light is aligned with the edge guides. Paper Handling l The paper ...
...or some other object. See page 7-3. Continuous paper does not feed properly. Make sure that is crooked or the paper jams. Turn off the printer and put the paper-release lever in the pulltractor position. Hold down the PAPER FEED button to the correct position. l When you send data,... does not turn and the push tractor does not feed the paper. The position of the printer. l Make sure the paper is blinking, press the PAUSE button. l The paper does not fully eject. Troubleshooting 6-9 If the READY light is aligned with the edge guides. Paper Handling l The paper ...
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Also, make sure the sprocket units are locked and their covers are aligned with each other. Check that the paper thickness is set correctly for the paper you are using. l The paper does not eject properly. See that is too long. See page 2-23. See page 7-3. Check that the paper-thickness lever is within the specified range. 6-10 Troubleshooting Tear off the paper and remove it from the printer. Use only paper that the holes on the sides of the paper are closed. The page is within the specified range.
Also, make sure the sprocket units are locked and their covers are aligned with each other. Check that the paper thickness is set correctly for the paper you are using. l The paper does not eject properly. See that is too long. See page 2-23. See page 7-3. Check that the paper-thickness lever is within the specified range. 6-10 Troubleshooting Tear off the paper and remove it from the printer. Use only paper that the holes on the sides of the paper are closed. The page is within the specified range.
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.... Use only new, clean sheets of the sheets. If you have forgotten to the singlesheet position. Make sure your paper is correctly installed on the printer. l Two or more paper. l The paper feed is pushed back to fan the stack of paper before loading it . Options When you send data, the... paper and fan it into the bin. If there is only one sheet left in the cut -sheet feeder, the paper does not feed properly. Troubleshooting 6-11
.... Use only new, clean sheets of the sheets. If you have forgotten to the singlesheet position. Make sure your paper is correctly installed on the printer. l Two or more paper. l The paper feed is pushed back to fan the stack of paper before loading it . Options When you send data, the... paper and fan it into the bin. If there is only one sheet left in the cut -sheet feeder, the paper does not feed properly. Troubleshooting 6-11
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... crooked or paper jams. Make sure that the sprocket units on the computer and printer match. 6-12 Troubleshooting l The paper feed is not what you use an optional interface, the printer does not operate properly. The computer and printer interface settings may be trying to make sure you use two tractor units in combination... you expect. Options When you can use the interface with the wrong specifications. Check the specifications to use an interface or interface cable with this printer.
... crooked or paper jams. Make sure that the sprocket units on the computer and printer match. 6-12 Troubleshooting l The paper feed is not what you use an optional interface, the printer does not operate properly. The computer and printer interface settings may be trying to make sure you use two tractor units in combination... you expect. Options When you can use the interface with the wrong specifications. Check the specifications to use an interface or interface cable with this printer.
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... cause of standard characters. data dump A troubleshooting feature that has sprocket-feed holes on , reset, or initialized. GL-2 Glossary control code Special codes used to control printer functions (such as a carriage return or line feed) instead of individual dots. default A value or setting that takes... per inch. dot matrix A method of printing in which the width of each character is approximately 60% of the width of communication problems between pages, and is supplied in a folded stack. Useful for fitting wide tables or spreadsheets onto a page. When the printer is turned on...
... cause of standard characters. data dump A troubleshooting feature that has sprocket-feed holes on , reset, or initialized. GL-2 Glossary control code Special codes used to control printer functions (such as a carriage return or line feed) instead of individual dots. default A value or setting that takes... per inch. dot matrix A method of printing in which the width of each character is approximately 60% of the width of communication problems between pages, and is supplied in a folded stack. Useful for fitting wide tables or spreadsheets onto a page. When the printer is turned on...
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..., 1-14 PAUSE button, control panel, 3-3 Power cord, 1-10 Printable area, 7-6-7 Print direction, 7-2 Print test, running, 1-10-13 Problems, see Troubleshooting Protective materials removing, 1-3 Pull tractor, loading paper, 2-16-18 optional, 4-13-15 position, 2-8-9 Push tractor, loading position front, 2-10-12 rear,... Technical specifications, 7-1-18 Tractor unit, loading paper, 2-10-24 optional, 4-13--15 position, 2-7-10 Transporting the printer, 5-4 Troubleshooting, 6-1-12 directory of problems, 6-2 options, 6-11-12 paper handling, 6-8-10 power supply, 6-3 printing problems, 6-4--7 Index IN-3
..., 1-14 PAUSE button, control panel, 3-3 Power cord, 1-10 Printable area, 7-6-7 Print direction, 7-2 Print test, running, 1-10-13 Problems, see Troubleshooting Protective materials removing, 1-3 Pull tractor, loading paper, 2-16-18 optional, 4-13-15 position, 2-8-9 Push tractor, loading position front, 2-10-12 rear,... Technical specifications, 7-1-18 Tractor unit, loading paper, 2-10-24 optional, 4-13--15 position, 2-7-10 Transporting the printer, 5-4 Troubleshooting, 6-1-12 directory of problems, 6-2 options, 6-11-12 paper handling, 6-8-10 power supply, 6-3 printing problems, 6-4--7 Index IN-3
Service Manual
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...troubleshooting. iv - The chapters are organized as follows: Chapter 1 - Describes the theory of the printer. Describes preventive maintenance techniques. The instructions and procedures included herein are intended for adjustment. Provides a general product overview, lists specifications, and illustrates the main components of printer... operation. Includes a step-by -step guide for the experienced repair technician, and attention should be given to change without notice. - Chapter 2 - Chapter 6 - q The contents of the FX-870/l 170. Provides Epson-approved ...
