Epson LX-86TM Especificações Página 32
- Página / 142
- Índice
- MARCADORES
Avaliado. / 5. Com base em avaliações de clientes
REV.-A
Fig. 2-24. Paper End Detection Area
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-28
Fig. 2-25. Phase Switching Basic Pattern
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-29
Fig. 2-26. Basic Operation Sequence ...................
mm.m.o.m..mm........
".".a".""""""..-
2-29
Fig. 2-27. Printing Start Position
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-30
Fig. 2-28. Paper Feed Motor Drive Circuit
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-31
Fig. 2-29.
Printhead Drive Pulse Pattern
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-32
Fig. 2-30.
Printhead Drive Pulse Width Range
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-33
Fig. 2-31.
+24V
DC Monitor
Circuit..................................................".."".
2-33
Fig. 2-32.
Printhead Drive Circuit
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-34
Fig. 2-33. Solenoid Current and Drive
Voltage Waveforms
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-34
Fig. 2-34. The Relationship Between the Carriage
and Control Signals
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-35
Fig. 2-35. Logic Seeking
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-36
Fig. 2-36. Printer Mechanism External View
(Model-3A10)
. . . . . . . . . . . . 2-37
Fig. 2-37. Carriage Mechanism
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-38
Fig. 2-38.
Printhead
Printing Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
.
2-39
Fig. 2-39. Friction Feed Operation
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-40
Fig. 2-40. Sprocket Feed Operation
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-41
Fig. 2-41. Ribbon Feed Mechanism
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-42
LIST OF TABLES
.
Table 2-1. Voltage Types and Applications
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-3
Table 2-2. Power Transformer Output Voltages
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-11
Table 2-3. CPU Port Assignments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
.
2-11
Table 24.
E05A03
Functions
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-16
Table 2-5.
E05A03
Port Assignments
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-17
Table 2-6. Ribbon Feed Gear Train
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
242
2-iii
- TECHNICAL MANUAL 1
- PRECAUTIONS 3
- REVISION SHEET 5
- TABLE OF CONTENTS 6
- CHAPTER 1 7
- GENERAL DESCRIPTION 7
- FEATURES 9
- 1.2 INTERFACE 11
- 1.3 SPECIFICATIONS 14
- 1.4 OPERATING CONTROLS 20
- Middle and 21
- 1.5 MAIN COMPONENTS 26
- CHAPTER 2 30
- OPERATING PRINCIPLES 30
- 2.1 GENERAL 33
- MODEL-3A1O PRINTER MECHANISM 34
- (MAIN BOARD) 34
- 2.3 POWER SUPPLY CIRCUIT 35
- 2.3.2 Regulator Circuit 37
- 2.4 CONTROL CIRCUIT 41
- (ControIl 46
- 1. Address latch 47
- -“’’’’’’’’’’’’’;’’’”:l 51
- *m(cN2pin’3) 54
- 2.4.6 Paper Feed Motor 59
- ~---vuvu 61
- 61
- EPSON LX-800 62
- 2.4.8 Print Timing Control 66
- 4,,1<,1 68
- 2.5.1 Sensor Mechanism 69
- Carriage Guide Shaft 70
- Paper Feed Motor 72
- Breaking 74
- CHAPTER 3 75
- OPTIONAL EQUIPMENT 75
- 3.1 GENERAL 76
- 3.2 OPTIONAL INTERFACES 76
- CHAPTER 4 77
- ISASSEMBLY, ASSEMBLY, AND 77
- ADJUSTMENT 77
- 4.2 DISASSEMBLY AND ASSEMBLY 82
- 4.2.2 Removal of Cases 83
- Flat Spring 92
- , Platen 92
- Platen Gear 92
- Carriaga Guide 93
- Shaft Ground 93
- Sprocket Shaft 98
- Guide Roller’ 98
- Sprocket Wheel 98
- 4.3 ADJUSTMENT 99
- ,’v?,?la 100
- CHAPTER 5 101
- TROUBLESHOOTING 101
- LIST OF FIGURES 101
- LIST OF TABLES 101
- ‘ARN’NG~ 102
- I printer mechanism 104
- Set the gap-adjustment lever 107
- Printhead 111
- 5.3 UNIT REPAIR 112
- ● The l/F cable is 113
- Solution 113
- 5.3.2 Printer Mechanism 115
- ● Replace the 116
- ● Resistance value: 117
- ● Sheet load 118
- ● Remove any 118
- CHAPTER 6 120
- MAINTENANCE 120
- 6.1 PREVENTIVE MAINTENANCE 121
- Adhesive Application Point 122
- No. of Point 122
- APPENDIX 124
- A.1 PRINCIPAL 126
- SPECIFICATIONS 126
- Fig. A-2. wPD7810/7811 Block 128
- E05A03BA 132
- (E05A03CA) 132
- Gate Array 132
- Memory Ce I 134
- A.1.4 494 Regulator IC 135
- A.1.5 7407 137
- Fig. A-1 2. 7407 Pin Diagram 137
- A.2 SCHEMATICS AND DIAGRAMS 138
- Fig, A-15 139
- Board Component Layout 139
- in Japan 142
- 87.07 -.6 142
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