User Manual
Page 10
...and refer to the illustrations when you are illustrations of the printer with all of the manual you how to unpack, set up and operating the DFX-5000 printer. The appendixes include reference tables and technical specifications. This ...information is necessary for the day-to read and follow the instructions in this manual are setting up and operating the printer. Be sure to -day operation of possible problems and recommended solutions. Chapter 7 contains troubleshooting...
...and refer to the illustrations when you are illustrations of the printer with all of the manual you how to unpack, set up and operating the DFX-5000 printer. The appendixes include reference tables and technical specifications. This ...information is necessary for the day-to read and follow the instructions in this manual are setting up and operating the printer. Be sure to -day operation of possible problems and recommended solutions. Chapter 7 contains troubleshooting...
User Manual
Page 95
... of 10 characters per inch (cpi), the DFX-5000 can print up to be visible on the screen, while others display the text as word processors, they do have a printer setup routine, read the program's manual carefully for troubleshooting information. In its normal printing pitch of printer features by placing markers around the text to...
... of 10 characters per inch (cpi), the DFX-5000 can print up to be visible on the screen, while others display the text as word processors, they do have a printer setup routine, read the program's manual carefully for troubleshooting information. In its normal printing pitch of printer features by placing markers around the text to...
Service Manual
Page 4
.... CHAPTER 4. GENERAL DESCRIPTION Provides a general product overview, lists specifications, and illustrates the main components of printer operation. CHAPTER 3. CHAPTER 5. MAINTENANCE AND LUBRICATION Describes preventive maintenance techniques and lists Lubricants and adhesives required ...contents of DFX-5000+. OPERATING PRINCIPLES Describes the theory of the printer. ADJUSTMENTS Includes a step-by -step guide for adjustment. DISASSEMBLY AND ASSEMBLY Includes a step-by -step guide for product disassembly and assembly. TROUBLESHOOTING Provides Epson-approved techniques...
.... CHAPTER 4. GENERAL DESCRIPTION Provides a general product overview, lists specifications, and illustrates the main components of printer operation. CHAPTER 3. CHAPTER 5. MAINTENANCE AND LUBRICATION Describes preventive maintenance techniques and lists Lubricants and adhesives required ...contents of DFX-5000+. OPERATING PRINCIPLES Describes the theory of the printer. ADJUSTMENTS Includes a step-by -step guide for adjustment. DISASSEMBLY AND ASSEMBLY Includes a step-by -step guide for product disassembly and assembly. TROUBLESHOOTING Provides Epson-approved techniques...
Service Manual
Page 79
Note: Refer to Chapter 4 for adjustment tools, Chapter 5 for troubleshooting tools, and Chapter 6 for tools for assembling disassembling or adjusting the printer. Tools Tool Name Type class Part No. Table 3-1. C 34 O: Commeraally available E: EPSON exclusive A: Mandatory B: Recommended f..... ' Rev. DFX-5000+ Service Manual Disassembly and Assembly 3.1.1 Tools This section describes the tools required for m&ntenance, lubrication, and...
Note: Refer to Chapter 4 for adjustment tools, Chapter 5 for troubleshooting tools, and Chapter 6 for tools for assembling disassembling or adjusting the printer. Tools Tool Name Type class Part No. Table 3-1. C 34 O: Commeraally available E: EPSON exclusive A: Mandatory B: Recommended f..... ' Rev. DFX-5000+ Service Manual Disassembly and Assembly 3.1.1 Tools This section describes the tools required for m&ntenance, lubrication, and...
Service Manual
Page 138
... sensor is broken. t2The PG motor is broken. A 5-1 Some component-level troubleshooting may require an oscilloscope. 5.1.1 Error Messages The DFX-5000+ indicates errors using beeps. Q The printer backs out paper, but the previous print job is shotied. Head driver circuit ...- Table 5-1. q q (5 sets of the Cl 17 power suppl~ board assembly is too low. DFX-5000+ Service Manual Troubleshooting 5.1 TROUBLESHOOTING INFORMATION The information in this printer; Head fan circuit short CIThe head fan driver IC is open. t3 The voltage of 4 beeps) I Paper...
... sensor is broken. t2The PG motor is broken. A 5-1 Some component-level troubleshooting may require an oscilloscope. 5.1.1 Error Messages The DFX-5000+ indicates errors using beeps. Q The printer backs out paper, but the previous print job is shotied. Head driver circuit ...- Table 5-1. q q (5 sets of the Cl 17 power suppl~ board assembly is too low. DFX-5000+ Service Manual Troubleshooting 5.1 TROUBLESHOOTING INFORMATION The information in this printer; Head fan circuit short CIThe head fan driver IC is open. t3 The voltage of 4 beeps) I Paper...
Service Manual
Page 140
...;C (77°F) I Plunger I 90hms*0.450hmsat25°c (77oF) I Printhead 8.1 ohms f 0.8 ohms at 25°C (77°F) I FPC1 I FPC1 I Q- C6 Common - (#1, #3, #5, #7, #8, #9) T Thermistor NC Not connection Figure 5-3. DFX-5000+ Service Manual Troubleshooting 5.1.3 Coil Resistance The following table provides the coil resistances for the motor, head fan, plunger, and pnnthead. NC T1 T 2 A c B # l c1 C2 #8 C3 C4 C5...