...troubleshooting. iv - The chapters are organized as follows: Chapter 1 - Describes the theory of the printer. Describes preventive maintenance techniques. The instructions and procedures included herein are intended for adjustment. Provides a general product overview, lists specifications, and illustrates the main components of printer... operation. Includes a step-by -step guide for the experienced repair technician, and attention should be given to change without notice. - Chapter 2 - Chapter 6 - q The contents of the FX-870/l 170. Provides Epson-approved ...
Service Manual
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vi - CHAPTER 5. CHAPTER 3. CHAPTER 4. CHAPTER 6, APPENDIX GENERAL DESCRIPTION OPERATING PRINCIPLES DISASSEMBLY AND ASSEMBLY ADJUSTMENTS TROUBLESHOOTING MAINTENANCE REV.-A - CHAPTER 2. TABLE OF CONTENTS CHAPTER 1.
vi - CHAPTER 5. CHAPTER 3. CHAPTER 4. CHAPTER 6, APPENDIX GENERAL DESCRIPTION OPERATING PRINCIPLES DISASSEMBLY AND ASSEMBLY ADJUSTMENTS TROUBLESHOOTING MAINTENANCE REV.-A - CHAPTER 2. TABLE OF CONTENTS CHAPTER 1.
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RepairingtheBOARD ASSEMBLY, C076PSBIPSE 5-11 Table 5-5. Repairing the Printer Mechanism 5. -18 S.i The Troubleshooting Procedure 5. -1 Figure 5-2. Motor and Printhead Coil Resistance 5-1 Table 5-2. RepairingtheBOARD ASSEMBLY,C094MAIN 5-14 Table 5-6. CHAPTER 5 TROUBLESHOOTING REV.-A 5.1 Overview ...5-1 5.2 Repair byUnitReplacement 5. -4 5.3 Repairingthe Board Assembly, C076PSB/PSE 5-11 5.4 Repairingthe BoardAssembly, C094MAIN 5. -14 5.5 Repairing the Printer Mechanism 5. -18 LIST OF FIGURES Figure 5-1. Printhead Resistance 5.2 LIST OF TABLES...
RepairingtheBOARD ASSEMBLY, C076PSBIPSE 5-11 Table 5-5. Repairing the Printer Mechanism 5. -18 S.i The Troubleshooting Procedure 5. -1 Figure 5-2. Motor and Printhead Coil Resistance 5-1 Table 5-2. RepairingtheBOARD ASSEMBLY,C094MAIN 5-14 Table 5-6. CHAPTER 5 TROUBLESHOOTING REV.-A 5.1 Overview ...5-1 5.2 Repair byUnitReplacement 5. -4 5.3 Repairingthe Board Assembly, C076PSB/PSE 5-11 5.4 Repairingthe BoardAssembly, C094MAIN 5. -14 5.5 Repairing the Printer Mechanism 5. -18 LIST OF FIGURES Figure 5-1. Printhead Resistance 5.2 LIST OF TABLES...
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...phase A, ~, B, ~ 16.5 ohms +/- 1.6 ohms at 25 degrees C (77degrees F) (Refer to facilitate troubleshooting. This section provides simple and effective ways to Figure 5-2. The following tables provide troubleshooting information. TSTART r 1 I 5.3 I 5-1o I 5.4 15-10 I Motor Assembly, PF Printhead Table ...5-1. Motor and Printhead Coil Resistance Coil Resistance 5.0 ohms +/- 77. of the troubleshooting process. 5.1 Overview REV.-A The FX-870/l...
...phase A, ~, B, ~ 16.5 ohms +/- 1.6 ohms at 25 degrees C (77degrees F) (Refer to facilitate troubleshooting. This section provides simple and effective ways to Figure 5-2. The following tables provide troubleshooting information. TSTART r 1 I 5.3 I 5-1o I 5.4 15-10 I Motor Assembly, PF Printhead Table ...5-1. Motor and Printhead Coil Resistance Coil Resistance 5.0 ohms +/- 77. of the troubleshooting process. 5.1 Overview REV.-A The FX-870/l...