Epson LX-86TM Especificações Página 77
- Página / 142
- Índice
- MARCADORES
Avaliado. / 5. Com base em avaliações de clientes
REV.-A
D
4.1
4.2
4.3
a
CHAPTER 4
ISASSEMBLY, ASSEMBLY, AND
ADJUSTMENT
GENERAL REPAIR INFORMATION
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-1
DISASSEMBLY AND ASSEMBLY
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-3
4.2.1 Removal of Printhead
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-3
4.2.2 Removal of Cases
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.2.2.1 Upper Case Removal
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.2.2.2 Control Panel
(LCPNL
Board) Removal . . . . . . . . . . . . . . . . . . . . . 4-5
4.2.3 Removal of Electric Circuit Boards
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-5
4.2.3.1 ROCX Board Removal
“–
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-5
4.2.3.2 ROC Filter Unit Removal
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-6
4.2.4 Removal of Printer Mechansim
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-7
4.2.4.1 Removal of Platen Unit and Paper Guide . . . . . . . . . . . . . . . . 4-7
4.2.4.2 Removal of Printer Mechanism
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-8
4.2.5 Disassembly of Printer Mechanism
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-9
4.2.5.1
4.2.5.2
4.2.5.3
4.2.5.4
4.2.5.6
4.2.5.6
4.2.5.7
4.2.5.8
4.2.5.9
Paper Feed Mechanism Removal
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-9
Removal of Paper Feed Motor
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-12
Removal of Paper End Sensor
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-12
Disassembly of Platen Unit
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-13
Removal of Carriage Unit
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-13
Removal of Carriage Motor
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
416
Removal of Home Position Sensor
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
417
Disassembly of Ribbon Feed Mechanism . . . . . . . . . . . . . . . . 417
Disassembly of Tractor Unit
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
418
4.3.1 Platen Gap Adjustment
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
420
4-i
- 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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