...;C (77°F) I Plunger I 90hms*0.450hmsat25°c (77oF) I Printhead 8.1 ohms f 0.8 ohms at 25°C (77°F) I FPC1 I FPC1 I Q- C6 Common - (#1, #3, #5, #7, #8, #9) T Thermistor NC Not connection Figure 5-3. DFX-5000+ Service Manual Troubleshooting 5.1.3 Coil Resistance The following table provides the coil resistances for the motor, head fan, plunger, and pnnthead. NC T1 T 2 A c B # l c1 C2 #8 C3 C4 C5...
Service Manual
Page 144
Carriage operation is normal, but the self-testis printed incorrectly. CN6 (Cl 17 MAiI board) 2. No 4 I Perform the bidirectional I + 17END NOTE 1: Check the followin connectors: 1. Four connectors on the connector junction board in the printer mechanism. Rev. Troubleshooting Are the connectors inserted securely? I 4 v Check printhead cable continuity. Replace any bad part. Visually check printhead pins. A s-7 START E Perform the self-test. Yes fault corrected? DFX-5000+ Service Manual 3.
Carriage operation is normal, but the self-testis printed incorrectly. CN6 (Cl 17 MAiI board) 2. No 4 I Perform the bidirectional I + 17END NOTE 1: Check the followin connectors: 1. Four connectors on the connector junction board in the printer mechanism. Rev. Troubleshooting Are the connectors inserted securely? I 4 v Check printhead cable continuity. Replace any bad part. Visually check printhead pins. A s-7 START E Perform the self-test. Yes fault corrected? DFX-5000+ Service Manual 3.
Service Manual
Page 146
A 5-9 eEND Rev. Go back to Section 5.5, Repair of the Printer Mechanism, and check for other problems. ® Perform bidirectional adjustment. DFX-5000+ Service Manual Troubleshooting 3. Camiage operation is normal, but the self-testis printed incorrectly (continued).
A 5-9 eEND Rev. Go back to Section 5.5, Repair of the Printer Mechanism, and check for other problems. ® Perform bidirectional adjustment. DFX-5000+ Service Manual Troubleshooting 3. Camiage operation is normal, but the self-testis printed incorrectly (continued).
Service Manual
Page 148
Yes v Yes No Replace the Cl 17 PN L board. Replace the Cl 17 MAIN board. Yes v Replace the Cl 17 PNL board. A 5-11 Rev. Control panel operation is abnormal. [ START ] Troubleshooting between the C 117 MAIN Yes I Reinsert connector CN8 correctly. 1 I Yes Replace the Cl 17 MAIN board. I 4 No v Using a m ultim eter, check the switches on the Cl 17 PNL board. DFX.5000+ Service Manual 5.
Yes v Yes No Replace the Cl 17 PN L board. Replace the Cl 17 MAIN board. Yes v Replace the Cl 17 PNL board. A 5-11 Rev. Control panel operation is abnormal. [ START ] Troubleshooting between the C 117 MAIN Yes I Reinsert connector CN8 correctly. 1 I Yes Replace the Cl 17 MAIN board. I 4 No v Using a m ultim eter, check the switches on the Cl 17 PNL board. DFX.5000+ Service Manual 5.
Service Manual
Page 150
DFX-5000+ Service Manual Troubleshooting 5.3 REPAIR OF THE POWER SUPPLY CIRCUIT This section provides detailed troubleshooting methods to isolate components in this column. The table below provides causes, checkpoints, and solutions for different power supply circuit problems. ... switching FET Table 5-5. The table provides the following four columns: D Symptom: Cl Cause: D Checkpoint: Ct Solution: Check this symptom. Repair the printer using the instructions in the power supply or on the main board and check the head driver voltage waveform. (Refer to Table 5-6.) Measure the voltage...
DFX-5000+ Service Manual Troubleshooting 5.3 REPAIR OF THE POWER SUPPLY CIRCUIT This section provides detailed troubleshooting methods to isolate components in this column. The table below provides causes, checkpoints, and solutions for different power supply circuit problems. ... switching FET Table 5-5. The table provides the following four columns: D Symptom: Cl Cause: D Checkpoint: Ct Solution: Check this symptom. Repair the printer using the instructions in the power supply or on the main board and check the head driver voltage waveform. (Refer to Table 5-6.) Measure the voltage...
Service Manual
Page 152
DFX-5000+ Service Manual Troubleshooting Table 5-5. C117 PSB/PSE Board Assembly Component Repair (continued) Rev. A 5-15
DFX-5000+ Service Manual Troubleshooting Table 5-5. C117 PSB/PSE Board Assembly Component Repair (continued) Rev. A 5-15
Service Manual
Page 154
...isolate components in the solution column. - Measure the voltage level of a component that may ignore this section. DFX-5000+ Service Manual Troubleshooting 5.4 REPAIR OF THE C117 MAIN BOARD ASSEMBLY This section provides detailed troubleshooting methods to the unit leveI only, and may be defective. This information is output to the head driver waveform... A 5-17 Check these values and rep, air the board as described in the C117 MAIN board. CI17 MAIN Board Assembly Component Repair Symptom The printer does not operate at CN1 or check the head driver IC'S voltage waveform.
...isolate components in the solution column. - Measure the voltage level of a component that may ignore this section. DFX-5000+ Service Manual Troubleshooting 5.4 REPAIR OF THE C117 MAIN BOARD ASSEMBLY This section provides detailed troubleshooting methods to the unit leveI only, and may be defective. This information is output to the head driver waveform... A 5-17 Check these values and rep, air the board as described in the C117 MAIN board. CI17 MAIN Board Assembly Component Repair Symptom The printer does not operate at CN1 or check the head driver IC'S voltage waveform.
Service Manual
Page 156
FET drive) is defective. 20V Measure the voltage level at pins 9 anc 11 of QM1, dw.1 5,W I LI r=741.e 1 SAv E Replace QM1 . A 5-19 DFX-5000+ Service Manual Troubleshooting Table 5-6. Solution Replace IC7. Q3 or Q6 (for the carriage motor phases at pins 9 and 11 of IC QM1 when the carriage is ~perating. (The ...
FET drive) is defective. 20V Measure the voltage level at pins 9 anc 11 of QM1, dw.1 5,W I LI r=741.e 1 SAv E Replace QM1 . A 5-19 DFX-5000+ Service Manual Troubleshooting Table 5-6. Solution Replace IC7. Q3 or Q6 (for the carriage motor phases at pins 9 and 11 of IC QM1 when the carriage is ~perating. (The ...
Service Manual
Page 158
DFX-5000+ Service Manual Troubleshooting Table 5-6. A S-21 C117 MAIN Board Assembly Component Repair (continued) Rev.
DFX-5000+ Service Manual Troubleshooting Table 5-6. A S-21 C117 MAIN Board Assembly Component Repair (continued) Rev.
Service Manual
Page 160
Cause IC7 is defective. DFX-5000+ Service Manual Troubleshooting Table 5-6. Checkpoint Observe the output signal at pins 129-137 of the CPU. l,92ms SAVE Replace the CPU. Solution Replace IC7. Observe the voltage waveform at pin 15 of IC7. The CPU is defective. Observe the PTS signal at the drain side. The head driver FETs are defective. F\ + ++++ 5V 1 Rev. BVI Uv Replace the abnormal FET. A S-23 LIVH j2QV AT. C117 MAIN Board Assembly Component Repair (continued) Symptom The self-test is printed incorrectly.
Cause IC7 is defective. DFX-5000+ Service Manual Troubleshooting Table 5-6. Checkpoint Observe the output signal at pins 129-137 of the CPU. l,92ms SAVE Replace the CPU. Solution Replace IC7. Observe the voltage waveform at pin 15 of IC7. The CPU is defective. Observe the PTS signal at the drain side. The head driver FETs are defective. F\ + ++++ 5V 1 Rev. BVI Uv Replace the abnormal FET. A S-23 LIVH j2QV AT. C117 MAIN Board Assembly Component Repair (continued) Symptom The self-test is printed incorrectly.
Service Manual
Page 162
... and if drivers are bad, replace main board at the right and left sides of a dot wire is defective. Replace the ribbon cartridge. Printer Mechanism Repair (continued) Symptom A particular dot does not print. The printhead is defective. Foreign objects are caught in the gears. The ... is incorrect. Check if the tip of the page (darker on one side than the other). The PF motor is worn. DFX-5000+ Service Manual Troubleshooting Table 5-7. Checkpoint Solution Measure the printhead coil resistance. (Refer to Figure 5-4 for the PF motor. (The correct resistance is ...
... and if drivers are bad, replace main board at the right and left sides of a dot wire is defective. Replace the ribbon cartridge. Printer Mechanism Repair (continued) Symptom A particular dot does not print. The printhead is defective. Foreign objects are caught in the gears. The ... is incorrect. Check if the tip of the page (darker on one side than the other). The PF motor is worn. DFX-5000+ Service Manual Troubleshooting Table 5-7. Checkpoint Solution Measure the printhead coil resistance. (Refer to Figure 5-4 for the PF motor. (The correct resistance is ...
Service Manual
Page 164
.... PerForm the tractor wire spring tension adjustment, as described in Section 4.1.3. A 5-27 Checkpoint Solution Check the PWsensor. Printer Mechanism Repair (continued) Symptom Printing occurs outside the paper width. The paper bail assembly does not work. Cause The PW sensor is defective. The tractor select sensor is defective. Rev. DFX-5000+ Service Manual Troubleshooting Table 5-7.
.... PerForm the tractor wire spring tension adjustment, as described in Section 4.1.3. A 5-27 Checkpoint Solution Check the PWsensor. Printer Mechanism Repair (continued) Symptom Printing occurs outside the paper width. The paper bail assembly does not work. Cause The PW sensor is defective. The tractor select sensor is defective. Rev. DFX-5000+ Service Manual Troubleshooting Table 5-7.